The OPAx320-Q1 (OPA320-Q1, OPA2320-Q1) device is a new generation of precision low-voltage CMOS operational amplifiers (op amps) optimized for very low noise and wide bandwidth and operate on a low quiescent current of only 1.45 mA.
The OPAx320-Q1 device is ideal for low-power, single-supply applications. Low-noise (7 nV/vHz) and high-speed operation also makes the device well-suited for driving sampling analog-to-digital converters (ADCs). Other applications include signal conditioning and sensor amplification.
The OPAx320-Q1 device features a linear input stage with zero-crossover distortion that delivers excellent common-mode rejection ratio (CMRR) of 114 dB (typical) over the full input range. The input common-mode range extends 100 mV beyond the negative and positive supply rails. The output voltage typically swings within 10 mV of the rails.
In addition, the OPAx320-Q1 device has a wide supply voltage range from 1.8 to 5.5 V with excellent PSRR (106 dB) over the entire supply range, making the device suitable for precision, low-power applications that run directly from batteries without regulation.
The OPAx320-Q1 device is available in an 8-pin VSSOP (DGK) package.
| Status | ACTIVE |
| Number of channels | 1 |
| Total Supply Voltage | 1.8 |
| Vos (offset voltage @ 25 C) | 0.15 |
| GBW | 20 |
| Slew Rate | 10 |
| Rail-to-rail | In^Out |
| Offset drift | 1.5 |
| Iq per channel | 1.5 |
| Vn at 1 kHz | 8.5 |
| CMRR | 114 |
| Rating | Automotive |
| Operating temperature range | -40 to 125 |
| Package Group | SOT-23|5 |
| Approx. price | 0.94 | 1ku |
| Package size: mm2:W x L (PKG) | [pf]5SOT-23[/pf]: 8 mm2: 2.8 x 2.9 (SOT-23|5) |
| Input bias current | 0.9 |
| Output current | 65 |
| Features | EMI Hardened^Shutdown^Zero Crossover |
| Architecture | CMOS |
| Input common mode headroom (to negative supply) | -0.1 |
| Input common mode headroom (to positive supply) | 0.1 |
| Output swing headroom (to negative supply) | 0.01 |
| Output swing headroom (to positive supply) | -0.01 |