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Single, high-voltage low-distortion current-feedback operational amplifier

THS3091DDAR General Description

The THS3091DDAR is a versatile high-voltage amplifier designed for a wide range of applications. With its ability to operate on a supply range of ±5 V to ±16 V, this amplifier is a perfect choice for applications requiring large, linear output signals such as pin drivers, power-FET drivers, and arbitrary waveform generators. Its high-speed performance, low-distortion output, and high current-drive capabilities make it a top choice for demanding applications

Key Features

  • Low distortion:
    • 84-dBc HD2 at 10 MHz, R L = 1 kΩ
    • 99-dBc HD3 at 10 MHz, R L = 1 kΩ
  • Low noise:
    • 15-pA/√ Hz noninverting current noise
    • 14-pA/√ Hz inverting current noise
    • 1.1-nV/√ Hz voltage noise
  • High slew rate: 6000 V/µs (G = 5, V O = 20 V PP)
  • Wide bandwidth: 305 MHz (G = 2, R L = 100 Ω)
  • High output current drive: ±310 mA
  • Wide supply range: ±5 V to ±16 V
  • Power-down feature: THS3095 only


  • THS3091DDAR essential for industrial automation systems
  • Low distortion and high speed for accurate signal processing


Source Content uid THS3091DDAR Pbfree Code Yes
Part Life Cycle Code Active Pin Count 8
Reach Compliance Code compliant ECCN Code EAR99
HTS Code 8542.33.00.01 Amplifier Type OPERATIONAL AMPLIFIER
Frequency Compensation YES JESD-30 Code R-PDSO-G8
Low-Bias NO Low-Offset NO
Micropower NO Moisture Sensitivity Level 1
Number of Functions 1 Number of Terminals 8
Packing Method TR, 13 INCH Peak Reflow Temperature (Cel) 260
Power NO Programmable Power NO
Surface Mount YES Temperature Grade INDUSTRIAL
Terminal Finish Matte Tin (Sn) Terminal Form GULL WING
Terminal Position DUAL Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Wideband YES Architecture Current FB
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 10
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 32 GBW (typ) (MHz) 305
BW at Acl (MHz) 715 Acl, min spec gain (V/V) 1
Slew rate (typ) (V/µs) 6000 Vn at flatband (typ) (nV√Hz) 1.1
Vn at 1 kHz (typ) (nV√Hz) 1.1 Iq per channel (typ) (mA) 9.5
Vos (offset voltage at 25°C) (max) (mV) 2 Rail-to-rail No
Rating Catalog Operating temperature range (°C) -40 to 85
CMRR (typ) (dB) 78 Input bias current (max) (pA) 15000000
Offset drift (typ) (µV/°C) 10 Iout (typ) (mA) 300
2nd harmonic (dBc) -84 3rd harmonic (dBc) 99
Frequency of harmonic distortion measurement (MHz) 10

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