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參數資料
| 型號： | OPA124 |
| 英文描述： | Low Noise Precision Difet OPERATIONAL AMPLIFIER |
| 中文描述： | 低噪聲運算放大器精密Difet |
| 文件頁數： | 1/8頁 |
| 文件大小： | 137K |
| 代理商： | OPA124 |
FEATURES
G
LOW NOISE: 6nV/
√
Hz (10kHz)
G
LOW BIAS CURRENT: 1pA max
G
LOW OFFSET: 250
μ
V max
G
LOW DRIFT: 2
μ
V/
°
C max
G
HIGH OPEN-LOOP GAIN: 120dB min
G
HIGH COMMON-MODE REJECTION:
100dB min
G
AVAILABLE IN 8-PIN PLASTIC DIP
AND 8-PIN SOIC PACKAGES
APPLICATIONS
G
PRECISION PHOTODIODE PREAMP
G
MEDICAL EQUIPMENT
G
OPTOELECTRONICS
G
DATA ACQUISITION
G
TEST EQUIPMENT
OPA124
DESCRIPTION
The OPA124 is a precision monolithic FET opera-
tional amplifier using a
Difet
(dielectrical isolation)
manufacturing process. Outstanding DC and AC per-
formance characteristics allow its use in the most
critical instrumentation applications.
Bias current, noise, voltage offset, drift, open-loop
gain, common-mode rejection and power supply re-
jection are superior to BIFET and CMOS amplifiers.
Difet
fabrication achieves extremely low input bias
currents without compromising input voltage noise
performance. Low input bias current is maintained
over a wide input common-mode voltage range with
unique cascode circuitry. This cascode design also
allows high precision input specifications and reduced
susceptibility to flicker noise. Laser trimming of thin-
film resistors gives very low offset and drift.
Compared to the popular OPA111, the OPA124 gives
comparable performance and is available in an 8-pin
PDIP and 8-pin SOIC package.
BIFET
National Semiconductor Corp.,
Difet
Burr-Brown Corp.
Low Noise Precision Difet
OPERATIONAL AMPLIFIER
8
2
3
1
5
7
6
4
Substrate
Output
Trim
(1)
+V
CC
Noise-Free Cascode
(2)
Trim
(1)
+In
–In
–V
CC
2k
2k
2k
10k
10k
NOTES: (1) Omitted on SOIC. (2) Patented.
2k
OPA124 Simplified Circuit
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
1993 Burr-Brown Corporation
PDS-1203C
Printed in U.S.A. March, 1998
OPA124
相關PDF資料 |
PDF描述 |
|---|---|
| OPA124P | Low Noise Precision Difet OPERATIONAL AMPLIFIER |
| OPA124PA | Low Noise Precision Difet OPERATIONAL AMPLIFIER |
| OPA124PB | Low Noise Precision Difet OPERATIONAL AMPLIFIER |
| OPA124U | Low Noise Precision Difet OPERATIONAL AMPLIFIER |
| OPA124UA | Low Noise Precision Difet OPERATIONAL AMPLIFIER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| OPA124P | 制造商:Rochester Electronics LLC 功能描述:FET OP AMP - Bulk |
| OPA124PA | 制造商:Rochester Electronics LLC 功能描述:FET OP AMP - Bulk |
| OPA124PB | 制造商:BB 制造商全稱:BB 功能描述:Low Noise Precision Difet OPERATIONAL AMPLIFIER |
| OPA124U | 功能描述:運算放大器 - 運放 Lo Noise Prec Difet Op Amp RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| OPA124U/2K5 | 功能描述:運算放大器 - 運放 Lo Noise Prec Difet Op Amp RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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