完善资料让更多小伙伴认识你,还能领取20积分哦,立即完善>
OPA145,OPA2145和OPA4145运算放大器系列是一系列低功耗JFET输入放大器,其出色的漂移,低电流噪声和皮安级输入偏置电流等特性使得这些器件成为了放大来自高阻抗传感器的小信号的合适之选。轨至轨输出摆幅可连接至现代单电源精密模数转换器(ADC)和数模转换器(DACs) 。此外,包括V-的输入范围可以让设计人员简化电源管理并充分利用单电源低噪声JFET架构。
所有商标均为他们各自的所有者。
Number of Channels (#) |
Total Supply Voltage (Min) (+5V=5, +/-5V=10) |
Total Supply Voltage (Max) (+5V=5, +/-5V=10) |
GBW (Typ) (MHz) |
Slew Rate (Typ) (V/us) |
Rail-to-Rail |
Vos (Offset Voltage @ 25C) (Max) (mV) |
Offset Drift (Typ) (uV/C) |
Iq per channel (Typ) (mA) |
Vn at 1kHz (Typ) (nV/rtHz) |
CMRR (Typ) (dB) |
Rating |
Operating Temperature Range (C) |
Package Group |
Package Size: mm2:W x L (PKG) |
Input Bias Current (Max) (pA) |
Output Current (Typ) (mA) |
Features |
Architecture |
OPA145 | OPA140 | OPA141 |
---|---|---|
1 | 1 | 1 |
4.5 | 4.5 | 4.5 |
36 | 36 | 36 |
5.5 | 11 | 10 |
20 | 20 | 20 |
In to V- Out | In to V- Out | In to V- Out |
0.15 | 0.12 | 3.5 |
0.4 | 0.35 | 2 |
0.445 | 1.8 | 1.8 |
7 | 5.1 | 6.5 |
140 | 140 | 126 |
Catalog | Catalog | Catalog |
-40 to 125 | -40 to 125 | -40 to 125 |
SOIC VSSOP | SOIC SOT-23 VSSOP | SOIC VSSOP |
8SOIC: 29 mm2: 6 x 4.9(SOIC) 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 8SOIC: 29 mm2: 6 x 4.9(SOIC) 5SOT-23: 8 mm2: 2.8 x 2.9(SOT-23) 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 8SOIC: 29 mm2: 6 x 4.9(SOIC) 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) |
10 | 10 | 20 |
20 | 30 | 30 |
N/A | N/A | N/A |
FET | FET | FET |