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OPA657NB/250G4

更新时间： 2024-10-28 11:07:55
品牌 Logo 应用领域
德州仪器 - TI 放大器光电二极管运算放大器放大器电路
页数 文件大小 规格书
20页 389K
描述
1.6GHz、低噪声、FET 输入运算放大器 | DBV | 5 | -40 to 85

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OPA657NB/250G4 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOT-23
包装说明：LSSOP, TSOP5/6,.11,37针数：5
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01Factory Lead Time：6 weeks
风险等级：5.43放大器类型：OPERATIONAL AMPLIFIER
架构：VOLTAGE-FEEDBACK最大平均偏置电流 (IIB)：0.00002 µA
25C 时的最大偏置电流 (IIB)：0.000005 µA最小共模抑制比：83 dB
标称共模抑制比：89 dB频率补偿：YES (AVCL>=7)
最大输入失调电流 (IIO)：0.00001 µA最大输入失调电压：1800 µV
JESD-30 代码：R-PDSO-G5JESD-609代码：e4
长度：2.9 mm低-偏置：YES
低-失调：YES微功率：NO
湿度敏感等级：2负供电电压上限：-6.5 V
标称负供电电压 (Vsup)：-5 V功能数量：1
端子数量：5最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：LSSOP封装等效代码：TSOP5/6,.11,37
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
包装方法：TR峰值回流温度（摄氏度）：260
功率：NO电源：+-5 V
可编程功率：NO认证状态：Not Qualified
座面最大高度：1.45 mm标称压摆率：700 V/us
子类别：Operational Amplifier最大压摆率：16 mA
供电电压上限：6.5 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：BIPOLAR
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.95 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
标称均一增益带宽：1600000 kHz最小电压增益：1410
宽带：YES宽度：1.6 mm

OPA657NB/250G4 数据手册

 浏览型号OPA657NB/250G4的Datasheet PDF文件第2页浏览型号OPA657NB/250G4的Datasheet PDF文件第3页浏览型号OPA657NB/250G4的Datasheet PDF文件第4页浏览型号OPA657NB/250G4的Datasheet PDF文件第5页浏览型号OPA657NB/250G4的Datasheet PDF文件第6页浏览型号OPA657NB/250G4的Datasheet PDF文件第7页 
OPA657  
OPA657  
SBOS197B – DECEMBER 2001 – REVISED MAY 2004  
1.6GHz, Low-Noise, FET-Input  
OPERATIONAL AMPLIFIER  
FEATURES  
DESCRIPTION  
The OPA657 combines a high gain bandwidth, low distor-tion,  
voltage-feedback op amp with a low voltage noise JFET-input  
stage to offer a very high dynamic range amplifier for high  
precision ADC (Analog-to-Digital Converter) driving or wideband  
transimpedance applications. Photodiode applications will see  
improved noise and bandwidth using this decompensated,  
high gain bandwidth amplifier.  
● HIGH GAIN BANDWIDTH PRODUCT: 1.6GHz  
● HIGH BANDWIDTH 275MHz (G = +10)  
● LOW INPUT OFFSET VOLTAGE: ±0.25mV  
● LOW INPUT BIAS CURRENT: 2pA  
● LOW INPUT VOLTAGE NOISE: 4.8nV/ Hz  
● HIGH OUTPUT CURRENT: 70mA  
Very low level signals can be significantly amplified in a single  
OPA657 gain stage with exceptional bandwidth and accuracy.  
Having a high 1.6GHz gain bandwidth product will give >  
10MHz signal bandwidths up to gains of 160V/V (44dB). The  
very low input bias current and capacitance will support this  
performance even for relatively high source impedances.  
● FAST OVERDRIVE RECOVERY  
APPLICATIONS  
● WIDEBAND PHOTODIODE AMPLIFIER  
● WAFER SCANNING EQUIPMENT  
● ADC INPUT AMPLIFIER  
Broadband photodetector applications will benefit from the low  
voltage noise JFET inputs for the OPA657. The JFET input  
contributes virtually no current noise while for broadband  
applications, a low voltage noise is also required. The low  
4.8nV/ Hz input voltage noise will provide exceptional input  
sensitivity for higher bandwidth applications. The example  
shown below will give a total equivalent input noise current of  
1.8pA/ Hz over a 10MHz bandwidth.  
● TEST AND MEASUREMENT FRONT END  
● HIGH GAIN PRECISION AMPLIFIER  
RELATED OPERATIONAL AMPLIFIER PRODUCTS  
200kΩ TRANSIMPEDANCE BANDWIDTH  
116  
SLEW VOLTAGE  
10MHz Bandwidth  
VS BW RATE NOISE  
DEVICE (V) (MHz) (V/µS) (nV/√HZ) AMPLIFIER DESCRIPTION  
106  
OPA355 +5 200  
OPA655 ±5 400  
OPA656 ±5 500  
OPA627 ±15 16  
THS4601 ±15 180  
300  
290  
170  
55  
5.80  
6
Unity-Gain Stable CMOS  
Unity-Gain Stable FET-Input  
Unity-Gain Stable FET-Input  
Unity-Gain Stable FET-Input  
Unity-Gain Stable FET-Input  
96  
86  
76  
66  
7
4.5  
5.4  
100  
0.1pF  
200kΩ  
100kHz  
1MHz  
Frequency  
10MHz  
50MHz  
λ
VO  
OPA657  
(12pF)  
–Vb  
Wideband Photodiode Transimpedance Amplifier  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
Copyright © 2001-2004, Texas Instruments Incorporated  
www.ti.com  
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