鈭?/div>
Hz max
(10kHz)
q
q
q
q
q
LOW BIAS CURRENT: 1pA max
LOW OFFSET: 250
碌
V max
LOW DRIFT: 1
碌
V/
擄
C max
HIGH OPEN-LOOP GAIN: 120dB min
HIGH COMMON-MODE REJECTION:
100dB min
APPLICATIONS
q
PRECISION INSTRUMENTATION
q
DATA ACQUISITION
q
TEST EQUIPMENT
q
OPTOELECTRONICS
q
MEDICAL EQUIPMENT鈥擟AT SCANNER
q
RADIATION HARD EQUIPMENT
DESCRIPTION
The OPA111 is a precision monolithic dielectrically
isolated FET (
Difet
廬
) operational amplifier. Outstand-
ing performance characteristics allow its use in the
most critical instrumentation applications.
Noise, bias current, voltage offset, drift, open-loop
gain, common-mode rejection, and power supply re-
jection are superior to BIFET
廬
amplifiers.
Very low bias current is obtained by dielectric isola-
tion with on-chip guarding.
Laser trimming of thin-film resistors gives very low
offset and drift. Extremely low noise is achieved with
patented circuit design techniques. A new cascode
design allows high precision input specifications and
reduced susceptibility to flicker noise.
Standard 741 pin configuration allows upgrading of
existing designs to higher performance levels.
Case and
Substrate
8
鈥揑n
2
+In
3
Noise-Free Cascode
*
Output
6
Trim
1
Trim
5
10k鈩?/div>
2k鈩?/div>
2k鈩?/div>
+V
CC
7
10k鈩?/div>
2k鈩?/div>
2k鈩?/div>
鈥揤
CC
4
*Patented
BIFET
廬
National Semiconductor Corp.,
Difet
廬
Burr-Brown Corp.
International Airport Industrial Park 鈥?Mailing Address: PO Box 11400
Tel: (520) 746-1111 鈥?Twx: 910-952-1111 鈥?Cable: BBRCORP 鈥?/div>
漏 1984 Burr-Brown Corporation
鈥?Tucson, AZ 85734 鈥?Street Address: 6730 S. Tucson Blvd. 鈥?Tucson, AZ 85706
Telex: 066-6491 鈥?FAX: (520) 889-1510 鈥?Immediate Product Info: (800) 548-6132
PDS-526K
Printed in U.S.A. August, 1995
OPA111相關(guān)型號PDF文件下載
-
型號
版本
描述
廠商
下載
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英文版
Low Noise Precision Difet OPERATIONAL AMPLIFIER
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