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数据: OPA659 Wideband, Unity-Gain Stable, JFET-Input Operational Amplifier 数据表
OPA659将超宽带,单位增益稳定的电压反馈运算放大器与JFET输入级相结合,提供超高动态范围放大器用于数据采集应用中的高阻抗缓冲,例如示波器前端放大器和机器视觉应用,例如晶圆检测中使用的光电二极管跨阻放大器。
宽的650 MHz单位增益带宽得到了很好的补充。高2550-V /μs压摆率。
JFET输入提供的高输入阻抗和低偏置电流由低8.9-nV /& radic支持: Hz 输入电压噪声,以在宽带光电二极管跨阻抗应用中实现非常低的集成噪声。
此器件的高350 MHz增益带宽乘积可实现宽跨阻带宽。
如果需要较低的静态电流,请考虑OPA656。在不需要单位增益稳定性的情况下,请考虑OPA657。
Architecture |
Number of Channels (#) |
Total Supply Voltage (Min) (+5V=5, +/-5V=10) |
Total Supply Voltage (Max) (+5V=5, +/-5V=10) |
BW @ Acl (MHz) |
Acl, min spec gain (V/V) |
Slew Rate (Typ) (V/us) |
Vn at Flatband (Typ) (nV/rtHz) |
Vn at 1kHz (Typ) (nV/rtHz) |
Iq per channel (Typ) (mA) |
Vos (Offset Voltage @ 25C) (Max) (mV) |
Rail-to-Rail |
Features |
Rating |
Operating Temperature Range (C) |
Package Group |
Package Size: mm2:W x L (PKG) |
CMRR (Typ) (dB) |
Input Bias Current (Max) (pA) |
Offset Drift (Typ) (uV/C) |
GBW (Typ) (MHz) |
Output Current (Typ) (mA) |
2nd Harmonic (dBc) |
3rd Harmonic (dBc) |
@ MHz |
OPA659 | OPA653 | OPA656 | OPA657 |
---|---|---|---|
FET Voltage FB | FET | FET Voltage FB | FET Voltage FB |
1 | 1 | 1 | 1 |
7 | 7 | 7 | 8 |
13 | 13 | 13 | 12 |
650 | 500 | 500 | 350 |
2 | 2 | 1 | 7 |
2550 | 2675 | 290 | 700 |
8.9 | 6.1 | 7 | 4.8 |
8.9 | 6.1 | 10 | 7 |
30.5 | 32 | 14 | 14 |
5 | 5 | 0.6 | 1.8 |
No | No | No | No |
N/A | Decompensated | N/A | Decompensated |
Catalog | Catalog | Catalog | Catalog |
-40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
SON SOT-23 | SON SOT-23 | SOIC SOT-23 | SOIC SOT-23 |
See datasheet (SON) 5SOT-23: 8 mm2: 2.8 x 2.9(SOT-23) | See datasheet (SON) 5SOT-23: 8 mm2: 2.8 x 2.9(SOT-23) | 8SOIC: 29 mm2: 6 x 4.9(SOIC) 5SOT-23: 8 mm2: 2.8 x 2.9(SOT-23) | 8SOIC: 29 mm2: 6 x 4.9(SOIC) 5SOT-23: 8 mm2: 2.8 x 2.9(SOT-23) |
70 | 66 | 86 | 89 |
50 | 50 | 5 | 20 |
10 | 10 | 2 | 2 |
650 | 500 | 500 | 1600 |
70 | 70 | 70 | 70 |
79 | 75 | 71 | 74 |
100 | 96 | 81 | 106 |
10 | 10 | 5 | 5 |