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MFG:BB Package Cooled:SOP
Part Number: OPA121
MFG: BB
Package Cooled: SOP
Description: The OPA121 is a precision monolithic dielectricallyisolated FET (Difet ®
- Table of contents:
OPA121
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DataSheet
General Description
OPA121 General Description
The OPA121 is a precision monolithic dielectricallyisolated FET (Difet ®) operational amplifier. Outstanding performance characteristics are now available for low-cost applications.
Noise, bias current, voltage offset, drift, open-loop gain, common-mode rejection, and power supply rejection are superior to BIFET® amplifiers.
Very low bias current is obtained by dielectric isolation with on-chip guarding.
Laser-trimming of thin-film resistors gives very low offset and drift. Extremely low noise is achieved with new circuit design techniques (patented). 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.
OPA121 Maximum Ratings
Supply ........................................................................................... ±18VDC
Internal Power Dissipation(1) ......................................................... 500mW
Differential Input Voltage .............................................................. ±36VDC
Input Voltage Range ..................................................................... ±18VDC
Storage Temperature Range
M package ...................................................................... 65 to +150
P, U packages ..................................................................55 to +125
Operating Temperature Range
M package ........................................................................ 40 to +85
P, U packages ................................................................... 25 to +85
Lead Temperature
M, P packages (soldering, 10s) ...................................................... +300
U package (soldering, 3s) .............................................................. +260
Output Short-Circuit Duration(2) ............................................... Continuous
Junction Temperature ....................................................................... +175
NOTES: (1) Packages must be derated based on JA = 150/W (P package); JA = 200/W (M package); JA = 100/W (U package). (2) Short circuit may be to power supply common only. Rating applies to +25 ambient. Observe dissipation limit and TJ.
OPA121 Features
` LOW NOISE: 6nV/ÖHz typ at 10kHz
` LOW BIAS CURRENT: 5pA max
` LOW OFFSET: 2mV max
` LOW DRIFT: 3V/ typ
` HIGH OPEN-LOOP GAIN: 110dB min
` HIGH COMMON-MODE REJECTION: 86dB min
` LOW BIAS CURRENT: 5pA max
` LOW OFFSET: 2mV max
` LOW DRIFT: 3V/ typ
` HIGH OPEN-LOOP GAIN: 110dB min
` HIGH COMMON-MODE REJECTION: 86dB min
OPA121 Typical Application
· OPTOELECTRONICS
· DATA ACQUISITION
· TEST EQUIPMENT
· MEDICAL EQUIPMENT
· RADIATION HARD EQUIPMENT
· DATA ACQUISITION
· TEST EQUIPMENT
· MEDICAL EQUIPMENT
· RADIATION HARD EQUIPMENT
OPA121 Connection Diagram
OPA121
PDF/DataSheet Download
- Datasheet: OPA121
- File Size: 93815 KB
- Manufacturer: BURR-BROWN [Burr-Brown Corporation]
- Click here to Download
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