| Number of channels (#) | 2 |
| Total supply voltage (Max) (+5V=5, +/-5V=10) | 5.5 |
| Total supply voltage (Min) (+5V=5, +/-5V=10) | 2.7 |
| Vos (offset voltage @ 25 C) (Max) (mV) | 0.5 |
| GBW (Typ) (MHz) | 5.5 |
| Slew rate (Typ) (V/us) | 6 |
| Rail-to-rail | In, Out |
| Offset drift (Typ) (uV/C) | 2.5 |
| Iq per channel (Typ) (mA) | 0.75 |
| Vn at 1 kHz (Typ) (nV/rtHz) | 25 |
| CMRR (Typ) (dB) | 92 |
| Rating | Catalog |
| Operating temperature range (C) | -40 to 85 |
| Input bias current (Max) (pA) | 10 |
| Output current (Typ) (mA) | 50 |
| Architecture | CMOS |
| THD + N @ 1 kHz (Typ) (%) | 0.0007 |
- Rail-to-Rail Input
- Rail-to-Rail Output (Within 1 mV)
- MicroSize Packages
- Wide Bandwidth: 5.5 MHz
- High Slew Rate: 6 V/μs
- Low THD + Noise: 0.0007% (f = 1 kHz)
- Low Quiescent Current: 750 μA/Channel
- Single, Dual, and Quad Versions
The OPA340 series rail-to-rail CMOS operational amplifiers 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. They are 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, dual, and quad versions have identical specifications for design flexibility.
The OPA340 series operate on a single supply as low as 2.5 V with an input common-mode voltage range that extends 500 mV below ground and 500 mV above the positive supply. Output voltage swing is to within 1 mV of the supply rails with a 100-kΩ load. These devices offer excellent dynamic response (BW = 5.5 MHz, SR = 6 V/μs), yet quiescent current is only 750 A. Dual and quad designs feature completely independent circuitry for lowest crosstalk and freedom from interaction.
The single (OPA340) packages are the tiny 5-pin SOT-23 surface mount, 8-pin SOIC surface mount, and 8-pin DIP. The dual (OPA2340) comes in the miniature 8-pin VSSOP surface mount, 8-pin SOIC surface mount, and 8-pin PDIP packages. The quad (OPA4340) packages are the space-saving 16-pin SSOP surface mount and 14-pin SOIC surface mount. All are specified from –40°C to 85°C and operate from –55°C to 125°C. A SPICE macromodel is available for design analysis.
