Product description
Single-Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
The AD623 is an integrated single-supply instrumentation amplifier that delivers rail-to-rail output swing on a 3V to 12V supply. The AD623 offers superior user flexibility by allowing single gain set resistor programming and by conforming to the 8-lead industry standard pinout configuration. With no external resistor, the AD623 is configured for unity gain (G = 1), and with an external resistor, the AD623 can be programmed for gains up to 1000.
Features
* Single-supply and dual-supply operation * Rail-to-rail output swing * Input voltage range extends 150 mV below ground (single supply) * Low power, 550uA maximum supply current * Gain set with one external resistor * Gain range: 1 (no resistor) to 1000 * High accuracy dc performance - 0.10% gain accuracy (G = 1) - 0.35% gain accuracy (G > 1) - 10ppm maximum gain drift (G = 1) - 200uV maximum input offset voltage
- 2uV/°C maximum input offset drift
- 25 nA maximum input bias current * Noise: 35 nV/vHz RTI noise @ 1kHz (G = 1) * Excellent ac specifications - 90 dB minimum CMRR (G = 10); 70dB minimum CMRR (G = 1) at 60Hz, 1kOhm source imbalance - 800 kHz bandwidth (G = 1) - 20 us settling time to 0.01% (G = 10)
Applications
* Low power medical instrumentation * Transducer interfaces * Thermocouple amplifiers * Industrial process controls * Difference amplifiers * Low power data acquisition
The AD623 is an integrated single-supply instrumentation amplifier that delivers rail-to-rail output swing on a 3V to 12V supply. The AD623 offers superior user flexibility by allowing single gain set resistor programming and by conforming to the 8-lead industry standard pinout configuration. With no external resistor, the AD623 is configured for unity gain (G = 1), and with an external resistor, the AD623 can be programmed for gains up to 1000.
Features
* Single-supply and dual-supply operation * Rail-to-rail output swing * Input voltage range extends 150 mV below ground (single supply) * Low power, 550uA maximum supply current * Gain set with one external resistor * Gain range: 1 (no resistor) to 1000 * High accuracy dc performance - 0.10% gain accuracy (G = 1) - 0.35% gain accuracy (G > 1) - 10ppm maximum gain drift (G = 1) - 200uV maximum input offset voltage
- 2uV/°C maximum input offset drift
- 25 nA maximum input bias current * Noise: 35 nV/vHz RTI noise @ 1kHz (G = 1) * Excellent ac specifications - 90 dB minimum CMRR (G = 10); 70dB minimum CMRR (G = 1) at 60Hz, 1kOhm source imbalance - 800 kHz bandwidth (G = 1) - 20 us settling time to 0.01% (G = 10)
Applications
* Low power medical instrumentation * Transducer interfaces * Thermocouple amplifiers * Industrial process controls * Difference amplifiers * Low power data acquisition