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OPA128SM PDF预览

OPA128SM

更新时间: 2024-09-22 22:27:59
品牌 Logo 应用领域
BB 运算放大器
页数 文件大小 规格书
11页 130K
描述
Difet Electrometer-Grade OPERATIONAL AMPLIFIER

OPA128SM 技术参数

是否Rohs认证: 不符合生命周期:Transferred
Reach Compliance Code:unknown风险等级:5.8
放大器类型:OPERATIONAL AMPLIFIER架构:VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB):0.00017 µA25C 时的最大偏置电流 (IIB):1.5e-7 µA
最小共模抑制比:90 dB标称共模抑制比:104 dB
频率补偿:YES最大输入失调电压:1500 µV
JESD-30 代码:O-MBCY-W8JESD-609代码:e0
低-偏置:YES低-失调: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:125 °C最低工作温度:-55 °C
封装主体材料:METAL封装等效代码:CAN8,.2
封装形状:ROUND封装形式:CYLINDRICAL
电源:+-15 V认证状态:Not Qualified
最小摆率:1 V/us标称压摆率:3 V/us
子类别:Operational Amplifier最大压摆率:4 mA
供电电压上限:18 V标称供电电压 (Vsup):15 V
表面贴装:NO技术:BIPOLAR
温度等级:MILITARY端子面层:Tin/Lead (Sn/Pb)
端子形式:WIRE端子位置:BOTTOM
标称均一增益带宽:1000 kHz最小电压增益:320000
Base Number Matches:1

OPA128SM 数据手册

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®
OPA128  
Difet® Electrometer-Grade  
OPERATIONAL AMPLIFIER  
FEATURES  
APPLICATIONS  
ULTRA-LOW BIAS CURRENT: 75fA max  
ELECTROMETER  
MASS SPECTROMETER  
CHROMATOGRAPH  
ION GAUGE  
LOW OFFSET: 500µV max  
LOW DRIFT: 5µV/°C max  
HIGH OPEN-LOOP GAIN: 110dB min  
HIGH COMMON-MODE REJECTION:  
PHOTODETECTOR  
90dB min  
RADIATION-HARD EQUIPMENT  
IMPROVED REPLACEMENT FOR AD515  
AND AD549  
DESCRIPTION  
Case (Guard)  
8
The OPA128 is an ultra-low bias current monolithic  
operational amplifier. Using advanced geometry  
dielectrically-isolated FET (Difet®) inputs, this mono-  
lithic amplifier achieves a performance level exceed-  
ing even the best hybrid electrometer amplifiers.  
7
+V  
CC  
–In  
2
Laser-trimmed thin-film resistors give outstanding volt-  
age offset and drift performance.  
3
A noise-free cascode and low-noise processing give  
the OPA128 excellent low-level signal handling capa-  
bilities. Flicker noise is very low.  
Noise-Free  
Cascode  
+In  
6
Output  
The OPA128 is an improved pin-for-pin replacement  
for the AD515.  
28kΩ  
2kΩ  
28kΩ  
2kΩ  
Trim  
1
1kΩ  
1kΩ  
Difet® Burr-Brown Corp.  
5
Trim  
4
–V  
CC  
OPA128 Simplified Circuit  
International Airport Industrial Park  
Mailing Address: PO Box 11400, Tucson, AZ 85734  
Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706  
Telex: 066-6491 FAX: (520) 889-1510  
• Tel: (520) 746-1111 • Twx: 910-952-1111  
Internet: http://www.burr-brown.com/  
FAXLine: (800) 548-6133 (US/Canada Only) Cable: BBRCORP  
Immediate Product Info: (800) 548-6132  
©1986 Burr-Brown Corporation  
PDS-653E  
Printed in U.S.A. May, 1995  
SBOS148  

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