AD625: High-Performance Instrumentation Amplifier for Precise Signal Conditioning
50nA 70 dB Instrumentational OP Amps ±18V AD625 20 Pins 20-CLCC
The AD625 is a high-performance instrumentation amplifier designed by Analog Devices Inc. It offers precise signal conditioning and amplification for a wide range of applications. With its excellent features and versatile design, the AD625 is a reliable choice for engineers requiring accurate and reliable signal processing.
Product Introduction
The AD625 is a versatile instrumentation amplifier that provides high-precision signal conditioning. It is designed to accurately amplify small differential input signals while rejecting common-mode noise. The amplifier operates over a wide temperature range of -55°C to 125°C, making it suitable for various environments.
2. Features:
- High common-mode rejection ratio (CMRR) of 70 dB ensures accurate signal amplification even in the presence of common-mode noise.
- Low input offset voltage of 50μV minimizes errors in signal conditioning.
- Wide gain range from 1 to 10 allows for flexible signal amplification.
- High gain bandwidth product of 25 MHz enables the amplifier to handle high-frequency signals.
- Low power consumption of 5mA makes it suitable for battery-powered applications.
- Surface-mount package with 20 pins provides easy integration into PCB designs.
3. Applications:
The AD625 finds applications in various fields where precise signal conditioning and amplification are required. Some primary applications include:
- Medical Equipment: The AD625 is ideal for medical devices such as ECG (electrocardiogram) machines, patient monitoring systems, and bioimpedance measurement equipment. Its high accuracy and low noise characteristics make it suitable for amplifying weak biological signals.
- Industrial Automation: In industrial automation, the AD625 can be used for sensor signal conditioning, strain gauge amplification, and bridge measurements. Its high CMRR and low input offset voltage ensure accurate measurement and control of industrial processes.
- Test and Measurement: The amplifier is well-suited for test and measurement equipment, including data acquisition systems, oscilloscopes, and signal generators. Its wide gain range and high gain bandwidth product enable accurate signal amplification and analysis.
Secondary applications of the AD625 include audio amplification, precision instrumentation, and communication systems. The amplifier can be used in combination with specific modules such as filters, ADCs (analog-to-digital converters), and DACs (digital-to-analog converters) to create comprehensive signal processing solutions.
4. Reference Designs:
Analog Devices Inc. provides several reference designs that utilize the AD625 amplifier. These reference designs serve as a starting point for engineers looking to implement the amplifier in their applications. Some notable reference designs include:
- Precision Signal Conditioning for Data Acquisition: This reference design showcases the AD625's capabilities in accurately conditioning and amplifying small signals for data acquisition systems.
- ECG Signal Conditioning: This reference design demonstrates the use of the AD625 in amplifying ECG signals with high accuracy and low noise.
- Strain Gauge Amplification: This design highlights the AD625's suitability for strain gauge amplification in industrial applications.
5. Alternative Parts:
In case the AD625 is not available or does not meet specific requirements, engineers can consider alternative parts from other manufacturers. Some alternative parts that offer similar functionality include:
- Texas Instruments INA128: This instrumentation amplifier offers high accuracy and low noise performance for precise signal conditioning.
- Maxim Integrated MAX4209: The MAX4209 is a low-power instrumentation amplifier with low input offset voltage and high CMRR.
- Linear Technology LT1167: The LT1167 is a high-performance instrumentation amplifier with low noise and high gain accuracy.
6. FAQs:
Q: Can the AD625 operate in harsh environments?
A: Yes, the AD625 is designed to operate over a wide temperature range of -55°C to 125°C, making it suitable for harsh environments.
Q: What is the maximum supply voltage for the AD625?
A: The AD625 can handle a supply voltage of up to ±18V.
Q: Is the AD625 RoHS compliant?
A: No, the AD625 is not RoHS compliant and contains lead.
Q: What is the maximum gain of the AD625?
A: The AD625 has a maximum gain of 10.
Q: Can the AD625 be used in battery-powered applications?
A: Yes, the AD625 has a low power consumption of 5mA, making it suitable for battery-powered applications.
In conclusion, the AD625 is a high-performance instrumentation amplifier that offers precise signal conditioning and amplification for a wide range of applications. Its excellent features, versatile design, and compatibility with various modules make it a reliable choice for engineers requiring accurate and reliable signal processing.
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: 2 weeks ago) - Factory Lead Time12 Weeks
- Contact Plating
Contact plating (finish) provides corrosion protection for base metals and optimizes the mechanical and electrical properties of the contact interfaces.
Gold - 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.
Surface Mount - 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.
Surface Mount - Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
20-CLCC - Number of Pins20
- Number of Elements5
- Usage LevelMilitary grade
- 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.
-55°C~125°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 - 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
2 (1 Year) - 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 - Resistance
Resistance is a fundamental property of electronic components that measures their opposition to the flow of electric current. It is denoted by the symbol "R" and is measured in ohms (Ω). Resistance is caused by the collisions of electrons with atoms in a material, which generates heat and reduces the flow of current. Components with higher resistance will impede the flow of current more than those with lower resistance. Resistance plays a crucial role in determining the behavior and functionality of electronic circuits, such as limiting current flow, voltage division, and controlling power dissipation.
1GOhm - 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) - Max Power Dissipation
The maximum power that the MOSFET can dissipate continuously under the specified thermal conditions.
450mW - 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.
QUAD - Terminal Form
Occurring at or forming the end of a series, succession, or the like; closing; concluding.
NO LEAD - 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.
15V - Reach Compliance Code
Reach Compliance Code refers to a designation indicating that electronic components meet the requirements set by the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation in the European Union. It signifies that the manufacturer has assessed and managed the chemical substances within the components to ensure safety and environmental protection. This code is vital for compliance with regulations aimed at minimizing risks associated with hazardous substances in electronic products.
not_compliant - 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.
AD625 - Pin Count
a count of all of the component leads (or pins)
20 - Qualification Status
An indicator of formal certification of qualifications.
Not Qualified - Number of Circuits1
- 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.
450mW - Current - Supply
Current - Supply is a parameter in electronic components that refers to the maximum amount of electrical current that the component can provide to the circuit it is connected to. It is typically measured in units of amperes (A) and is crucial for determining the power handling capability of the component. Understanding the current supply rating is important for ensuring that the component can safely deliver the required current without overheating or failing. It is essential to consider this parameter when designing circuits to prevent damage to the component and ensure proper functionality of the overall system.
5mA - Slew Rate
the maximum rate of output voltage change per unit time.
5V/μs - Amplifier Type
Amplifier Type refers to the classification or categorization of amplifiers based on their design, functionality, and characteristics. Amplifiers are electronic devices that increase the amplitude of a signal, such as voltage or current. The type of amplifier determines its specific application, performance capabilities, and operating characteristics. Common types of amplifiers include operational amplifiers (op-amps), power amplifiers, audio amplifiers, and radio frequency (RF) amplifiers. Understanding the amplifier type is crucial for selecting the right component for a particular circuit or system design.
Instrumentation - Common Mode Rejection Ratio
Common Mode Rejection Ratio (CMRR) is a measure of the ability of a differential amplifier to reject input signals that are common to both input terminals. It is defined as the ratio of the differential gain to the common mode gain. A high CMRR indicates that the amplifier can effectively eliminate noise and interference that affects both inputs simultaneously, enhancing the fidelity of the amplified signal. CMRR is typically expressed in decibels (dB), with higher values representing better performance in rejecting common mode signals.
70 dB - Current - Input Bias
The parameter "Current - Input Bias" in electronic components refers to the amount of current required at the input terminal of a device to maintain proper operation. It is a crucial specification as it determines the minimum input current needed for the component to function correctly. Input bias current can affect the performance and accuracy of the device, especially in precision applications where small signal levels are involved. It is typically specified in datasheets for operational amplifiers, transistors, and other semiconductor devices to provide users with important information for circuit design and analysis.
50nA - Voltage - Supply, Single/Dual (±)
The parameter "Voltage - Supply, Single/Dual (±)" in electronic components refers to the power supply voltage required for the proper operation of the component. This parameter indicates whether the component requires a single power supply voltage (e.g., 5V) or a dual power supply voltage (e.g., ±15V). For components that require a single power supply voltage, only one voltage level is needed for operation. On the other hand, components that require a dual power supply voltage need both positive and negative voltage levels to function correctly.Understanding the voltage supply requirements of electronic components is crucial for designing and integrating them into circuits to ensure proper functionality and prevent damage due to incorrect voltage levels.
±18V - Input Offset Voltage (Vos)
Input Offset Voltage (Vos) is a key parameter in electronic components, particularly in operational amplifiers. It refers to the voltage difference that must be applied between the two input terminals of the amplifier to nullify the output voltage when the input terminals are shorted together. In simpler terms, it represents the voltage required to bring the output of the amplifier to zero when there is no input signal present. Vos is an important parameter as it can introduce errors in the output signal of the amplifier, especially in precision applications where accuracy is crucial. Minimizing Vos is essential to ensure the amplifier operates with high precision and accuracy.
50μV - Gain Bandwidth Product
The gain–bandwidth product (designated as GBWP, GBW, GBP, or GB) for an amplifier is the product of the amplifier's bandwidth and the gain at which the bandwidth is measured.
25MHz - Neg Supply Voltage-Nom (Vsup)
The parameter "Neg Supply Voltage-Nom (Vsup)" in electronic components refers to the nominal negative supply voltage that the component requires to operate within its specified performance characteristics. This parameter indicates the minimum voltage level that must be provided to the component's negative supply pin for proper functionality. It is important to ensure that the negative supply voltage provided to the component does not exceed the maximum specified value to prevent damage or malfunction. Understanding and adhering to the specified negative supply voltage requirements is crucial for the reliable operation of the electronic component in a circuit.
-15V - Voltage - Input Offset
Voltage - Input Offset is a parameter that refers to the difference in voltage between the input terminals of an electronic component, such as an operational amplifier, when the input voltage is zero. It is an important characteristic that can affect the accuracy and performance of the component in various applications. A low input offset voltage is desirable as it indicates that the component will have minimal error in its output when the input signal is near zero. Manufacturers typically provide this specification in the component's datasheet to help users understand the component's behavior and make informed decisions when designing circuits.
200μV - -3db Bandwidth
The "-3dB bandwidth" of an electronic component refers to the frequency range over which the component's output signal power is reduced by 3 decibels (dB) compared to its maximum output power. This parameter is commonly used to describe the frequency response of components such as amplifiers, filters, and other signal processing devices. The -3dB point is significant because it represents the half-power point, where the output signal power is reduced to half of its maximum value. Understanding the -3dB bandwidth is important for designing and analyzing electronic circuits to ensure that signals are accurately processed within the desired frequency range.
0.65MHz - Screening Level
In electronic components, the term "Screening Level" refers to the level of testing and inspection that a component undergoes to ensure its reliability and performance. This process involves subjecting the component to various tests, such as temperature cycling, burn-in, and electrical testing, to identify any defects or weaknesses that could affect its functionality. The screening level is typically determined based on the application requirements and the criticality of the component in the system. Components that undergo higher screening levels are generally more reliable but may also be more expensive. Overall, the screening level helps to ensure that electronic components meet the necessary quality standards for their intended use.
MIL-STD-883 Class B - Voltage Gain-Min
Voltage Gain-Min is a parameter used to describe the minimum amplification factor of an electronic component, such as an amplifier or transistor. It represents the smallest amount by which the input voltage signal is amplified to produce the output voltage signal. A higher Voltage Gain-Min value indicates a greater amplification capability of the component. This parameter is crucial in determining the performance and efficiency of electronic circuits, as it directly influences the signal strength and quality of the output. Manufacturers provide this specification to help engineers and designers select the appropriate components for their specific application requirements.
1 - Voltage Gain-Nom
Voltage Gain-Nom is a parameter used to describe the ratio of the output voltage to the input voltage in electronic components such as amplifiers. It represents the amplification factor of the component and indicates how much the input voltage is amplified to produce the output voltage. The "Nom" in the term signifies that this value is the nominal or typical voltage gain under specified operating conditions. A higher voltage gain indicates a greater amplification of the input signal, while a lower voltage gain signifies less amplification. This parameter is crucial in determining the performance and functionality of electronic circuits and devices.
10 - Length8.89mm
- 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
Parts with Similar Specs
- ImagePart NumberManufacturerPackage / CaseNumber of PinsNumber of CircuitsSlew RateGain Bandwidth ProductInput Offset Voltage (Vos)Common Mode Rejection RatioSupply VoltageView Compare
5962-87719012A
20-CLCC
20
1
5V/μs
25MHz
50 μV
70 dB
15 V
20-CLCC
20
1
5V/μs
25MHz
200 μV
90 dB
15 V
20-CLCC
20
1
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250 μV
90 dB
15 V
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5 mV
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35 V/μs
9.4 MHz
6 mV
70 dB
5 V
Datasheet PDF
- Datasheets :
- PCN Assembly/Origin :
- ConflictMineralStatement :
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