ADC0809CCN ADC: Feature, Specification, Datasheet
8 Bit 2.54mm Lead, Tin ADC ADC0809 28-DIP (0.600, 15.24mm)
The ADC0809 data acquisition component is a monolithic device with an 8-bit analog-to-digital converter, 8-channel multiplexer, and microprocessor-compatible control logic.

ADC0809 Interfacing With 8051
ADC0809CCN CAD model
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ADC0809CCN description
The 8-bit A/D converter uses successive approximation as the conversion technique. The converter features a high impedance chopper stabilized comparator, a 256R voltage divider with an analog switch tree, and a successive approximation register. The 8-channel multiplexer can directly access any of the 8-single-ended analog signals.
The device eliminates the need for external zero to full-scale adjustments. Easy interfacing to microprocessors is provided by the latched and decoded multiplexer address inputs and latched TTL TRI-STATE output.
The design of the ADC0809CCN has been optimized by incorporating the most desirable aspects of several A/D conversion techniques. The ADC0809 offers high speed, high accuracy, minimal temperature dependence, excellent long-term accuracy and repeatability, and consumes minimal power. These features make this device ideally suited to applications from the process and machine control to consumer and automotive applications. For a 16-channel multiplexer with common output (sample/hold port) see ADC0816 datasheet.
ADC0809CCN features
Easy Interface to All Microprocessors
Operates Ratiometrically or with 5 VDC or Analog Span Adjusted Voltage Reference
No Zero or Full-Scale Adjust Required
8-Channel Multiplexer with Address Logic
0V to VCC Input Range
Outputs meet TTL Voltage Level Specifications
ADC0808 Equivalent to MM74C949
ADC0809 Equivalent to MM74C949-1
ADC0809CCN advantages
High speed
High accuracy
Minimal temperature dependence
Excellent long-term accuracy and repeatability
Minimal power consumption
Specifications
- TypeParameter
- Contact Plating
Contact plating (finish) provides corrosion protection for base metals and optimizes the mechanical and electrical properties of the contact interfaces.
Lead, Tin - 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.
28-DIP (0.600, 15.24mm) - Number of Pins28
- Power Dissipation (Max)875mW
- Current - Supply (Nom)300μA
- Number of Elements1
- 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.
e0 - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Obsolete - 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 Terminations28
- 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.
Tin/Lead (Sn/Pb) - Voltage - Supply
Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.
5V - 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 - Number of Functions1
- Terminal Pitch
The center distance from one pole to the next.
2.54mm - 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.
ADC0809 - 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.
Unipolar - Power Supplies
an electronic circuit that converts the voltage of an alternating current (AC) into a direct current (DC) voltage.?
5V - 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.
MUX-S/H-ADC - Number of Channels8
- 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.
15mW - Number of Bits8
- 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 - 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.
SAR - 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, SUCCESSIVE APPROXIMATION - Supply Type
Supply Type in electronic components refers to the classification of power sources used to operate the component. It indicates whether the component requires DC or AC power, and if DC, specifies the voltage levels such as low, medium, or high. Different supply types can affect the performance, compatibility, and application of the component in electronic circuits. Understanding the supply type is crucial for proper component selection and integration into electronic designs.
Single - 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.
Parallel - 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.
1 B - Sampling Rate
often described in the context of signal processing as the number of samples per time.
10 ksps - Voltage - Supply, Analog
Voltage - Supply, Analog is a parameter in electronic components that specifies the range of voltage levels required to power the analog circuitry within the component. This parameter indicates the minimum and maximum voltage levels that the component can accept for proper operation of its analog functions. It is crucial to ensure that the voltage supplied to the component falls within this specified range to prevent damage and ensure optimal performance. Understanding and adhering to the "Voltage - Supply, Analog" parameter is essential for the proper functioning of analog circuits in electronic components.
4.5V~6.5V - Voltage - Supply, Digital
Voltage - Supply, Digital is a parameter that specifies the voltage level required to power the digital circuitry within an electronic component, such as an integrated circuit or a microcontroller. This parameter is crucial for ensuring proper operation of the digital components, as supplying the correct voltage level is essential for reliable performance. The specified voltage range typically includes both minimum and maximum values within which the component can operate safely and efficiently. It is important to adhere to the recommended voltage supply range to prevent damage to the component and to maintain the integrity of the digital signals being processed.
4.5V~6.5V - Number of Analog In Channels8
- 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.
10k - 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 - 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.
1.5mW - 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 - Number of A/D Converters1
- Conversion Rate
the number of conversions divided by the total number of visitors.
10 ksps - 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 - Voltage - Supply (Max)
Voltage - Supply (Max) is a parameter in electronic components that specifies the maximum voltage that can be safely applied to the component for proper operation. This parameter is crucial for ensuring the component's longevity and preventing damage due to overvoltage conditions. Exceeding the maximum supply voltage can lead to component failure, reduced performance, or even permanent damage. Designers must carefully consider this parameter when selecting components and designing circuits to ensure reliable and safe operation within the specified voltage limits.
6V - Voltage - Supply (Min)
Voltage - Supply (Min) is a parameter in electronic components that specifies the minimum voltage required for the component to operate within its specified performance range. This parameter indicates the lowest voltage level that can be safely applied to the component without causing malfunctions or damage. It is crucial to ensure that the supply voltage provided to the component is equal to or higher than the specified minimum voltage to guarantee proper functionality and reliability. Failure to meet this requirement may result in erratic behavior, reduced performance, or even permanent damage to the component.
4.5V - Height3.81mm
- Length36.83mm
- Width13.72mm
- 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 - Radiation Hardening
Radiation hardening is the process of making electronic components and circuits resistant to damage or malfunction caused by high levels of ionizing radiation, especially for environments in outer space (especially beyond the low Earth orbit), around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.
No - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
Non-RoHS 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
ADC0809CCN block diagram

ADC0809CCN connection diagram

ADC0809CCN typical application

ADC0809CCN manufacturer
As a global semiconductor company operating in 35 countries, Texas Instruments (TI) is first and foremost a reflection of its people. From the TIer who unveiled the first working integrated circuit in 1958 to the more than 30,000 TIers around the world today who design, manufacture, and sell analog and embedded processing chips, we are problem-solvers collaborating to change the world through technology.
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Datasheet PDF
- Datasheets :
ADC0809CCN-Texas-Instruments-datasheet-27708862.pdf
ADC0809CCN-Texas-Instruments-datasheet-11773517.pdf
ADC0809CCN-National-Semiconductor-datasheet-8399590.pdf
ADC0809CCN-National-Semiconductor-datasheet-14099147.pdf
ADC0809CCN-National-Semiconductor-datasheet-619.pdf
ADC0809CCN-National-Semiconductor-datasheet-7275747.pdf
pid_7728114_adc0809ccn-texas-instruments-datasheet-27708862.pdf
- PCN Obsolescence/ EOL :
1.What is the internal structure of ADC0809?
ADC0809 is a CMOS monolithic successive approximation A / D converter, the internal structure shown in Figure 13.22, which consists of 8 analog switches, address latch and decoder, comparator, 8-bit switch tree A / D converter Device, successive approximation register, logic control and timing circuit.
2.What are the limitations of the adc0808 / 0809?
The ADC0808/0809 was designed for simple interface with analog inputs, especially transducers. There are a couple of limitations that follow: The source resistance must be below 10kohms for operation below 640kHz and below 5kohms for operation around 1.2MHhz. The source must remain stable while it is being sampled and should contain little noise.
3.What is ADC0809 data acquisition?
The ADC0808, ADC0809 data acquisition component is a monolithic CMOS device with an 8-bit analog-to-digital con- verter, 8-channel multiplexer and microprocessor compatible control logic. The 8-bit A/D converter uses successive ap- proximation as the conversion technique.
4.What is the acd0809 approximation technique?
In the ADC0808, ADC0809, the approximation technique is ex- tended to 8 bits using the 256R network. The A/D converter’s successive approximation register (SAR) is reset on the positive edge of the start conversion (SC) pulse.
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