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運算放大器 (op amps)
高速運算放大器 (GBW ≥ 50 MHz)

OPA3695

現行

具停用功能的超寬頻電流回饋運算放大器

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產品規格表

OPA3695

現行
產品規格表 立即訂購

產品詳細資料

Architecture Current FB Number of channels 3 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3.5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 1000 BW at Acl (MHz) 1000 Acl, min spec gain (V/V) 2 Slew rate (typ) (V/µs) 2400 Vn at flatband (typ) (nV√Hz) 1.8 Vn at 1 kHz (typ) (nV√Hz) 1.8 Iq per channel (typ) (mA) 12.9 Vos (offset voltage at 25°C) (max) (mV) 3.5 Rail-to-rail No Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 56 Input bias current (max) (pA) 30000000 Offset drift (typ) (µV/°C) 15 Iout (typ) (mA) 120 2nd harmonic (dBc) 65 3rd harmonic (dBc) 86 Frequency of harmonic distortion measurement (MHz) 10
Architecture Current FB Number of channels 3 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3.5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 1000 BW at Acl (MHz) 1000 Acl, min spec gain (V/V) 2 Slew rate (typ) (V/µs) 2400 Vn at flatband (typ) (nV√Hz) 1.8 Vn at 1 kHz (typ) (nV√Hz) 1.8 Iq per channel (typ) (mA) 12.9 Vos (offset voltage at 25°C) (max) (mV) 3.5 Rail-to-rail No Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 56 Input bias current (max) (pA) 30000000 Offset drift (typ) (µV/°C) 15 Iout (typ) (mA) 120 2nd harmonic (dBc) 65 3rd harmonic (dBc) 86 Frequency of harmonic distortion measurement (MHz) 10
SSOP (DBQ) 16 29.4 mm² 4.9 x 6
  • 900MHz BANDWIDTH, GAIN = +2V/V
  • 450MHz BANDWIDTH, GAIN = +8V/V
  • WIDE OUTPUT VOLTAGE SWING: ±4V
  • ULTRA-HIGH SLEW RATE: 4300V/µs
  • 3RD-ORDER INTERCEPT: > 35dBm (f < 40MHz)
  • LOW 1.8nV/√Hz VOLTAGE NOISE
  • ±120mA OUTPUT CURRENT DRIVE
  • 12.9mA/Ch SUPPLY CURRENT (±5V)
  • LOW 0.1mA/Ch DISABLE CURRENT
  • 3.5V to 12V SINGLE-SUPPLY OPERATION
  • ±1.75V to ±6V SPLIT-SUPPLY OPERATION
  • APPLICATIONS
    • BROADBAND VIDEO LINE DRIVERS
    • VERY WIDEBAND ADC DRIVERS
    • HIGH BANDWIDTH INSTRUMENTATION AMPLIFIERS
    • HIGH-SPEED IMAGING
    • ACTIVE FILTERS
    • ARB WAVEFORM OUTPUT DRIVERS

All other trademarks are the property of their respective owners
  • 900MHz BANDWIDTH, GAIN = +2V/V
  • 450MHz BANDWIDTH, GAIN = +8V/V
  • WIDE OUTPUT VOLTAGE SWING: ±4V
  • ULTRA-HIGH SLEW RATE: 4300V/µs
  • 3RD-ORDER INTERCEPT: > 35dBm (f < 40MHz)
  • LOW 1.8nV/√Hz VOLTAGE NOISE
  • ±120mA OUTPUT CURRENT DRIVE
  • 12.9mA/Ch SUPPLY CURRENT (±5V)
  • LOW 0.1mA/Ch DISABLE CURRENT
  • 3.5V to 12V SINGLE-SUPPLY OPERATION
  • ±1.75V to ±6V SPLIT-SUPPLY OPERATION
  • APPLICATIONS
    • BROADBAND VIDEO LINE DRIVERS
    • VERY WIDEBAND ADC DRIVERS
    • HIGH BANDWIDTH INSTRUMENTATION AMPLIFIERS
    • HIGH-SPEED IMAGING
    • ACTIVE FILTERS
    • ARB WAVEFORM OUTPUT DRIVERS

All other trademarks are the property of their respective owners

The OPA3695 is a triple, very high bandwidth, current-feedback op amp that combines an exceptional 4300V/µs slew rate and a very high 900MHz bandwidth (G = +2V/V) to provide an amplifier that is ideal for the most demanding video applications. The device versatility is enhanced with a low 1.8nV/√Hz input voltage noise and an output stage that can swing within 1V from the supply rail to deliver a high dynamic range signal, making it well-suited for analog-to-digital converter (ADC) front-ends or digital-to-analog converter (DAC) output buffering. Optimized for high gain operation, the OPA3695 is also well-suited for buffering surface acoustic wave (SAW) filters in an intermediate frequency (IF) system.

The low 12.9mA/channel supply current is precisely trimmed at +25°C. This trim, along with a low temperature drift, gives low system power over temperature. System power may be further reduced using the Disable control pin. Leaving this pin open, or holding it high, gives normal operation. If pulled low, the OPA3695 supply current drops to 100µA/channel. This power-saving feature, along with exceptional single +5V operation, makes the OPA3695 a good fit for low-power applications that require very high performance. The OPA3695 is available in an SSOP-16 package.

The OPA3695 is a triple, very high bandwidth, current-feedback op amp that combines an exceptional 4300V/µs slew rate and a very high 900MHz bandwidth (G = +2V/V) to provide an amplifier that is ideal for the most demanding video applications. The device versatility is enhanced with a low 1.8nV/√Hz input voltage noise and an output stage that can swing within 1V from the supply rail to deliver a high dynamic range signal, making it well-suited for analog-to-digital converter (ADC) front-ends or digital-to-analog converter (DAC) output buffering. Optimized for high gain operation, the OPA3695 is also well-suited for buffering surface acoustic wave (SAW) filters in an intermediate frequency (IF) system.

The low 12.9mA/channel supply current is precisely trimmed at +25°C. This trim, along with a low temperature drift, gives low system power over temperature. System power may be further reduced using the Disable control pin. Leaving this pin open, or holding it high, gives normal operation. If pulled low, the OPA3695 supply current drops to 100µA/channel. This power-saving feature, along with exceptional single +5V operation, makes the OPA3695 a good fit for low-power applications that require very high performance. The OPA3695 is available in an SSOP-16 package.
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類型 標題 日期
* Data sheet Triple, Ultra-Wideband, Current-Feedback Operational Amplifier with Disable datasheet (Rev. A) 2008年 9月 2日

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