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High-speed op amps (GBW ≥ 50 MHz)

OPA2690

ACTIVE

Dual Wideband, Voltage Feedback Operational Amplifier with Disable

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Data sheet

OPA2690

ACTIVE
Data sheet Order now

Product details

Architecture Voltage FB Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 500 BW at Acl (MHz) 500 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 1800 Vn at flatband (typ) (nV√Hz) 5.5 Vn at 1 kHz (typ) (nV√Hz) 5.5 Iq per channel (typ) (mA) 5.5 Vos (offset voltage at 25°C) (max) (mV) 4.5 Rail-to-rail No Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 65 Input bias current (max) (pA) 11000000 Offset drift (typ) (µV/°C) 12 Iout (typ) (mA) 190 2nd harmonic (dBc) 68 3rd harmonic (dBc) 70 Frequency of harmonic distortion measurement (MHz) 5
Architecture Voltage FB Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 500 BW at Acl (MHz) 500 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 1800 Vn at flatband (typ) (nV√Hz) 5.5 Vn at 1 kHz (typ) (nV√Hz) 5.5 Iq per channel (typ) (mA) 5.5 Vos (offset voltage at 25°C) (max) (mV) 4.5 Rail-to-rail No Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 65 Input bias current (max) (pA) 11000000 Offset drift (typ) (µV/°C) 12 Iout (typ) (mA) 190 2nd harmonic (dBc) 68 3rd harmonic (dBc) 70 Frequency of harmonic distortion measurement (MHz) 5
SOIC (D) 14 51.9 mm² 8.65 x 6 SOIC (D) 8 29.4 mm² 4.9 x 6
  • FLEXIBLE SUPPLY RANGE:
    +5V to +12V Single Supply
    ±2.5V to ±6V Dual Supply
  • WIDEBAND +5V OPERATION: 220MHz (G = 2)
  • HIGH OUTPUT CURRENT: 190mA
  • OUTPUT VOLTAGE SWING: ±4.0V
  • HIGH SLEW RATE: 1800V/µs
  • LOW SUPPLY CURRENT: 5.5mA/ch
  • LOW DISABLE CURRENT: 100µA/ch
  • APPLICATIONS
    • VIDEO LINE DRIVING
    • xDSL LINE DRIVER/RECEIVER
    • HIGH-SPEED IMAGING CHANNELS
    • ADC BUFFERS
    • PORTABLE INSTRUMENTS
    • TRANSIMPEDANCE AMPLIFIERS
    • ACTIVE FILTERS
  • FLEXIBLE SUPPLY RANGE:
    +5V to +12V Single Supply
    ±2.5V to ±6V Dual Supply
  • WIDEBAND +5V OPERATION: 220MHz (G = 2)
  • HIGH OUTPUT CURRENT: 190mA
  • OUTPUT VOLTAGE SWING: ±4.0V
  • HIGH SLEW RATE: 1800V/µs
  • LOW SUPPLY CURRENT: 5.5mA/ch
  • LOW DISABLE CURRENT: 100µA/ch
  • APPLICATIONS
    • VIDEO LINE DRIVING
    • xDSL LINE DRIVER/RECEIVER
    • HIGH-SPEED IMAGING CHANNELS
    • ADC BUFFERS
    • PORTABLE INSTRUMENTS
    • TRANSIMPEDANCE AMPLIFIERS
    • ACTIVE FILTERS

The OPA2690 represents a major step forward in unity-gain stable, voltage-feedback op amps. A new internal architecture provides slew rate and full-power bandwidth previously found only in wideband, current-feedback op amps. A new output stage architecture delivers high currents with a minimal headroom requirement. These give exceptional single-supply operation. Using a single +5V supply, the OPA2690 can deliver a 1V to 4V output swing with over 120mA drive current and 150MHz bandwidth. This combination of features makes the OPA2690 an ideal RGB line driver or single-supply Analog-to-Digital Converter (ADC) input driver.

The low 5.5mA/ch supply current of the OPA2690 is precisely trimmed at +25°C. This trim, along with low temperature drift, provides lower maximum supply current than competing products. System power may be reduced further using the optional disable control pin. Leaving this disable pin open, or holding it HIGH, will operate the OPA2690I-14D normally. If pulled LOW, the OPA2690I-14D supply current drops to less than 200µA/ch while the output goes to a high-impedance state.

The OPA2690 represents a major step forward in unity-gain stable, voltage-feedback op amps. A new internal architecture provides slew rate and full-power bandwidth previously found only in wideband, current-feedback op amps. A new output stage architecture delivers high currents with a minimal headroom requirement. These give exceptional single-supply operation. Using a single +5V supply, the OPA2690 can deliver a 1V to 4V output swing with over 120mA drive current and 150MHz bandwidth. This combination of features makes the OPA2690 an ideal RGB line driver or single-supply Analog-to-Digital Converter (ADC) input driver.

The low 5.5mA/ch supply current of the OPA2690 is precisely trimmed at +25°C. This trim, along with low temperature drift, provides lower maximum supply current than competing products. System power may be reduced further using the optional disable control pin. Leaving this disable pin open, or holding it HIGH, will operate the OPA2690I-14D normally. If pulled LOW, the OPA2690I-14D supply current drops to less than 200µA/ch while the output goes to a high-impedance state.
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Type Title Date
* Data sheet Dual, Wideband, Voltage-Feedback Operational Amplifier with Disable datasheet (Rev. G) 04 Mar 2010
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
Application note Design for a Wideband Differential Transimpedance DAC Output (Rev. A) 17 Oct 2016
Application note RLC Filter Design for ADC Interface Applications (Rev. A) 13 May 2015
User guide DEM-OPA-SO-2A User's Guide (Rev. B) 30 Apr 2010
Application note Wireline Data Transmission and Reception 27 Jan 2010
Application note Design for a Wideband Differential Transimpedance DAC Output 18 Apr 2008
User guide DEM-OPA-SO-2D User's Guide (Rev. A) 25 May 2006
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 Jan 2005
Application note ADS5500, OPA695: PC Board Layout for Low Distortion High-Speed ADC Drivers 22 Apr 2004
Application note Measuring Board Parasitics in High-Speed Analog Design 07 Jul 2003

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