The OPA377 family of operational amplifiers are wide-bandwidth CMOS amplifiers that provide very low noise, low input bias current, and low offset voltage while operating on a low quiescent current of 0.76mA (typ).
The OPA377 op amps are optimized for low-voltage, single-supply applications. The exceptional combination of ac and dc performance make them ideal for a wide range of applications, including small signal conditioning, audio, and active filters. In addition, these parts have a wide supply range with excellent PSRR, making them attractive for applications that run directly from batteries without regulation.
The OPA377 is available in the SC70-5, SOT23-5, and SO-8 packages. The dual OPA2377 is offered in the SO-8 and MSOP-8, and the quad OPA4377 in the TSSOP-14 packages. All versions are specified for operation 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) | 2.2 |
| Vos (offset voltage at 25°C) (max) (mV) | 1 |
| GBW (typ) (MHz) | 5.5 |
| Features | EMI Hardened |
| Slew rate (typ) (V/µs) | 2 |
| Rail-to-rail | In, Out |
| Offset drift (typ) (µV/°C) | 0.32 |
| Iq per channel (typ) (mA) | 0.76 |
| Vn at 1 kHz (typ) (nV√Hz) | 7.5 |
| CMRR (typ) (dB) | 90 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 125 |
| Input bias current (max) (pA) | 10 |
| Iout (typ) (A) | 0.03 |
| Architecture | CMOS |
| Input common mode headroom (to negative supply) (typ) (V) | -0.1 |
| Input common mode headroom (to positive supply) (typ) (V) | 0.1 |
| Output swing headroom (to negative supply) (typ) (V) | 0.01 |
| Output swing headroom (to positive supply) (typ) (V) | -0.01 |
| THD + N at 1 kHz (typ) (%) | 0.00027 |
| TSSOP (PW) | 14 | 32 mm² 5 x 6.4 |
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