OPA4141 - 10MHz, Single Supply, Low Noise, JFET Precision Amplifier

Updated : 2020-01-09 14:21:28
Description

The OPA141, OPA2141, and OPA4141 amplifier family is a series of low-power JFET input amplifiers that feature good drift and low input bias current. The rail-to-rail output swing and input range that includes V– allow designers to take advantage of the low-noise characteristics of JFET amplifiers while also interfacing to modern, single-supply, precision analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).

The OPA141 achieves 10MHz unity-gain bandwidth and 20V/µs slew rate while consuming only 1.8mA (typ) of quiescent current. It runs on a single 4.5 to 36V supply or dual ±2.25V to ±18V supplies.

All versions are fully specified from –40°C to +125°C for use in the most challenging environments. The OPA141 (single) and OPA2141 (dual) versions are available in both MSOP-8 and SO-8 packages; the OPA4141 (quad) is available in the SO-14 and TSSOP-14 packages.

Products containing the "OPA4141" keyword are: OPA4141AID , OPA4141AID , OPA4141AIDR , OPA4141AIDR , OPA4141AIPW , OPA4141AIPW , OPA4141AIPWR , OPA4141AIPWR
Features

  • Low Supply Current: 2.3mA max
  • Low Offset Drift: 10µV/°C max
  • Low Input Bias Current: 20pA max
  • Very Low 1/f Noise: 250nVPP
  • Low Noise: 6.5nV/√Hz
  • Wide Bandwidth: 10MHz
  • Slew Rate: 20V/µs
  • Input Voltage Range Includes V–
  • Rail-to-Rail Output
  • Single-Supply Operation: 4.5V to 36V
  • Dual-Supply Operation: ±2.25V to ±18V
  • No Phase Reversal
  • MSOP-8, TSSOP Packages
  • APPLICATIONS
    • Battery-Powered Instruments
    • Industrial Controls
    • Medical Instrumentation
    • Photodiode Amplifiers
    • Active Filters
    • Data Acquisition Systems
    • Portable Audio
    • Automatic Test Systems

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Parametrics
StatusACTIVE
Approx. price1.90 | 1ku
Number of channels4
Total Supply Voltage4.5
Rail-to-railIn to V-^Out
GBW10
Slew Rate20
Package GroupSOIC|14
Vos (offset voltage @ 25 C)3.5
Iq per channel1.8
Vn at 1 kHz6.5
RatingCatalog
Operating temperature range-40 to 125
Package size: mm2:W x L (PKG)[pf]14SOIC[/pf]: 52 mm2: 6 x 8.65 (SOIC|14)
Offset drift2
FeaturesN/A
Input bias current20
CMRR126
Output current30
ArchitectureFET
Radiation, TID
Radiation, SEL
Input common mode headroom (to negative supply)-0.1
Input common mode headroom (to positive supply)-3.5
Output swing headroom (to negative supply)0.35
Output swing headroom (to positive supply)-0.35