Specifications
| Attribute | Value |
| Package | Tube |
| ProductStatus | Active |
| AmplifierType | J-FET |
| NumberofCircuits | 1 |
| OutputType | Rail-to-Rail |
| SlewRate | 3V/µs |
| GainBandwidthProduct | 1.8 MHz |
| -3dbBandwidth | 1.9 MHz |
| Current-InputBias | 2 pA |
| Voltage-InputOffset | 400 µV |
| Current-Supply | 700µA |
| Current-Output/Channel | 20 mA |
| Voltage-SupplySpan(Min) | 5 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Overview
Description
The AD820ARZ is a low-power, high-precision instrumentation amplifier manufactured by Analog Devices. It is designed for applications requiring accurate and stable amplification of small differential signals. The device features a low noise level and a high common-mode rejection ratio (CMRR), making it suitable for use in environments with significant electrical interference.
The amplifier operates with a low supply current, making it energy-efficient, and is capable of functioning over a wide supply voltage range. Its gain is set externally by a single resistor, which provides flexibility in various applications. The AD820ARZ offers a zero-drift architecture, ensuring minimal offset voltage over time and temperature changes, making it ideal for precision measurement applications.
This amplifier is commonly used in medical instrumentation, data acquisition systems, and industrial process controls. It comes in a compact, surface-mount package, facilitating easy integration into circuit boards. Overall, the AD820ARZ combines high performance with efficiency, catering to a wide range of precision amplification needs.
The amplifier operates with a low supply current, making it energy-efficient, and is capable of functioning over a wide supply voltage range. Its gain is set externally by a single resistor, which provides flexibility in various applications. The AD820ARZ offers a zero-drift architecture, ensuring minimal offset voltage over time and temperature changes, making it ideal for precision measurement applications.
This amplifier is commonly used in medical instrumentation, data acquisition systems, and industrial process controls. It comes in a compact, surface-mount package, facilitating easy integration into circuit boards. Overall, the AD820ARZ combines high performance with efficiency, catering to a wide range of precision amplification needs.
Equivalent
The AD820ARZ is a single-supply, rail-to-rail output operational amplifier. Equivalent products include:
1. LM358 - a dual operational amplifier with similar supply voltage range.
2. TLV2371 - a single, low-power rail-to-rail op-amp.
3. OPA344 - a single-supply, rail-to-rail input and output op-amp.
These alternatives may have slight differences in specifications, so check the datasheets to ensure compatibility with your application.
1. LM358 - a dual operational amplifier with similar supply voltage range.
2. TLV2371 - a single, low-power rail-to-rail op-amp.
3. OPA344 - a single-supply, rail-to-rail input and output op-amp.
These alternatives may have slight differences in specifications, so check the datasheets to ensure compatibility with your application.
Features
The AD820ARZ is a precision instrumentation amplifier designed by Analog Devices. Key features include:
1. Wide Supply Range: Operates with dual supplies from ±2.3 V to ±18 V or a single supply from 4.6 V to 36 V, offering flexibility for various applications.
2. Low Offset Voltage: Features a low input offset voltage, ensuring high accuracy in measurement and minimal error over time.
3. High CMRR: Offers a high common-mode rejection ratio (CMRR), which allows the device to accurately amplify small differential signals while rejecting large common-mode voltages.
4. Adjustable Gain: Gain can be set with external resistors, providing versatility in adjusting amplification levels to suit specific applications.
5. Low Power Consumption: Consumes minimal power, making it suitable for battery-powered and portable devices.
6. Temperature Range: Functions efficiently over a wide temperature range, making it robust for industrial use.
7. Compact Package: Comes in a small, surface-mount package, suitable for space-constrained designs.
These features make the AD820ARZ ideal for precision amplification in applications such as sensor signal conditioning, data acquisition, and medical instrumentation.
1. Wide Supply Range: Operates with dual supplies from ±2.3 V to ±18 V or a single supply from 4.6 V to 36 V, offering flexibility for various applications.
2. Low Offset Voltage: Features a low input offset voltage, ensuring high accuracy in measurement and minimal error over time.
3. High CMRR: Offers a high common-mode rejection ratio (CMRR), which allows the device to accurately amplify small differential signals while rejecting large common-mode voltages.
4. Adjustable Gain: Gain can be set with external resistors, providing versatility in adjusting amplification levels to suit specific applications.
5. Low Power Consumption: Consumes minimal power, making it suitable for battery-powered and portable devices.
6. Temperature Range: Functions efficiently over a wide temperature range, making it robust for industrial use.
7. Compact Package: Comes in a small, surface-mount package, suitable for space-constrained designs.
These features make the AD820ARZ ideal for precision amplification in applications such as sensor signal conditioning, data acquisition, and medical instrumentation.
Pinout
The AD820ARZ is a precision operational amplifier produced by Analog Devices. It comes in an 8-pin package, typically a standard small outline integrated circuit (SOIC) package. Here is a brief overview of its pin count and functions:
1. Pin 1 (Offset Null): Used for offset voltage adjustment.
2. Pin 2 (Inverting Input): Inverting input terminal for differential signal applications.
3. Pin 3 (Non-Inverting Input): Non-inverting input terminal for differential signal applications.
4. Pin 4 (V-): Negative power supply terminal.
5. Pin 5 (Offset Null): Used for offset voltage adjustment (typically paired with Pin 1).
6. Pin 6 (Output): The output terminal of the operational amplifier.
7. Pin 7 (V+): Positive power supply terminal.
8. Pin 8 (NC/No Connect): Typically not internally connected, used for mechanical stability or future use.
The AD820ARZ is known for its low offset voltage, low input bias current, and high open-loop gain, making it suitable for precision applications.
1. Pin 1 (Offset Null): Used for offset voltage adjustment.
2. Pin 2 (Inverting Input): Inverting input terminal for differential signal applications.
3. Pin 3 (Non-Inverting Input): Non-inverting input terminal for differential signal applications.
4. Pin 4 (V-): Negative power supply terminal.
5. Pin 5 (Offset Null): Used for offset voltage adjustment (typically paired with Pin 1).
6. Pin 6 (Output): The output terminal of the operational amplifier.
7. Pin 7 (V+): Positive power supply terminal.
8. Pin 8 (NC/No Connect): Typically not internally connected, used for mechanical stability or future use.
The AD820ARZ is known for its low offset voltage, low input bias current, and high open-loop gain, making it suitable for precision applications.
Manufacturer
The AD820ARZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacture of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves a wide array of industries, including industrial, automotive, communications, healthcare, and consumer electronics. Known for its high-performance analog technology, Analog Devices provides solutions that are crucial in bridging the physical and digital worlds.
Application
The AD820ARZ is a high-speed, low-power operational amplifier commonly used in various applications. It is ideal for signal conditioning, sensor amplification, and precision data acquisition systems due to its low noise and high accuracy. The device is also utilized in audio equipment, industrial control systems, and medical instrumentation. Its high slew rate and wide bandwidth make it suitable for communication equipment and video signal processing. Additionally, the AD820ARZ can be found in automotive electronics for sensor signal amplification and noise filtering, as well as in instrumentation and measurement devices for accurate and reliable performance.
Package
The AD820ARZ is an operational amplifier from Analog Devices. It comes in an SOIC-8 package, which is a small outline integrated circuit with 8 pins.
