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OPA129U PDF预览

OPA129U

更新时间: 2024-11-11 22:27:59
品牌 Logo 应用领域
BB 运算放大器放大器电路光电二极管
页数 文件大小 规格书
7页 642K
描述
Ultra-Low Bias Current Difet OPERATIONAL AMPLIFIER

OPA129U 技术参数

是否Rohs认证:不符合生命周期:Transferred
包装说明:SO-8Reach Compliance Code:unknown
风险等级:5.78Is Samacsys:N
放大器类型:OPERATIONAL AMPLIFIER架构:VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB):2.5e-7 µA最小共模抑制比:80 dB
标称共模抑制比:118 dB频率补偿:YES
最大输入失调电压:5000 µVJESD-30 代码:R-PDSO-G8
JESD-609代码:e0低-偏置:YES
低-失调:NO微功率:NO
负供电电压上限:-18 V标称负供电电压 (Vsup):-15 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:+-15 V可编程功率:NO
认证状态:Not Qualified最小摆率:1 V/us
标称压摆率:2.5 V/us子类别:Operational Amplifier
供电电压上限:18 V标称供电电压 (Vsup):15 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标称均一增益带宽:1000 kHz
最小电压增益:50118.7宽带:NO
Base Number Matches:1

OPA129U 数据手册

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®
OPA129  
Ultra-Low Bias Current Difet®  
OPERATIONAL AMPLIFIER  
FEATURES  
APPLICATIONS  
ULTRA-LOW BIAS CURRENT: 100fA max  
PHOTODETECTOR PREAMP  
LOW OFFSET: 2mV max  
CHROMATOGRAPHY  
LOW DRIFT: 10µV/°C max  
ELECTROMETER AMPLIFIERS  
MASS SPECTROMETER  
pH PROBE AMPLIFIER  
HIGH OPEN-LOOP GAIN: 94dB min  
LOW NOISE: 15nV/Hz at 10kHz  
PLASTIC DIP and SOIC PACKAGE  
ION GAGE MEASUREMENT  
DESCRIPTION  
The OPA129 is an ultra-low bias current mono-  
lithic operational amplifier offered in an 8-pin PDIP  
and SO-8 package. Using advanced geometry  
dielectrically-isolated FET (Difet®) inputs, this mono-  
lithic amplifier achieves a high performance level.  
Substrate  
8
7
V+  
Difet fabrication eliminates isolation-junction leakage  
current—the main contributor to input bias current  
with conventional monolithic FETs. This reduces  
input bias current by a factor of 10 to 100. Very low  
input bias current can be achieved without resorting to  
small-geometry FETs or CMOS designs which can  
suffer from much larger offset voltage, voltage noise,  
drift, and poor power supply rejection.  
–In  
2
3
Noise-Free  
Cascode  
+In  
6
The OPA129's special pinout eliminates leakage cur-  
rent that occurs with other op amps. Pins 1 and 4 have  
no internal connection, allowing circuit board guard  
traces—even with the surface-mount package version.  
Output  
30kΩ  
30kΩ  
OPA129 is available in 8-pin DIP and SO-8 packages,  
specified for operation from –40°C to +85°C.  
5
V–  
Simplified Circuit  
Difet® Burr-Brown Corp.  
International Airport Industrial Park  
Mailing Address: PO Box 11400  
Cable: BBRCORP  
Tucson, AZ 85734  
Street Address: 6730 S. Tucson Blvd.  
Tucson, AZ 85706  
Tel: (520) 746-1111 Twx: 910-952-1111  
Telex: 066-6491  
FAX: (520) 889-1510  
Immediate Product Info: (800) 548-6132  
©1994 Burr-Brown Corporation  
PDS-1195A  
Printed in U.S.A. July, 1994  

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