OPA177 精密双极运算放大器具有超低的失调电压和温漂。激光修整失调电压、温漂和输入偏置电流基本上消除了成本高昂的外部修整。得益于高性能和低成本,此类器件成为各种精密仪表的理想选择。
OPA177 的低静态电流显著降低了由于输入互连中的热电效应而导致的预热温漂和误差。OPA177 为斩波稳定型放大器提供了有效的替代方案。OPA177 的低噪声有助于尽可能保持信号完整性。
OPA177 提供多种性能级别的输出。封装选项包括 8 引脚塑料 DIP 和 SO-8 表面贴装型封装。
| Number of channels | 1 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 36 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 6 |
| Vos (offset voltage at 25°C) (max) (mV) | 0.025 |
| GBW (typ) (MHz) | 0.6 |
| Slew rate (typ) (V/µs) | 0.3 |
| Rail-to-rail | No |
| Offset drift (typ) (µV/°C) | 0.1 |
| Iq per channel (typ) (mA) | 1.3 |
| Vn at 1 kHz (typ) (nV√Hz) | 7.5 |
| CMRR (typ) (dB) | 140 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| Input bias current (max) (pA) | 2000 |
| Iout (typ) (A) | 0.022 |
| Architecture | Bipolar |
| Input common mode headroom (to negative supply) (typ) (V) | 1 |
| Input common mode headroom (to positive supply) (typ) (V) | -1 |
| Output swing headroom (to negative supply) (typ) (V) | 1 |
| Output swing headroom (to positive supply) (typ) (V) | -1 |
| PDIP (P) | 8 | 92.5083 mm² 9.81 x 9.43 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |