The OPA379 family of micropower, low-voltage operational amplifiers is designed for battery-powered applications. These amplifiers operate on a supply voltage as low as 1.8V (±0.9V). High-performance, single-supply operation with rail-to-rail capability (10µV max) makes the OPA379 family usefuel for a wide range of applications.
In addition to microSize packages, the OPA379 family of op amps features impressive bandwidth (90kHz), low bias current (5pA), and low noise (80nV/√Hz) relative to the very low quiescent current (5.5µA max).
The OPA379 (single) is available in SC70-5, SOT23-5, and SO-8 packages. The OPA2379 (dual)comes in SOT23-8 and SO-8 packages. The OPA4379 (quad) is offered in a TSSOP-14 package. All version are specified from -40°C to +125°C.
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| 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) | 1.8 |
| Rail-to-rail | In, Out |
| GBW (typ) (MHz) | 0.09 |
| Slew rate (typ) (V/µs) | 0.03 |
| Vos (offset voltage at 25°C) (max) (mV) | 1.5 |
| Iq per channel (typ) (mA) | 0.0029 |
| Vn at 1 kHz (typ) (nV√Hz) | 80 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 125 |
| Offset drift (typ) (µV/°C) | 2.7 |
| Features | EMI Hardened |
| Input bias current (max) (pA) | 50 |
| CMRR (typ) (dB) | 100 |
| Iout (typ) (A) | 0.005 |
| Architecture | CMOS |
| Input common mode headroom (to negative supply) (typ) (V) | 0.0055 |
| Input common mode headroom (to positive supply) (typ) (V) | 0.0029 |
| Output swing headroom (to negative supply) (typ) (V) | 0.005 |
| Output swing headroom (to positive supply) (typ) (V) | -0.005 |
| TSSOP (PW) | 14 | 32 mm² 5 x 6.4 |
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