Description
OPA388, OPA2388, OPA4388 SBOS777D * NOVEMBER 2016 * REVISED JULY 2020 OPAx388 Precision, Zero-Drift, Zero-Crossover, True Rail-to-Rail.
The OPAx388 (OPA388, OPA2388, and OPA4388) series of precision operational amplifiers are ultra-low noise, fast-settling, zero-drift, zero-crossover.
Features
* Ultra-low offset voltage: ±0.25 µV
* Zero drift: ±0.005 µV/°C
* Zero crossover: 140-dB CMRR true RRIO
* Low noise: 7.0 nV√Hz at 1 kHz
* No 1/f noise: 140 nVPP (0.1 Hz to 10 Hz)
* Fast settling: 2 µs (1 V to 0.01%)
* Gain bandwidth: 10 MHz
Applications
* Merchant network and server PSU
* Notebook PC power adapter design
* Weigh scale
* Lab and field instrumentation
* Battery test
* Electronic thermometer
* Temperature transmitter
R3 25 k
R4
5V
100 k
RG
REF5025
R4 100 k
R2 25 k
5V
5V