Analog Devices Inc. AD620ARZ-REEL
| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mfr | Analog Devices Inc. |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Current - Supply | 900µA |
| Output Type | - |
| Number of Circuits | 1 |
| Slew Rate | 1.2V/µs |
| Supplier Device Package | 8-SOIC |
| -3db Bandwidth | 1 MHz |
| Current - Input Bias | 500 pA |
| Amplifier Type | Instrumentation |
| Voltage - Input Offset | 30 µV |
| Current - Output / Channel | 18 mA |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Base Product Number | AD620 |
| REACH Status | REACH Unaffected |
| Standard Package | 2,500 |
| ECCN | EAR99 |
| HTSUS | 8542.33.0001 |
| Voltage - Supply Span (Min) | 4.6 V |
| Voltage - Supply Span (Max) | 36 V |
AD620ARZ-REEL - Precision Instrumentation Amplifier IC
1. Instrumentation Amplifier Overview
The AD620ARZ-REEL is a low-cost, high-precision instrumentation amplifier from Analog Devices designed for accurate signal amplification in demanding measurement applications. This monolithic IC provides excellent performance with a wide power supply range of ±2.3V to ±18V, making it suitable for both portable and industrial equipment. The device features a fixed gain of 1 to 10,000 set by a single external resistor, offering exceptional flexibility in various circuit configurations. With its 8-lead SOIC package, the AD620ARZ-REEL combines high performance with compact design, ideal for space-constrained applications.
2. 1 Circuit Amplifier Key Features
This instrumentation amplifier boasts an ultra-low input offset voltage of 50μV maximum and an outstanding common-mode rejection ratio (CMRR) of 100dB minimum at G=10, ensuring precise signal amplification even in noisy environments. The AD620ARZ-REEL consumes only 1.3mA maximum quiescent current, making it perfect for battery-powered devices. It offers a wide bandwidth of 120kHz at G=100 and a fast settling time, enabling accurate measurement of dynamic signals. The device's laser-trimmed resistors provide excellent gain accuracy and temperature stability, while its high input impedance (10GΩ) minimizes loading effects on signal sources.
3. Applications
The AD620ARZ-REEL finds extensive use in medical instrumentation including ECG amplifiers, blood pressure monitors, and patient monitoring systems. Industrial applications include strain gauge amplifiers, transducer interfaces, and process control systems. It's equally valuable in test and measurement equipment such as data acquisition systems, analytical instruments, and precision current sensing circuits. The amplifier's excellent DC performance makes it particularly suitable for thermocouple amplifiers, RTD signal conditioning, and bridge amplifiers in various sensor applications.
4. Selection Advantages
Compared to discrete instrumentation amplifier solutions, the AD620ARZ-REEL offers superior performance with significantly reduced component count and board space requirements. Its excellent CMRR and low noise characteristics outperform many competitive devices in similar price ranges. The amplifier's wide supply voltage range and low power consumption provide exceptional design flexibility for both portable and line-powered applications. Engineers favor this IC for its reliable operation across industrial temperature ranges (-40°C to +85°C) and its robust performance in demanding environments, making it an ideal choice for precision measurement applications where accuracy and reliability are paramount.
