The OPA341 series rail-to-rail CMOS operational amplifiers are designed for low-cost, miniature applications. They are optimized for low-voltage, single-supply operation. Rail-to-rail input and output and high-speed operation make them ideal for driving sampling Analog-to-Digital (A/D) converters.
The power-saving shutdown feature makes the OPA341 ideal for portable low-power applications. The OPA341 series is also well suited for general-purpose and audio applications as well as providing I/V conversion at the output of Digital-to-Analog (D/A) converters. Single and dual versions have identical specifications for design flexibility.
The OPA341 series operate on a single supply as low as 2.5V, and input common-mode voltage range extends 300mV beyond the supply rails. Output voltage swings to within 1mV of the supply rails with a 100k
load. The OPA341 series offers excellent dynamic response (BW = 5.5MHz, SR = 6V/us) with a quiescent current of only 750uA. The dual design features completely independent circuitry for lowest crosstalk and free-dom from interaction.
The single (OPA341) packages are the tiny SOT23-6 surface mount and SO-8 surface mount. The dual (OPA2341) comes in the miniature MSOP-10 surface mount. All are specified from x9655°C to +125°C and operate from x9655°C to +150°C. The OPA343 provides similar performance without shut-down capability.
| Number of channels | 1 |
| 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) | 5.5 |
| Slew rate (typ) (V/µs) | 6 |
| Vos (offset voltage at 25°C) (max) (mV) | 5 |
| Iq per channel (typ) (mA) | 0.75 |
| Vn at 1 kHz (typ) (nV√Hz) | 25 |
| Rating | Catalog |
| Operating temperature range (°C) | -55 to 125 |
| Offset drift (typ) (µV/°C) | 2 |
| Features | Shutdown |
| Input bias current (max) (pA) | 10 |
| CMRR (typ) (dB) | 90 |
| Iout (typ) (A) | 0.05 |
| 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) | 0.04 |
| Output swing headroom (to positive supply) (typ) (V) | -0.04 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
| SOT-23 (DBV) | 6 | 8.12 mm² 2.9 x 2.8 |