Overview
The AD8422ARZ-R7 is a high-performance, low-power, rail-to-rail precision instrumentation amplifier produced by Analog Devices Inc. This amplifier is designed to process signals with ultra-low distortion performance that is load independent over its full output range. It employs advanced process technologies and design techniques to achieve a higher dynamic range and lower errors compared to its predecessors, while consuming significantly less power.
The AD8422ARZ-R7 is known for its robust input protection, ensuring reliability without compromising noise performance. It is error-free with high source impedance, allowing multiple sensors to be multiplexed to the inputs. This makes it an ideal choice for various precision and critical applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | AD8422ARZ-R7 |
| Manufacturer | Analog Devices Inc. |
| Amplifier Type | Instrumentation Amplifier |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Voltage Supply Span (Min) | 4.6 V |
| Voltage Supply Span (Max) | 36 V |
| Quiescent Current | 300 μA (typ), 330 μA (max) |
| Slew Rate | 0.8 V/μs |
| Input Offset Voltage | 60 μV |
| Input Bias Current | 500 pA (typ), 0.5 nA (max) |
| Bandwidth (G = 1) | 2.2 MHz |
| Common Mode Rejection Ratio (CMRR) | 86 dB (min at 106 KHz, G = 1), 150 dB (min at G = 1000) |
| Operating Temperature | -40°C to +85°C |
Key Features
- Rail-to-Rail Output: Ensures full output range utilization.
- Ultra-Low Input Bias Current: 500 pA typical, enhancing precision.
- Low Input Offset Voltage: 60 μV, contributing to high accuracy.
- High Gain Bandwidth: 2.2 MHz, suitable for high-frequency applications.
- Wide Supply Voltage Range: From 4.6 V to 36 V, offering versatility.
- Low Quiescent Current: 300 μA typical, reducing power consumption.
- Robust Input Protection: Ensures reliability without compromising noise performance.
- High CMRR: Up to 150 dB, providing excellent common-mode rejection.
Applications
- Precision Measurement and Instrumentation: Ideal for precise signal processing.
- Industrial Control Systems: Used in process control and automation.
- Medical Equipment: Suitable for medical instrumentation due to its high precision and reliability.
- Test and Measurement Instruments: Utilized in various testing and measurement applications.
- Strain Gauges and Transducer Interfaces: Effective in interfacing with sensors and transducers.
- Precision Data Acquisition Systems: Ensures accurate data acquisition in critical systems.
- Channel-Isolated Systems and Portable Instrumentation: Used in isolated and portable instrumentation due to its low power consumption and robust performance.
Q & A
- What is the AD8422ARZ-R7?
The AD8422ARZ-R7 is a high-performance, low-power, rail-to-rail precision instrumentation amplifier produced by Analog Devices Inc.
- What is the typical quiescent current of the AD8422ARZ-R7?
The typical quiescent current is 300 μA, with a maximum of 330 μA.
- What is the input offset voltage of the AD8422ARZ-R7?
The input offset voltage is 60 μV.
- What is the bandwidth of the AD8422ARZ-R7 at a gain of 1?
The bandwidth at a gain of 1 is 2.2 MHz.
- What is the common mode rejection ratio (CMRR) of the AD8422ARZ-R7?
The CMRR is 86 dB minimum at 106 KHz (G = 1) and 150 dB minimum at G = 1000.
- What is the operating temperature range of the AD8422ARZ-R7?
The operating temperature range is -40°C to +85°C.
- What are the typical applications of the AD8422ARZ-R7?
It is used in precision measurement and instrumentation, industrial control systems, medical equipment, test and measurement instruments, strain gauges, transducer interfaces, precision data acquisition systems, and channel-isolated systems.
- What is the package type of the AD8422ARZ-R7?
The package type is 8-SOIC (0.154", 3.90mm Width).
- Is the AD8422ARZ-R7 RoHS compliant?
Yes, the AD8422ARZ-R7 is RoHS3 compliant.
- What is the slew rate of the AD8422ARZ-R7?
The slew rate is 0.8 V/μs.
- What is the input bias current of the AD8422ARZ-R7?
The input bias current is 500 pA typical, with a maximum of 0.5 nA.
