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OPA691

OPA691 Description

Wideband Current Feedback Operational Amplifier with Disable

OPA691 Categories

Current Feedback Amplifiers

OPA691 Manufacturer

Texas Instruments

OPA691 Datasheet (PDF)

OPA691 Datasheet
Wideband, Current Feedback Operational Amplifier With Disable (Rev. D)

OPA691 Price & Availability


Check OPA691 Price & Availability at Canics

OPA691 Features

  • FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual-Supply
  • UNITY-GAIN STABLE: 280MHz (G =1)
  • HIGH OUTPUT CURRENT: 190mA
  • OUTPUT VOLTAGE SWING: ±4.0V
  • HIGH SLEW RATE: 2100V/us
  • LOW dG/d: 0.07%/0.02°
  • LOW SUPPLY CURRENT: 5.1mA
  • LOW DISABLED CURRENT: 150 uA
  • WIDEBAND +5V OPERATION: 190MHz (G = +2)
  • APPLICATIONS
    • xDSL LINE DRIVER
    • BROADBAND VIDEO BUFFERS
    • HIGH-SPEED IMAGING CHANNELS
    • PORTABLE INSTRUMENTS
    • ADC BUFFERS
    • ACTIVE FILTERS
    • WIDEBAND INVERTING SUMMING
    • HIGH SFDR IF AMPLIFIER

OPA691 Parameters

Pin/Package6SOP,8SOIC
Approx. 1KU Price (US$)1.55
Number of Channels1
Iq per channel (Max) (mA)4.5
GBW (Typ) (MHz)2000
Slew Rate (Typ) (V/us)2100
Acl, min stable gain (V/V)1
BW @ Acl (MHz)280
0.1 dB BW Flatness (MHz)90
Vn at Flatband (Typ) (nV/rtHz)1.7
Settling Time (0.1%) (Typ) (ns)8
Noninverting Input Current Noise (pA/rtHz)12
Io (Typ) (mA)190
Vio (Max) (mV)2.5
Offset Voltage Drift (+/-) (Max) (uV/Degrees Celsius)20
THD (Fc=1 MHz) (Typ) (dB)-80
2nd Harmonic (dBc)79
3rd Harmonic (dBc)93
@ Mhz5
Iib (Max) (nA)45000
Diff Gain (%)0.07
Diff Phase (deg)0.02
BW @ G=+2 (MHz)225
Inverting Input Current Noise (pA/rtHz)15
Select parameters and click to see components with these parameters.

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