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Home » NEWEST Products » New by Manufacturer » Texas Instruments » OPA140 / OPA2140 / OPA4140 JFET Op Amps - TI
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Texas Instruments OPA140 / OPA2140 / OPA4140 JFET Op Amps

TI OPA140 / OPA2140 / OPA4140 JFET Op Amps

Texas Instruments OPA140 / OPA2140 / OPA4140 JFET operational amplifiers (op amps) are 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- allows 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 TI OPA140 / OPA2140 / OPA4140 JFET op amps are ideal for use with a variety of applications, including battery-powered instruments, industrial controls, medical instrumentation, and more.

  • Very Low Offset Drift: 1µV/°C max
  • Very Low Offset: 12µV
  • Low Input Bias Current: 10pA max
  • Very Low 1/f Noise: 250nVPP, 0.1Hz to 10Hz
  • Low Noise: 5.1nV/√Hz
  • Slew Rate: 20V/µs
  • Low Supply Current: 2.0mA max
  • Input Voltage Range Includes V - Supply
  • Single-Supply Operation: 4.5V to 36V
  • Dual-Supply Operation: ±2.25V to ±18V
  • No Phase Reversal
  • Industry-Standard SO Packages
  • MSOP-8, TSSOP, and SOT23 Packages
  • Battery-Powered Instruments
  • Industrial Controls
  • Medical Instrumentation
  • Photodiode Amplifiers
  • Active Filters
  • Data Acquisition Systems
Part Number Number of Channels Offset Drift (Typ) (uV/C)
OPA140 1 1
OPA2140 2 0.35
OPA4140 4 0.35

Diagram: Noise (0.1 to 10Hz)

Diagram: Noise (0.1 to 10Hz)
  • Texas Instruments