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OPA628AU

更新时间： 2024-11-03 22:38:55
品牌 Logo 应用领域
BB 运算放大器
页数 文件大小 规格书
13页 175K
描述
Low Distortion Wideband OPERATIONAL AMPLIFIER

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中文翻译

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OPA628AU 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：SOP, SOP8,.25Reach Compliance Code：unknown
风险等级：5.91放大器类型：OPERATIONAL AMPLIFIER
架构：VOLTAGE-FEEDBACK最大平均偏置电流 (IIB)：30 µA
25C 时的最大偏置电流 (IIB)：30 µA最小共模抑制比：90 dB
标称共模抑制比：105 dB频率补偿：YES
最大输入失调电压：1000 µVJESD-30 代码：R-PDSO-G8
JESD-609代码：e0低-偏置：NO
低-失调：NO微功率：NO
负供电电压上限：-7 V标称负供电电压 (Vsup)：-5 V
功能数量：1端子数量：8
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：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE功率：NO
电源：+-5 V可编程功率：NO
认证状态：Not Qualified标称压摆率：310 V/us
子类别：Operational Amplifier最大压摆率：35 mA
供电电压上限：7 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：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL最小电压增益：32000
宽带：YES

OPA628AU 数据手册

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®
OPA628  
OPA628  
Low Distortion Wideband  
OPERATIONAL AMPLIFIER  
FEATURES  
● EXCELLENT DIFFERENTIAL GAIN: 0.015%  
● EXCELLENT DIFFERENTIAL PHASE: 0.015°  
● LOW DISTORTION: 90dB SFDR  
APPLICATIONS  
● BROADCAST QUALITY VIDEO  
● MEDICAL IMAGING  
● LOW NOISE PREAMPLIFIER  
● PRECISION ADC/DAC BUFFER  
● TELECOMMUNICATIONS  
● ANALYTICAL INSTRUMENTS  
● ACTIVE FILTERS  
● TWO-TONE THIRD-ORDER INTERCEPT:  
60dBm  
● LOW NOISE: 2.5nV/√Hz  
● LOW NOISE FIGURE: 9dB  
● BANDWIDTH (Gain = +1): 160MHz  
● 0.1dB GAIN FLATNESS: 30MHz  
● LOW OFFSET VOLTAGE: 500µV  
● DC RESTORATION CIRCUITS  
DESCRIPTION  
The OPA628 is a low distortion, wideband operational  
amplifier. It features low differential gain error of  
0.015% and low differential phase error of 0.015° at  
NTSC and PAL frequencies with a 150Ω load (a back-  
terminated 75Ω cable). The 0.1dB gain flatness to  
30MHz, and the excellent differential gain and phase  
make the OPA628 ideal for broadcast quality video  
applications. In addition, the spurious free dynamic  
range of 90dB makes the OPA628 an excellent choice  
to buffer the input of precision Analog-to-Digital con-  
verters. It can also be used to provide a buffer for the  
output of precision high speed Digital-to-Analog con-  
verters. The two-tone third-order intercept of the  
OPA628 is 60dBm.  
additionally enhanced by separating the power sup-  
plies to the input and output stages requiring four  
power supply connections as shown in the block  
diagram below. This separation of supplies eliminates  
the effects of package and wire bond parasitic capaci-  
tance and inductance. The OPA628 is powered with  
±5VDC supplies for low power dissipation. The  
OPA628 is available in 8-pin SOIC package. The  
temperature range is –40°C to +85°C.  
+VCC, Input Stage  
8
+VCC, Output Stage  
7
Active  
Load  
The OPA628 is a unity gain stable, voltage feedback  
operational amplifier. It has all of the benefits asso-  
ciated with voltage feedback amplifiers including  
high input impedance, high common mode rejection,  
and symmetrical differential input flexibility. The  
unity gain bandwidth of the OPA628 is 160MHz. The  
low noise of 2.5nV/√Hz and low noise figure of 9dB  
(RS = 50Ω) make the OPA628 very useful in preci-  
sion applications requiring wide dynamic range.  
6
Non-Inverting  
+1  
Input  
3
Output  
2
Inverting  
Input  
The superior distortion performance of the OPA628 is  
achieved by its multistage architecture which provides  
high open-loop gain. The distortion performance is  
5
4
–VCC, Output Stage  
–VCC, Input Stage  
International Airport Industrial Park  
•
Mailing Address: PO Box 11400, Tucson, AZ 85734  
FAXLine: (800) 548-6133 (US/Canada Only)  
• Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111  
Internet: http://www.burr-brown.com/  
•
•
Cable: BBRCORP  
•
Telex: 066-6491  
•
FAX: (520) 889-1510  
•
Immediate Product Info: (800) 548-6132  
©1993 Burr-Brown Corporation  
PDS-1204B  
Printed in U.S.A. March, 1998  
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中文翻译

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