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Reference Design
OPA325, OPA2325, OPA4325
SBOS637D – OCTOBER 2016 – REVISED JUNE 2019
OPAx325 Precision, 10-MHz, Low-Noise, Low-Power, RRIO,
CMOS Operational
Amplifiers
1 Features
•1 Precision with zero-crossover distortion: – Low offset
voltage: 150 μV (maximum) – High CMRR: 114 dB – Rail-to-rail I/O
• Wide bandwidth: 10 MHz • Quiescent current: 650 μA/ch • Single-supply
voltage range: 2.
2 V to 5.
5 V • Low input bias current: 0.
2 pA • Low noise: 9 nV/√Hz at 10 kHz • Slew rate: 5 V/μs • Unity-gain stable
2 Applications
• High-Z sensor signal conditioning • Transimpedance
amplifiers • Test and measurement...