AD8290 amplifier equivalent, cmos sensor amplifier.
Supply voltage range: 2.6 V to 5.5 V Low power 1.2 mA + 2× excitation current 0.5 μA shutdown current Low input bias current: ±100 pA High CMRR: 120 dB Space savings: 16-.
Bridge and sensor drives Portable electronics
FUNCTIONAL BLOCK DIAGRAM
CFILTER RSET
13 10 15 11 6
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The AD8290 contains both an adjustable current source to drive a sensor and a difference amplifier to amplify the signal voltage. The amplifier is set for a fixed gain of 50. The AD8290 is an excellent solution for both the drive and the sensing aspe.
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