Texas Instruments OPA2342UA/2K5, MicroAmplifier™ series, dual CMOS op-amp, 1 MHz gain bandwidth, 1 V/µs slew rate, rail-to-rail output, 2.7 V to 5.5 V supply, 150 µA per channel, 8-SOIC package, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Series | MicroAmplifier™ |
| Output type | Rail-to-Rail |
| Mounting | Surface Mount |
| Amplifier type | CMOS |
| Voltage - input offset | 1 mV |
| Voltage - supply span | 5.5 V |
| Current - supply | 150µA (x2 Channels) |
| Current - input bias | 0.2 pA |
| Current - output (Channel) | 15 mA |
| Operating temperature | -40°C ~ 85°C |
| Gain bandwidth product | 1 MHz |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Slew rate | 1V/µs |
| Case | 8-SOIC (0.154\", 3.90mm Width) |
| Number of circuits | 2 |
It delivers a 1 MHz gain bandwidth product with a 1 V/µs slew rate, drawing just 150 µA per channel. Input bias current sits at 0.2 pA, so it won't load high-impedance sources like photodiodes or pH probes.
The 150 µA per channel supply current keeps quiescent power low. Rail-to-rail output on a 2.7 V rail provides swing near the supply. The 0.2 pA input bias allows high-impedance feedback without offset errors.
The OPA2342UA/2K5 suffix indicates tape-and-reel packaging (2500 pieces per reel). The base OPA2342UA is typically supplied in tube or different reel quantities. The silicon and electrical specs are identical.
Yes, the supply range is 2.7 V to 5.5 V, so a single 3.3 V rail is well within spec. The rail-to-rail output gives you nearly the full 3.3 V swing.