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OPA128

Features: ` ULTRA-LOW BIAS CURRENT: 75fA max` LOW OFFSET: 500mV max` LOW DRIFT: 5mV/ max` HIGH OPEN-LOOP GAIN: 110dB min` HIGH COMMON-MODE REJECTION: 90dB min`IMPROVED REPLACEMENT FOR AD515 AND AD549Application· ELECTROMETER· MASS SPECTROMETER· CHROMATOGRAPH· ION GAUGE· PHOTODETECTOR· RADIATION-HA...

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SeekIC No. : 004438084 Detail

OPA128: Features: ` ULTRA-LOW BIAS CURRENT: 75fA max` LOW OFFSET: 500mV max` LOW DRIFT: 5mV/ max` HIGH OPEN-LOOP GAIN: 110dB min` HIGH COMMON-MODE REJECTION: 90dB min`IMPROVED REPLACEMENT FOR AD515 AND AD54...

OPA128 Data Sheet

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Part Number:
OPA128
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/27

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Product Details

Description



Features:

` ULTRA-LOW BIAS CURRENT: 75fA max
` LOW OFFSET: 500mV max
` LOW DRIFT: 5mV/ max
` HIGH OPEN-LOOP GAIN: 110dB min
` HIGH COMMON-MODE REJECTION: 90dB min
` IMPROVED REPLACEMENT FOR AD515 AND AD549


Application

· ELECTROMETER
· MASS SPECTROMETER
· CHROMATOGRAPH
· ION GAUGE
· PHOTODETECTOR
· RADIATION-HARD EQUIPMENT


Specifications

Supply ........................................................................................... ±18VDC
Internal Power Dissipation(1) ......................................................... 500mW
Differential Input Voltage .............................................................. ±36VDC
Input Voltage Range ..................................................................... ±18VDC
Storage Temperature Range ............................................ 65 to +150
Operating Temperature Range ......................................... 55 to +125
Lead Temperature (soldering, 10s) .................................................. +300
Output Short Circuit Duration(2) ............................................... Continuous
Junction Temperature ....................................................................... +175


NOTES: (1) Packages must be derated based on CA = 150/W or JA = 200/W. (2) Short circuit may be to power supply common only. Rating applies to +25 ambient. Observe dissipation limit and TJ.




Description

The OPA128 is an ultra-low bias current monolithic operational amplifier. Using advanced geometry dielectrically-isolated FET (Difet®) inputs, this monolithic amplifier achieves a performance level exceeding even the best hybrid electrometer amplifiers. Laser-trimmed thin-film resistors give outstanding voltage offset and drift performance.

A noise-free cascode and low-noise processing give the OPA128 excellent low-level signal handling capabilities. Flicker noise is very low.

The OPA128 is an improved pin-for-pin replacement for the AD515.




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