OPA180-Q1 和 OPA2180-Q1 运算放大器采用 TI 的专有零漂移技术,可同时提供低失调电压 (75µV),并随时间推移和温度变化实现接近零漂移的性能。这些高精度、低静态电流微型运算放大器提供高输入阻抗和摆幅在电源轨 18mV 之内的轨至轨输出。输入共模范围包括负电源轨。电压范围为 4V 至 36V(±2V 至 ±18V)的单电源或双电源均可使用。
单通道和双通道版本均采用 VSSOP-8 封装。单封装产品 (OPA180-Q1) 的额定温度范围为 –40°C 至 +125°C,双封装 (OPA2180-Q1) 的额定温度范围为 –40°C 至 +105°C。
| Number of channels | 2 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 36 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 4 |
| Vos (offset voltage at 25°C) (max) (mV) | 0.075 |
| GBW (typ) (MHz) | 2 |
| Features | EMI Hardened, Zero Drift |
| Slew rate (typ) (V/µs) | 0.8 |
| Rail-to-rail | In to V-, Out |
| Offset drift (typ) (µV/°C) | 0.1 |
| Iq per channel (typ) (mA) | 0.45 |
| Vn at 1 kHz (typ) (nV√Hz) | 10 |
| CMRR (typ) (dB) | 114 |
| Rating | Automotive |
| Operating temperature range (°C) | -40 to 105 |
| Input bias current (max) (pA) | 1000 |
| Iout (typ) (A) | 0.018 |
| Architecture | CMOS |
| Input common mode headroom (to negative supply) (typ) (V) | 0 |
| Input common mode headroom (to positive supply) (typ) (V) | -1.5 |
| Output swing headroom (to negative supply) (typ) (V) | 0.25 |
| Output swing headroom (to positive supply) (typ) (V) | -0.25 |
| THD + N at 1 kHz (typ) (%) | 0.0001 |
| VSSOP (DGK) | 8 | 14.7 mm² 3 x 4.9 |