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OPA655

Features: ` 400MHz UNITY GAIN BANDWIDTH` LOW INPUT BIAS CURRENT: 5pA` HIGH INPUT IMPEDANCE: 1012 || 1.0pF` ULTRA-LOW dG/dP: 0.006%/0.009°` LOW DISTORTION: 90dB SFDR at 5MHz` FAST SETTLING: 17ns (0.01%)` HIGH OUTPUT CURRENT: 60mA` FAST OVERDRIVE RECOVERYApplication· WIDEBAND PHOTODIODE AMPLIFIER· P...

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SeekIC No. : 004438435 Detail

OPA655: Features: ` 400MHz UNITY GAIN BANDWIDTH` LOW INPUT BIAS CURRENT: 5pA` HIGH INPUT IMPEDANCE: 1012 || 1.0pF` ULTRA-LOW dG/dP: 0.006%/0.009°` LOW DISTORTION: 90dB SFDR at 5MHz` FAST SETTLING: 17ns (0.0...

OPA655 Data Sheet

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Part Number:
OPA655
Supply Ability:
5000

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

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Product Details

Description



Features:

` 400MHz UNITY GAIN BANDWIDTH
` LOW INPUT BIAS CURRENT: 5pA
` HIGH INPUT IMPEDANCE: 1012 || 1.0pF
` ULTRA-LOW dG/dP: 0.006%/0.009°
` LOW DISTORTION: 90dB SFDR at 5MHz
` FAST SETTLING: 17ns (0.01%)
` HIGH OUTPUT CURRENT: 60mA
` FAST OVERDRIVE RECOVERY


Application

· WIDEBAND PHOTODIODE AMPLIFIER
· PEAK DETECTOR
· CCD OUTPUT BUFFER
· ADC INPUT BUFFER
· HIGH SPEED INTEGRATOR
·TEST AND MEASUREMENT FRONT END


Pinout

Connection Diagram


Specifications

Total Supply Voltage Across Device (VS (TOTAL)) ................................ 11V
Internal Power Dissipation ........................... See Thermal Considerations
Differential Input Voltage .......................................................... VS (TOTAL)
Common-Mode Input Voltage Range .................................................. ±VS
Storage Temperature Range: P, U ................................. 40 to +125
Lead Temperature (soldering, 10s) ............................................... +300
(soldering, SO-8, 3s) ..................................................................... +260
Junction Temperature (TJ ) ............................................................ +175


Description

The OPA655 combines a very wideband, unity gain stable, voltage feedback op amp with a FET input stage to offer an ultra high dynamic range amplifier for ADC buffering and transimpedance applications.

Extremely low harmonic distortion along with excellent pulse settling characteristics will support even the most demanding ADC input buffer requirements.

The broad unity gain stable bandwidth and FET input allows exceptional performance in high speed, low noise integrators.

The high input impedance and low bias current provided by the FET input is further supported by the ultra-low 6nV/ÖHz input voltage noise to achieve a very low integrated noise in wideband photodiode transimpedance applications.

Broad transimpedance bandwidths are achievable given the OPA655's high 240MHz gain bandwidth product.

As shown below, a 3dB bandwidth of 1MHz is provided even for a high 1MW transimpedance gain from a 47pF source capacitance.




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