AD7703CNZ A/D converter: Pinout, Specification, and Datasheet
20 Bit 2.54mm ADC AD7703 5V 20-DIP (0.300, 7.62mm)
Unit Price: $98.247700
Ext Price: $98.25









20 Bit 2.54mm ADC AD7703 5V 20-DIP (0.300, 7.62mm)
The AD7703CNZ is a 20-bit A/D converter with on-chip digital filtering, intended for the measurement of a wide dynamic range, low-frequency signals such as those representing chemical, physical, or biological processes.
AD7703CNZ Pinout


AD7703CNZ CAD Model
Symbol

Footprint

3D Model

AD7703CNZ Description
The AD7703CNZ is a 20-bit ADC that uses an S-D conversion technique. The analog input is continuously sampled by an analog modulator whose mean output duty cycle is proportional to the input signal. The modulator output is processed by an on-chip digital filter with a six-pole Gaussian response, which updates the output data register with 16-bit binary words at word rates up to 4 kHz. The sampling rate, filter corner frequency, and output word rate are set by a master clock input that may be supplied externally, or by a crystal-controlled on-chip clock oscillator.
The inherent linearity of the ADC is excellent and endpoint accuracy is ensured by self-calibration of zero and full scale, which may be initiated at any time. The self-calibration scheme can also be extended to null system offset and gain errors in the input channel.
The output data is accessed through a flexible serial port, which has an asynchronous mode compatible with UARTs and two synchronous modes suitable for interfacing to shift registers or the serial ports of industry-standard microcontrollers.
CMOS construction ensures low power dissipation, and a power-down mode reduces the idle power consumption to only 10 µW.
AD7703CNZ Features
Monolithic 16-Bit ADC
0.0015% linearity error
On-Chip self-calibration circuitry
Programmable low-pass filter
0.1Hz to 10Hz corner frequency
0V to +2.5V or ±2.5V analog input range
4kSPS output data rate
Flexible serial interface
Ultralow power
AD7703CNZ Advantages
The AD7703 offers a 20-bit resolution coupled with outstanding 0.0003% accuracy.
No missing codes ensure true, usable, 20-bit dynamic range, removing the need for programmable gain and level-setting circuitry.
The effects of temperature drift are eliminated by on-chip self-calibration, which removes zero and gain error. External circuits can also be included in the calibration loop to remove system offsets and gain errors.
A flexible synchronous/asynchronous interface allows the AD7703 to interface directly to the serial ports of industry-standard microcontrollers and DSP processors.
Low operating power consumption and an ultralow-power standby mode make the AD7703 ideal for loop-powered remote sensing applications or battery-powered portable instruments.
AD7703CNZ Applications
Industrial process control
Weigh scales
Portable instrumentation
Remote data acquisition
Specifications
- TypeParameter
- Lifecycle Status
Lifecycle Status refers to the current stage of an electronic component in its product life cycle, indicating whether it is active, obsolete, or transitioning between these states. An active status means the component is in production and available for purchase. An obsolete status indicates that the component is no longer being manufactured or supported, and manufacturers typically provide a limited time frame for support. Understanding the lifecycle status is crucial for design engineers to ensure continuity and reliability in their projects.
PRODUCTION (Last Updated: 1 week ago) - Factory Lead Time8 Weeks
- Mount
In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.
Through Hole - Mounting Type
The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.
Through Hole - Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
20-DIP (0.300, 7.62mm) - Operating Temperature
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
-40°C~85°C - Packaging
Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.
Tube - JESD-609 Code
The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.
e3 - Pbfree Code
The "Pbfree Code" parameter in electronic components refers to the code or marking used to indicate that the component is lead-free. Lead (Pb) is a toxic substance that has been widely used in electronic components for many years, but due to environmental concerns, there has been a shift towards lead-free alternatives. The Pbfree Code helps manufacturers and users easily identify components that do not contain lead, ensuring compliance with regulations and promoting environmentally friendly practices. It is important to pay attention to the Pbfree Code when selecting electronic components to ensure they meet the necessary requirements for lead-free applications.
no - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Active - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
1 (Unlimited) - Number of Terminations20
- ECCN Code
An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.
EAR99 - Terminal Finish
Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.
Matte Tin (Sn) - Max Power Dissipation
The maximum power that the MOSFET can dissipate continuously under the specified thermal conditions.
37mW - Terminal Position
In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.
DUAL - Peak Reflow Temperature (Cel)
Peak Reflow Temperature (Cel) is a parameter that specifies the maximum temperature at which an electronic component can be exposed during the reflow soldering process. Reflow soldering is a common method used to attach electronic components to a circuit board. The Peak Reflow Temperature is crucial because it ensures that the component is not damaged or degraded during the soldering process. Exceeding the specified Peak Reflow Temperature can lead to issues such as component failure, reduced performance, or even permanent damage to the component. It is important for manufacturers and assemblers to adhere to the recommended Peak Reflow Temperature to ensure the reliability and functionality of the electronic components.
NOT APPLICABLE - Number of Functions1
- Supply Voltage
Supply voltage refers to the electrical potential difference provided to an electronic component or circuit. It is crucial for the proper operation of devices, as it powers their functions and determines performance characteristics. The supply voltage must be within specified limits to ensure reliability and prevent damage to components. Different electronic devices have specific supply voltage requirements, which can vary widely depending on their design and intended application.
5V - Terminal Pitch
The center distance from one pole to the next.
2.54mm - Time@Peak Reflow Temperature-Max (s)
Time@Peak Reflow Temperature-Max (s) refers to the maximum duration that an electronic component can be exposed to the peak reflow temperature during the soldering process, which is crucial for ensuring reliable solder joint formation without damaging the component.
NOT APPLICABLE - Base Part Number
The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.
AD7703 - Pin Count
a count of all of the component leads (or pins)
20 - Qualification Status
An indicator of formal certification of qualifications.
Not Qualified - Polarity
In electronic components, polarity refers to the orientation or direction in which the component must be connected in a circuit to function properly. Components such as diodes, capacitors, and LEDs have polarity markings to indicate which terminal should be connected to the positive or negative side of the circuit. Connecting a component with incorrect polarity can lead to malfunction or damage. It is important to pay attention to polarity markings and follow the manufacturer's instructions to ensure proper operation of electronic components.
Bipolar, Unipolar - Configuration
The parameter "Configuration" in electronic components refers to the specific arrangement or setup of the components within a circuit or system. It encompasses how individual elements are interconnected and their physical layout. Configuration can affect the functionality, performance, and efficiency of the electronic system, and may influence factors such as signal flow, impedance, and power distribution. Understanding the configuration is essential for design, troubleshooting, and optimizing electronic devices.
S/H-ADC - Number of Channels1
- Max Supply Voltage
In general, the absolute maximum common-mode voltage is VEE-0.3V and VCC+0.3V, but for products without a protection element at the VCC side, voltages up to the absolute maximum rated supply voltage (i.e. VEE+36V) can be supplied, regardless of supply voltage.
5.5V - Min Supply Voltage
The minimum supply voltage (V min ) is explored for sequential logic circuits by statistically simulating the impact of within-die process variations and gate-dielectric soft breakdown on data retention and hold time.
4.5V - Power Dissipation
the process by which an electronic or electrical device produces heat (energy loss or waste) as an undesirable derivative of its primary action.
37mW - Number of Bits20
- Input Type
Input type in electronic components refers to the classification of the signal or data that a component can accept for processing or conversion. It indicates whether the input is analog, digital, or a specific format such as TTL or CMOS. Understanding input type is crucial for ensuring compatibility between different electronic devices and circuits, as it determines how signals are interpreted and interacted with.
Single Ended - Min Input Voltage
The parameter "Min Input Voltage" in electronic components refers to the minimum voltage level that must be applied to the component for it to operate within its specified parameters. This value is crucial as providing a voltage below this minimum threshold may result in the component malfunctioning or not functioning at all. It is important to adhere to the specified minimum input voltage to ensure the proper operation and longevity of the electronic component. Failure to meet this requirement may lead to potential damage to the component or the overall system in which it is used.
2.5V - Architecture
In electronic components, the parameter "Architecture" refers to the overall design and structure of the component. It encompasses the arrangement of internal components, the layout of circuitry, and the physical form of the component. The architecture of an electronic component plays a crucial role in determining its functionality, performance, and compatibility with other components in a system. Different architectures can result in variations in power consumption, speed, size, and other key characteristics of the component. Designers often consider the architecture of electronic components carefully to ensure optimal performance and integration within a larger system.
Sigma-Delta - Max Input Voltage
Max Input Voltage refers to the maximum voltage level that an electronic component can safely handle without getting damaged. This parameter is crucial for ensuring the proper functioning and longevity of the component. Exceeding the specified maximum input voltage can lead to overheating, electrical breakdown, or permanent damage to the component. It is important to carefully adhere to the manufacturer's guidelines regarding the maximum input voltage to prevent any potential issues and maintain the reliability of the electronic device.
2.5V - Converter Type
The parameter "Converter Type" in electronic components refers to the classification of devices that convert one form of energy or signal to another. This includes devices such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and various types of signal converters used in communication, power management, and measurement systems. Each converter type is designed to facilitate the manipulation or transformation of signals to meet specific application requirements. The choice of converter type typically depends on factors such as the signal characteristics, required accuracy, and conversion speed.
ADC, DELTA-SIGMA - Reference Type
a code object that is not stored directly where it is created, but that acts as a kind of pointer to a value stored elsewhere.
External - Data Interface
A Data Interface in EDQ is a template of a set of attributes representing a given entity, used to create processes that read from, or write to, interfaces rather than directly from or to sources or targets of data.
SPI - Resolution
Resolution in electronic components refers to the smallest increment of measurement or change that can be detected or represented by the component. It is a crucial specification in devices such as sensors, displays, and converters, as it determines the level of detail or accuracy that can be achieved. For example, in a digital camera, resolution refers to the number of pixels that make up an image, with higher resolution indicating a greater level of detail. In analog-to-digital converters, resolution is the number of discrete values that can be represented in the digital output, determining the precision of the conversion process. Overall, resolution plays a significant role in determining the performance and capabilities of electronic components in various applications.
2.5 B - Sampling Rate
often described in the context of signal processing as the number of samples per time.
16 ksps - Number of Analog In Channels1
- Sampling Rate (Per Second)
The sampling rate (per second) in electronic components refers to the frequency at which an analog signal is measured or sampled to convert it into a digital signal. It is typically expressed in Hertz (Hz) and indicates how many times per second the analog signal is sampled. A higher sampling rate allows for better representation of the original signal, capturing more detail and reducing distortion during the conversion process. In audio applications, for example, common sampling rates include 44.1 kHz for CD-quality audio and 48 kHz for video production.
4k - Max Dual Supply Voltage
A Dual power supply is a regular direct current power supply. It can provide a positive as well as negative voltage. It ensures stable power supply to the device as well as it helps to prevent system damage.
5.5V - Output Bit Code
Output Bit Code refers to the digital representation of the output signal of an electronic component, typically in binary form. It indicates the specific combination of bits that represent the output value of the component. The output bit code is crucial for interpreting and processing the output data accurately in digital systems. By understanding the output bit code, engineers can design appropriate circuits and algorithms to manipulate and utilize the output information effectively.
BINARY, OFFSET BINARY - Power Consumption
Power consumption is the amount of input energy (measured in watts) required for an electrical appliance to function. This is opposed to power output which is a measure of the level of performance, of a heat pump for example.
25mW - Min Dual Supply Voltage
The parameter "Min Dual Supply Voltage" in electronic components refers to the minimum voltage required for the proper operation of a device that uses dual power supplies. Dual power supplies typically consist of a positive and a negative voltage source. The "Min Dual Supply Voltage" specification ensures that both the positive and negative supply voltages are within a certain range to guarantee the device functions correctly. It is important to adhere to this parameter to prevent damage to the component and ensure reliable performance.
4.5V - Sample and Hold / Track and Hold
"Sample and Hold" and "Track and Hold" are two related functions commonly found in electronic components such as analog-to-digital converters (ADCs) and signal processing circuits. In a Sample and Hold circuit, the input signal is sampled at specific intervals and held constant until the next sampling period. This allows the circuit to capture and store the input signal's value for further processing or conversion.On the other hand, a Track and Hold circuit continuously tracks the input signal's value and holds it steady when required, typically during the conversion process. This ensures that the input signal remains constant and accurate during the conversion process.Both functions are essential in maintaining the integrity and accuracy of analog signals in digital systems, allowing for precise measurements and processing of signals in various electronic applications.
SAMPLE - Dual Supply Voltage
Dual Supply Voltage refers to an electronic component's requirement for two separate power supply voltages, typically one positive and one negative. This configuration is commonly used in operational amplifiers, analog circuits, and certain digital devices to allow for greater signal handling capabilities and improved performance. The use of dual supply voltages enables the device to process bipolar signals, thereby enhancing its functionality in various applications.
5V - Input Capacitance
The capacitance between the input terminals of an op amp with either input grounded. It is expressed in units of farads.
20pF - Ratio - S/H:ADC
The parameter "Ratio - S/H:ADC" in electronic components refers to the ratio between the sample and hold (S/H) circuit and the analog-to-digital converter (ADC) in a system. The sample and hold circuit is responsible for capturing and holding the input signal at a specific moment in time, while the ADC converts this analog signal into a digital format for processing. The ratio between the S/H and ADC components is important as it determines the accuracy and speed of the analog-to-digital conversion process. A higher ratio typically indicates a more precise and efficient conversion process, leading to better overall performance of the electronic system. Engineers often consider this parameter when designing and optimizing electronic circuits to ensure reliable and high-quality signal processing.
1:1 - Output Format
Output formats are used to determine which data is exported and how data is displayed in many areas of OLIB.
SERIAL - Negative Supply Voltage-Nom
The parameter "Negative Supply Voltage-Nom" in electronic components refers to the nominal voltage level that can be safely applied as the negative supply voltage to the component. This parameter is important for ensuring the proper functioning and reliability of the component within its specified operating conditions. It indicates the voltage level that the component is designed to operate with when a negative voltage supply is required. It is crucial to adhere to this specified voltage range to prevent damage to the component and maintain its performance characteristics.
-5V - Differential Nonlinearity
Differential Nonlinearity (DNL) is a parameter used to measure the deviation of the actual step size between two adjacent digital output codes in an analog-to-digital converter (ADC) or digital-to-analog converter (DAC) from the ideal step size. It quantifies the accuracy of the converter in maintaining consistent step sizes across the entire range of digital codes. DNL is typically expressed in terms of least significant bits (LSBs) and is an important factor in determining the overall performance and linearity of the converter. A lower DNL value indicates better linearity and accuracy in the conversion process, while a higher DNL value suggests potential errors and nonlinearity in the output signal.
0.5 LSB - Height4.57mm
- Length7.11mm
- Width5mm
- REACH SVHC
The parameter "REACH SVHC" in electronic components refers to the compliance with the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation regarding Substances of Very High Concern (SVHC). SVHCs are substances that may have serious effects on human health or the environment, and their use is regulated under REACH to ensure their safe handling and minimize their impact.Manufacturers of electronic components need to declare if their products contain any SVHCs above a certain threshold concentration and provide information on the safe use of these substances. This information allows customers to make informed decisions about the potential risks associated with using the components and take appropriate measures to mitigate any hazards.Ensuring compliance with REACH SVHC requirements is essential for electronics manufacturers to meet regulatory standards, protect human health and the environment, and maintain transparency in their supply chain. It also demonstrates a commitment to sustainability and responsible manufacturing practices in the electronics industry.
No SVHC - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
ROHS3 Compliant - Lead Free
Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.
Contains Lead
AD7703CNZ Functional Block Diagram

AD7703CNZ Outline Dimension


![]()
Trend Analysis
Datasheet PDF
- Datasheets :
- PCN Assembly/Origin :
- ConflictMineralStatement :
LM7809 Voltage Regulator IC: Equivalent, Pinout and Datasheet14 September 202114265
How STMicroelectronics BCP53-16 Became a PNP Favorite19 August 2025183
1N4001 vs 1N4007: What’s the Differences?14 July 202221013
A Comprehensive Guide to the PICASO Microcontroller by 4D Systems07 March 2024461
OP249 Dual Op-Amp: Pinout, Applications and Datasheet10 December 20211720
CD4060 Binary Counter: Datasheet, Pinout, Circuit01 November 20219042
STM32L431RCT6 Microcontroller: Features, Applications and Datasheet13 November 20232452
The Simplified Introduction to LMG1210 MOSFET & GaN FET Driver29 April 20224029
How 10k Resistor Color Code Stacks Up Against 220 and 100k03 September 20252186
How to Use an External Hard Drive?24 June 20218909
What is Cat 7 Cable?04 January 20227241
A brief Analysis of the 555 Timer Circuit and its Project Applications15 March 20242977
Revolutionizing the Electric Vehicle Industry with Silicon Carbide10 August 20231858
What is fluorescent lamp?19 October 20213832
A User Guide to Automotive Relay30 July 20216816
Manifold Absolute Pressure (MAP) Sensor: Working Principles, Structure, and Types31 March 202545537
Analog Devices Inc.
In Stock: 683
Minimum: 1 Multiples: 1
Qty
Unit Price
Ext Price
1
$98.247700
$98.25
10
$92.686509
$926.87
100
$87.440103
$8,744.01
500
$82.490663
$41,245.33
1000
$77.821381
$77,821.38
Not the price you want? Send RFQ Now and we'll contact you ASAP.
Inquire for More Quantity










