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參數(shù)資料
| 型號(hào)： | OPA128SM |
| 英文描述： | Difet Electrometer-Grade OPERATIONAL AMPLIFIER |
| 中文描述： | Difet靜電計(jì)級(jí)運(yùn)算放大器 |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大小： | 131K |
| 代理商： | OPA128SM |
Difet
Electrometer-Grade
OPERATIONAL AMPLIFIER
OPA128
Noise-Free
Cascode
1k
Trim
1
5
3
2
+In
–In
Case (Guard)
Output
OPA128 Simplified Circuit
+V
CC
–V
CC
8
7
6
4
28k
1k
2k
2k
Trim
28k
FEATURES
G
ULTRA-LOW BIAS CURRENT: 75fA max
G
LOW OFFSET: 500
μ
V max
G
LOW DRIFT: 5
μ
V/
°
C max
G
HIGH OPEN-LOOP GAIN: 110dB min
G
HIGH COMMON-MODE REJECTION:
90dB min
G
IMPROVED REPLACEMENT FOR AD515
AND AD549
DESCRIPTION
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.
Laser-trimmed thin-film resistors give outstanding volt-
age offset and drift performance.
A noise-free cascode and low-noise processing give
the OPA128 excellent low-level signal handling capa-
bilities. Flicker noise is very low.
The OPA128 is an improved pin-for-pin replacement
for the AD515.
Difet
Burr-Brown Corp.
APPLICATIONS
G
ELECTROMETER
G
MASS SPECTROMETER
G
CHROMATOGRAPH
G
ION GAUGE
G
PHOTODETECTOR
G
RADIATION-HARD EQUIPMENT
1986 Burr-Brown Corporation
PDS-653E
Printed in U.S.A. May, 1995
International Airport Industrial Park Mailing Address: PO Box 11400, Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 Tel: (520) 746-1111 Twx: 910-952-1111
Internet: http://www.burr-brown.com/ FAXLine: (800) 548-6133 (US/Canada Only) Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
SBOS148
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OPA129 | 制造商:BB 制造商全稱:BB 功能描述:Ultra-Low Bias Current Difet OPERATIONAL AMPLIFIER |
| OPA129P | 制造商:BB 制造商全稱:BB 功能描述:Ultra-Low Bias Current Difet OPERATIONAL AMPLIFIER |
| OPA129PB | 制造商:BB 制造商全稱:BB 功能描述:Ultra-Low Bias Current Difet OPERATIONAL AMPLIFIER |
| OPA129U | 功能描述:運(yùn)算放大器 - 運(yùn)放 Ultra-Low Bias Current Difet RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| OPA129UB | 功能描述:運(yùn)算放大器 - 運(yùn)放 Ultra-Low Bias Current Difet RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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