OPA847

Features: *HIGH GAIN BANDWIDTH: 3.9GHz*LOW INPUT VOLTAGE NOISE: 0.85nV/Hz*VERY LOW DISTORTION: 105dBc (5MHz)*HIGH SLEW RATE: 950V/µs*HIGH DC ACCURACY: VIO < ±100µV*LOW SUPPLY CURRENT: 18.1mA*LOW SHUTDOWN POWER: 2mW*STABLE FOR GAINS 12Application*HIGH DYNAMIC RANGE ADC PREAMPS*LOW NO...

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SeekIC No. : 004438520 Detail

OPA847: Features: *HIGH GAIN BANDWIDTH: 3.9GHz*LOW INPUT VOLTAGE NOISE: 0.85nV/Hz*VERY LOW DISTORTION: 105dBc (5MHz)*HIGH SLEW RATE: 950V/µs*HIGH DC ACCURACY: VIO < ±100µV*LOW SUPPLY CURRENT:...

floor Price/Ceiling Price

Part Number:
OPA847
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/12

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Product Details

Description



Features:

*HIGH GAIN BANDWIDTH: 3.9GHz
*LOW INPUT VOLTAGE NOISE: 0.85nV/Hz
*VERY LOW DISTORTION: 105dBc (5MHz)
*HIGH SLEW RATE: 950V/µs
*HIGH DC ACCURACY: VIO < ±100µV
*LOW SUPPLY CURRENT: 18.1mA
*LOW SHUTDOWN POWER: 2mW
*STABLE FOR GAINS 12



Application

*HIGH DYNAMIC RANGE ADC PREAMPS
*LOW NOISE, WIDEBAND, TRANSIMPEDANCE
  AMPLIFIERS
*WIDEBAND, HIGH GAIN AMPLIFIERS
*LOW NOISE DIFFERENTIAL RECEIVERS
*ULTRASOUND CHANNEL AMPLIFIERS
*IMPROVED UPGRADE FOR THE OPA687,
  CLC425, AND LMH6624



Pinout

  Connection Diagram


Specifications

Power Supply. . .  . .  . .  . .  . .  . .  . .. . . . . . . ±6.5VDC
Internal Power Dissipation. . See Thermal Information
Differential Input Voltage . . . . . . . .  . .  . .  . . . .±1.2V 
Input Common-Mode Voltage Range . . . .  . . . . . .±VS
Storage Temperature Range. . . . . . . .−40 to +125
Lead Temperature (soldering, 10s) . . . . . .  .  . .+300
Junction Temperature (TJ) . .  . .  . .  . .. . . . . . . .+150
ESD Rating
   Human Body Model (HBM) . .  . .  . . . . . . . . .  . .1500V
   Charge Device Model (CDM) . .  . .  .. . . . . . .  . .1500V
   Machine Model (MM). . . . . . . . . .  . .  . .  . . . . .. . 100V 
  


Description

    The OPA847 combines very high gain bandwidth and large signal performance with an ultra-low input noise voltage (0.85nV/Hz) while using only 18mA supply current. Where power savings is critical, the OPA847 also includes an optional power shutdown pin that, when pulled low, disables the amplifier and decreases the supply current to < 1% of the powered-up value. This optional feature may be left disconnected to ensure normal amplifier operation when no power down is required.

    The combination of very low input voltage and current noise,along with a 3.9GHz gain bandwidth product, make the OPA847 an ideal amplifier for wideband transimpedance applications. As a voltage gain stage, the OPA847 is optimized for a flat frequency response at a gain of +20V/V and is stable down to gains as low as +12V/V. New external compensation techniques allow the OPA847 to be used at any inverting gain with excellent frequency response control.Using this technique in a differential Analog-to-Digital Converter (ADC) interface application, shown below, can deliver one of the highest dynamic-range interfaces available.




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