Description
Features and Benefits
- Easy to use
- Rail-to-rail output swing
- Input voltage range extends 150 mV below ground (single supply)
- Low power, 550 μA maximum supply current
- Gain set with one external resistor
- High accuracy dc performance
- 0.10% gain accuracy (G = 1)
- 0.35% gain accuracy (G > 1)
- Noise: 35 nV/√Hz RTI noise at 1 kHz
- Excellent dynamic specifications
- 800 kHz bandwidth (G = 1)
- 20 μs settling time to 0.01% (G = 10)
Product Details
The AD623 is an integrated, single- or dual-supply instrumentation amplifier that delivers rail-to-rail output swing using supply voltages from 3 V to 12 V. 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 of up to 1000.
The superior accuracy of the AD623 is the result of increasing ac common-mode rejection ratio (CMRR) coincident with increasing gain; line noise harmonics are rejected due to constant CMRR up to 200 Hz. The AD623 has a wide input common-mode range and amplifies signals with commonmode voltages as low as 150 mV below ground. The AD623 maintains superior performance with dual and single polarity power supplies.
Applications
- Low power medical instrumentation
- Transducer interfaces
- Thermocouple amplifiers
- Industrial process controls
- Difference amplifiers
- Low power data acquisition
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