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TI(德州仪器) OPA830
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  • TI(德州仪器) OPA830
  • TI(德州仪器) OPA830
  • TI(德州仪器) OPA830
  • TI(德州仪器) OPA830
  • TI(德州仪器) OPA830
  • TI(德州仪器) OPA830
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OPA830

OPA830

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低功耗、单电源运算放大器

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The OPA830 is a low-power, single-supply, wideband, voltage-feedback amplifier designed to operate on a single +3V or +5V supply. Operation on ±5V or +10V supplies is also supported. The input range extends below the negative supply and to within 1.7V of the positive supply. Using complementary common-emitter outputs provides an output swing to within 25mV of either supply while driving 150. High output drive current (±80mA) and low differential gain and phase errors also make them ideal for single-supply consumer video products.

Low distortion operation is ensured by the high gain bandwidth product (110MHz) and slew rate (550V/µs), making the OPA830 an ideal input buffer stage to 3V and 5V CMOS ADCs. Unlike other low-power, single-supply amplifiers, distortion performance improves as the signal swing is decreased. A low 9.2nV/Hz input voltage noise supports wide dynamic range operation.

The OPA830 is available in an industry-standard SO-8 package. The OPA830 is also available in an ultra-small SOT23-5 package. For fixed-gain line driver applications, consider the OPA832.

  • HIGH BANDWIDTH:
      250MHz (G = +1)
      110MHz (G = +2)
  • LOW SUPPLY CURRENT: 3.9mA (VS = +5V)
  • FLEXIBLE SUPPLY RANGE:
      ±1.4V to ±5.5V Dual Supply
      +2.8V to +11V Single Supply
  • INPUT RANGE INCLUDES GROUND ON SINGLE SUPPLY
  • 4.88V OUTPUT SWING ON +5V SUPPLY
  • HIGH SLEW RATE: 550V/µs
  • LOW INPUT VOLTAGE NOISE: 9.2nV/Hz
  • Pb-FREE SOT23 PACKAGE
  • APPLICATIONS
    • SINGLE-SUPPLY ANALOG-TO-DIGITAL CONVERTER (ADC) INPUT BUFFERS
    • SINGLE-SUPPLY VIDEO LINE DRIVERS
    • CCD IMAGING CHANNELS
    • LOW-POWER ULTRASOUND
    • PLL INTEGRATORS
    • PORTABLE CONSUMER ELECTRONICS

All trademarks are the property of their respective owners.

ArchitectureVoltage FB
Number of channels1
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)2.8
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)11
GBW (typ) (MHz)110
BW at Acl (MHz)310
Acl, min spec gain (V/V)1
Slew rate (typ) (V/µs)600
Vn at flatband (typ) (nV√Hz)9.2
Vn at 1 kHz (typ) (nV√Hz)9.5
Iq per channel (typ) (mA)4.25
Vos (offset voltage at 25°C) (max) (mV)7
Rail-to-railIn to V-, Out
RatingCatalog
Operating temperature range (°C)-40 to 85
CMRR (typ) (dB)80
Input bias current (max) (pA)10000000
Offset drift (typ) (µV/°C)25
Iout (typ) (mA)80
2nd harmonic (dBc)67
3rd harmonic (dBc)60
Frequency of harmonic distortion measurement (MHz)5
SOIC (D)829.4 mm² 4.9 x 6
SOT-23 (DBV)58.12 mm² 2.9 x 2.8
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