Overview
The AD620AR-REEL, manufactured by Analog Devices Inc., is a high-accuracy, low-cost instrumentation amplifier. It is designed to provide high performance in a variety of applications, including precision data acquisition systems, medical instrumentation, and industrial process controls. The AD620AR-REEL features an 8-lead SOIC package, which is smaller than discrete designs and offers lower power consumption, making it suitable for battery-powered and portable equipment.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | Instrumentation Amplifier | |
| Number of Channels | 1 | |
| Bandwidth | 1 MHz | |
| Common Mode Rejection Ratio (CMRR) | 73 dB | |
| Offset Voltage | 50 µV max | µV |
| Offset Drift | 0.6 µV/°C max | µV/°C |
| Input Bias Current | 1.0 nA max | nA |
| Supply Voltage Range | ±2.3 V to ±18 V | V |
| Quiescent Current | 1.3 mA max | mA |
| Operating Temperature Range | –40°C to +85°C | °C |
| Package Type | 8-lead SOIC |
Key Features
- High accuracy with 40 ppm maximum nonlinearity
- Low offset voltage and drift (50 µV max, 0.6 µV/°C max)
- Low noise: 9 nV/√Hz at 1 kHz, 0.28 μV p-p in the 0.1 Hz to 10 Hz band
- Low input bias current: 1.0 nA max
- Low power consumption: 1.3 mA max supply current
- Gain adjustable from 1 to 10,000 using a single external resistor
- Fast settling time: 15 μs to 0.01%
- Compact 8-lead SOIC and DIP packaging
Applications
- Precision data acquisition systems
- Weigh scales
- ECG and other medical instrumentation
- Transducer interfaces
- Industrial process controls
- Battery-powered and portable equipment
Q & A
- What is the AD620AR-REEL used for?
The AD620AR-REEL is used in various applications requiring high-accuracy instrumentation amplification, such as precision data acquisition systems, medical instrumentation, and industrial process controls.
- What is the bandwidth of the AD620AR-REEL?
The bandwidth of the AD620AR-REEL is 1 MHz.
- What is the common mode rejection ratio (CMRR) of the AD620AR-REEL?
The CMRR of the AD620AR-REEL is 73 dB.
- How is the gain of the AD620AR-REEL adjusted?
The gain of the AD620AR-REEL can be adjusted from 1 to 10,000 using a single external resistor.
- What is the maximum offset voltage of the AD620AR-REEL?
The maximum offset voltage of the AD620AR-REEL is 50 µV.
- What is the input bias current of the AD620AR-REEL?
The input bias current of the AD620AR-REEL is 1.0 nA max.
- What is the supply voltage range for the AD620AR-REEL?
The supply voltage range for the AD620AR-REEL is ±2.3 V to ±18 V.
- What is the quiescent current of the AD620AR-REEL?
The quiescent current of the AD620AR-REEL is 1.3 mA max.
- What is the operating temperature range of the AD620AR-REEL?
The operating temperature range of the AD620AR-REEL is –40°C to +85°C.
- What package types are available for the AD620AR-REEL?
The AD620AR-REEL is available in an 8-lead SOIC package.
