The OPA342 series rail-to-rail CMOS operational amplifiers are designed for low-cost, low-power, miniature applications. They are optimized to operate on a single supply as low as 2.5V with an input common-mode voltage range that extends 300mV beyond the supplies.
Rail-to-rail input/output and high-speed operation make them ideal for driving sampling Analog-to-Digital Converters (ADC). They are also well suited for general-purpose and audio applications and providing I/V conversion at the output of Digital-to-Analog Converters (DAC). Single, dual, and quad versions have identical specs for design flexibility.
The OPA342 series offers excellent dynamic response with a quiescent current of only 250uA max. Dual and quad designs feature completely independent circuitry for lowest crosstalk and freedom from interaction.
| Number of channels | 4 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 5.5 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 2.7 |
| Rail-to-rail | In, Out |
| GBW (typ) (MHz) | 1 |
| Slew rate (typ) (V/µs) | 1 |
| Vos (offset voltage at 25°C) (max) (mV) | 6 |
| Iq per channel (typ) (mA) | 0.15 |
| Vn at 1 kHz (typ) (nV√Hz) | 30 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| Offset drift (typ) (µV/°C) | 3 |
| Input bias current (max) (pA) | 10 |
| CMRR (typ) (dB) | 88 |
| Iout (typ) (A) | 0.015 |
| Architecture | CMOS |
| Input common mode headroom (to negative supply) (typ) (V) | -0.3 |
| Input common mode headroom (to positive supply) (typ) (V) | 0.3 |
| Output swing headroom (to negative supply) (typ) (V) | 0.001 |
| Output swing headroom (to positive supply) (typ) (V) | -0.001 |
| SOIC (D) | 14 | 51.9 mm² 8.65 x 6 |
| TSSOP (PW) | 14 | 32 mm² 5 x 6.4 |
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