OPA2388
Features
- Ultra-low offset voltage: ±0.25 µV
- Zero drift: ±0.005 µV/°C
- Zero crossover: 140-d B CMRR true RRIO
- Low noise: 7.0 n V√Hz at 1 k Hz
- No 1/f noise: 140 n VPP (0.1 Hz to 10 Hz)
- Fast settling: 2 µs (1 V to 0.01%)
- Gain bandwidth: 10 MHz
- Single supply: 2.5 V to 5.5 V
- Dual supply: ±1.25 V to ±2.75 V
- True rail-to-rail input and output
- EMI/RFI filtered inputs
- Industry-standard packages:
- Single in SOIC-8, SOT-23-5, and VSSOP-8
- Dual in SOIC-8 and VSSOP-8
- Quad in SOIC-14 and TSSOP-14
2 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
REF5025
R4 100 k
R2 25 k
5V
5V
±
+SENSE
5V
±
VOUT
OPA388...
