µA741 器件是一款具有失调电压清零功能的通用运算放大器。
此放大器具有高共模输入电压范围且无锁存,因此是电压跟随器 应用的理想选择。该器件
具有短路保护功能,并且内部频率补偿可在无需外部组件的情况下确保稳定性。失调电压清零输入之间可以连接一个低值电位器,从而将失调电压清零,如图 12 所示。
µA741C 器件的额定工作温度范围是 0°C 至 70°C。
| 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) | 7 |
| Rail-to-rail | No |
| GBW (typ) (MHz) | 1 |
| Slew rate (typ) (V/µs) | 0.5 |
| Vos (offset voltage at 25°C) (max) (mV) | 5 |
| Iq per channel (typ) (mA) | 1.7 |
| Vn at 1 kHz (typ) (nV√Hz) | 20 |
| Rating | Catalog |
| Operating temperature range (°C) | 0 to 70 |
| Offset drift (typ) (µV/°C) | 0 |
| Input bias current (max) (pA) | 500000 |
| CMRR (typ) (dB) | 90 |
| Iout (typ) (A) | 0.025 |
| Architecture | Bipolar |
| Input common mode headroom (to negative supply) (typ) (V) | 2 |
| Input common mode headroom (to positive supply) (typ) (V) | -2 |
| Output swing headroom (to negative supply) (typ) (V) | 2 |
| Output swing headroom (to positive supply) (typ) (V) | -2 |
| PDIP (P) | 8 | 92.5083 mm² 9.81 x 9.43 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
| SOP (PS) | 8 | 48.36 mm² 6.2 x 7.8 |