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AD623

单电源,轨到轨,低成本仪表放大器 Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier

Product Details

The 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

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Low power medical instrumentation
.
Transducer interfaces
.
Thermocouple amplifiers
.
Industrial process controls
.
Difference amplifiers
.
Low power data acquisition

### Features and Benefits

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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
.
Gain range: 1 to 1000
.
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

AD623 PDF数据文档
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