OPA131 - General Purpose FET-Input Operational Amplifiers

Updated : 2020-01-09 14:19:07
Description

The OPA131 series of FET-input op amps provides high performance at low cost. Single, dual, and quad versions in industry-standard pinouts allow cost-effective design options.

The OPA131 series offers excellent general-purpose performance, including low offset voltage, drift, and good dynamic characteristics.

Single, dual, and quad versions are available in DIP and SO packages. Performance grades include commercial and industrial temperature ranges.

Products containing the "OPA131" keyword are: OPA131P , OPA131PA , OPA131PG4 , OPA131PJ , OPA131PJG4 , OPA131U , OPA131U , OPA131U/2K5 , OPA131U/2K5E4 , OPA131U/2K5G4 , OPA131UA , OPA131UA , OPA131UA/2K5 , OPA131UA/2K5 , OPA131UA/2K5E4 , OPA131UA/2K5G4 , OPA131UAE4 , OPA131UAG4 , OPA131UE4 , OPA131UG4
Features

  • FET INPUT: IB = 50pA max
  • LOW OFFSET VOLTAGE: 750uV max
  • WIDE SUPPLY RANGE: ±4.5V to ±18V
  • SLEW RATE: 10V/us
  • WIDE BANDWIDTH: 4MHz
  • EXCELLENT CAPACITIVE LOAD DRIVE
  • SINGLE, DUAL, QUAD VERSIONS

Parametrics
StatusACTIVE
Number of channels1
Total Supply Voltage9
Vos (offset voltage @ 25 C)0.75
GBW4
Slew Rate10
Rail-to-railIn^Out
Offset drift2
Iq per channel1.5
Vn at 1 kHz15
CMRR80
RatingCatalog
Operating temperature range-55 to 125
Package GroupSOIC|8
Approx. price0.85 | 1ku
Package size: mm2:W x L (PKG)[pf]8SOIC[/pf]: 29 mm2: 6 x 4.9 (SOIC|8)
Input bias current50
Output current25
FeaturesN/A
ArchitectureFET
Input common mode headroom (to negative supply)3.0
Input common mode headroom (to positive supply)-1.0
Output swing headroom (to negative supply)2.5
Output swing headroom (to positive supply)-2.5