AD8293G80BRJZ-R7

AD8293G80BRJZ-R7 is a low-cost, zero-drift in-amp with filter and fixed gain. It is a small, precision instrumentation amplifier that has low noise and rail-to-rail outputs. It incorporates the gain setting resistors and filter resistors, reducing the number of ancillary components. For example, only two external capacitors are needed to implement a 2-pole filter. It also features low offset voltage, offset drift, and gain drift coupled with high common mode rejection. It is capable of operating on a supply of 1.8V to 5.5V. Precision instrumentation, position and pressure sensors, medical instrumentation, and strain gauge amplifiers benefit from the low noise, low input bias current, and high common mode rejection. The small footprint and low cost are ideal for high-volume applications. It is used in applications such as current sensing, strain gauges, laser diode control loops, portable medical instruments, and thermocouple amplifiers.

• Reduced component count, incorporates gain resistors and filter resistors, gain is 80
• Single-supply operation range from 1.8V to 5.5V, rail-to-rail output
• Input offset voltage is 5μV typical at (VCC = 2.7V to 5V,VCM = -0V,VREF = VCC/2,VIN = VINP − VINN)
• Gain drift is 5ppm/°C typical at (VCC = 2.7V to 5V, VCM = -0V, VREF = VCC/2, TA = 25°C)
• Common mode rejection ratio is 140dB typical at (VCC = 5V, VCM = 0V to 3.3V; -40°C ≤ TA ≤ +85°C)
• Voltage noise is 0.7μV p-p typ at (f = 0.01Hz to 10Hz, VCC = 2.7V to 5V, VCM = -0V, VREF = VCC/2)
• Small signal bandwidth is 500Hz typical at (VCC = 2.7V to 5V, VCM = -0V, VREF = VCC/2)
• Input bias current is 0.4nA typical at (VCC = 2.7V to 5V, VCM = -0V, VREF = VCC/2)
• Supply current is 1mA typical at (VCC = 2.7V to 5V, VCM = -0V, VREF = VCC/2)
• Operating temperature range from -40°C to +85°C, 8-lead SOT-23 package

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