OPA129

Features: `ULTRA-LOW BIAS CURRENT: 100fA max`LOW OFFSET: 2mV max`LOW DRIFT: 10V/ max`HIGH OPEN-LOOP GAIN: 94dB min`LOW NOISE: 15nV/Hz at 10kHz`PLASTIC DIP and SOIC PACKAGEApplication· PHOTODETECTOR PREAMP· CHROMATOGRAPHY· ELECTROMETER AMPLIFIERS· MASS SPECTROMETER· pH PROBE AMPLIFIER· ION GAGE MEA...

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OPA129 Picture
SeekIC No. : 004438085 Detail

OPA129: Features: `ULTRA-LOW BIAS CURRENT: 100fA max`LOW OFFSET: 2mV max`LOW DRIFT: 10V/ max`HIGH OPEN-LOOP GAIN: 94dB min`LOW NOISE: 15nV/Hz at 10kHz`PLASTIC DIP and SOIC PACKAGEApplication· PHOTODETECTOR ...

floor Price/Ceiling Price

Part Number:
OPA129
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: 2024/11/21

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Product Details

Description



Features:

`ULTRA-LOW BIAS CURRENT: 100fA max
`LOW OFFSET: 2mV max
`LOW DRIFT: 10V/ max
`HIGH OPEN-LOOP GAIN: 94dB min
`LOW NOISE: 15nV/Hz at 10kHz
`PLASTIC DIP and SOIC PACKAGE



Application

· PHOTODETECTOR PREAMP
· CHROMATOGRAPHY
· ELECTROMETER AMPLIFIERS
· MASS SPECTROMETER
· pH PROBE AMPLIFIER
· ION GAGE MEASUREMENT



Pinout

  Connection Diagram


Specifications

Power Supply Voltage ........................±18V
Differential Input Voltage.....................V to V+
Input Voltage Range .......................V to V+
Storage Temperature Range ...............40 to +125
Operating Temperature Range ..............40 to +125
Lead Temperature (soldering, 10s; SOIC 3s) ............+300
Output Short Circuit Duration(1) ................ Continuous
Junction Temperature (TJ)  ..................... +150


NOTE: (1) Short circuit may be to power supply common at +25 ambient.




Description

The OPA129 is an ultra-low bias current monolithic operational amplifier offered in an 8-pin PDIP and SO-8 package. Using advanced geometry dielectrically-isolated FET (Difet®) inputs, this monolithic amplifier achieves a high performance level.

Difet fabrication eliminates isolation-junction leakage current-the main contributor to input bias current with conventional monolithic FETs. This reduces input bias current by a factor of 10 to 100. Very low input bias current can be achieved without resorting to small-geometry FETs or CMOS designs which can suffer from much larger offset voltage, voltage noise, drift, and poor power supply rejection.

The OPA129's special pinout eliminates leakage current that occurs with other op amps. Pins 1 and 4 have no internal connection, allowing circuit board guard traces-even with the surface-mount package version.

OPA129 is available in 8-pin DIP and SO-8 packages, specified for operation from 40 to +85.




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