数据：
OPA858 具有 5.5GHz 增益带宽积的单位增益稳定型FET输入放大器 数据表 
OPA858是一款具有CMOS输入的超快速，宽带低噪声运算放大器，专为宽带跨阻和通用电压放大器应用设计.5.5GHz极高增益带宽积可为需要高跨阻增益的应用提供支持，且2.5nV /√ Hz 的低电压噪声可实现最大SNR。
OPA858器件采用2mm×2mm，
8引脚WSON封装，具有反馈（FB）引脚，可简化器件的反馈网络连接。此引脚排列在反馈和输入连接间具有隔离引脚，可降低对反馈电容敏感应用应用的寄生耦合。
所有商标均为其各自所有者的财产。
| 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 |
| OPA858 | OPA857 |
|---|---|
| FET Voltage FB | FET Voltage FB |
| 1 | 1 |
| 3.3 | 2.3 |
| 5.25 | 3.6 |
| 1200 | 130 |
| 7 | |
| 2000 | 220 |
| 2.5 | 4.5 |
| 7 | |
| 20.5 | 23.4 |
| 2.5 | 10 |
| No | No |
| Shutdown | N/A |
| Catalog | Catalog |
| -40 to 125 | -40 to 95 |
| WSON | VQFN |
| See datasheet (WSON) | 16VQFN: 9 mm2: 3 x 3(VQFN) |
| 80 | |
| 20 | |
| 1.5 | |
| 5500 | 6800 |
| 80 | 20 |
| 80 | 94 |
| 86 | 97 |
| 10 | 10 |
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