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TI(德州仪器) OPA2890
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  • TI(德州仪器) OPA2890
  • TI(德州仪器) OPA2890
  • TI(德州仪器) OPA2890
  • TI(德州仪器) OPA2890
  • TI(德州仪器) OPA2890
  • TI(德州仪器) OPA2890
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OPA2890

OPA2890

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具有禁用功能的双通道 250MHz 低功耗宽带电压反馈运算放大器

产品详情
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  • 特性
  • 参数
  • 封装 | 引脚 | 尺寸

The OPA2890 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. These capabilities give exceptional single-supply operation. Using a single +5V supply, the OPA2890 can deliver a 0.9V to 4.1V output swing with over 30mA drive current and 210MHz bandwidth. This combination of features makes the OPA2890 an ideal RGB line driver or single-supply analog-to-digital converter (ADC) input driver.

The low 1.1mA/ch supply current of the OPA2890 is precisely trimmed at +25°C. This trim, along with low temperature drift, ensures lower maximum supply current than competing products. System power may be reduced further using the optional disable control pin (MSOP-10 package only). Leaving this disable pin open, or holding it high, operates the OPA2890 normally. If pulled low, the OPA2890 supply current drops to less than 30µA/ch while the output goes into a high-impedance state.

  • FLEXIBLE SUPPLY RANGE:
    +3V to +12V Single Supply
    ±1.5V to ±6V Dual Supplies
  • UNITY-GAIN STABLE
  • WIDEBAND +5V OPERATION: 90MHz
    (G = 2V/V)
  • OUTPUT VOLTAGE SWING: ±4.1V
  • HIGH SLEW RATE: 400V/µs
  • LOW QUIESCENT CURRENT: 1.1mA/ch
  • LOW DISABLE CURRENT: 30µA/ch
  • APPLICATIONS
    • VIDEO LINE DRIVING
    • xDSL LINE DRIVERS/RECEIVERS
    • HIGH-SPEED IMAGING CHANNELS
    • ADC BUFFERS
    • PORTABLE INSTRUMENTS
    • TRANSIMPEDANCE AMPLIFIERS
    • ACTIVE FILTERS

All other trademarks are the property of their respective owners

ArchitectureVoltage FB
Number of channels2
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)3
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)12
GBW (typ) (MHz)250
BW at Acl (MHz)250
Acl, min spec gain (V/V)1
Slew rate (typ) (V/µs)400
Vn at flatband (typ) (nV√Hz)8
Vn at 1 kHz (typ) (nV√Hz)8
Iq per channel (typ) (mA)1.1
Vos (offset voltage at 25°C) (max) (mV)5
Rail-to-railNo
FeaturesShutdown
RatingCatalog
Operating temperature range (°C)-40 to 85
CMRR (typ) (dB)68
Input bias current (max) (pA)1600000
Offset drift (typ) (µV/°C)35
Iout (typ) (mA)40
2nd harmonic (dBc)84
3rd harmonic (dBc)89
Frequency of harmonic distortion measurement (MHz)1
SOIC (D)829.4 mm² 4.9 x 6
VSSOP (DGS)1014.7 mm² 3 x 4.9
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