OPA2683

Features: REDUCED BANDWIDTH CHANGE VERSUS GAIN 150MHz BANDWIDTH G = +2 > 80MHz BANDWIDTH TO GAIN > +10 LOW DISTORTION: < 65dBc at 5MHz HIGH OUTPUT CURRENT: 110mA SINGLE-SUPPLY OPERATION: +5V to +12VDUAL-SUPPLY OPERATION: ±2.5V to ±6V LOW SUPPLY CURRENT: 1.9mA TotalApplicationLOW-POWER BRO...

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SeekIC No. : 004438217 Detail

OPA2683: Features: REDUCED BANDWIDTH CHANGE VERSUS GAIN 150MHz BANDWIDTH G = +2 > 80MHz BANDWIDTH TO GAIN > +10 LOW DISTORTION: < 65dBc at 5MHz HIGH OUTPUT CURRENT: 110mA SINGLE-SUPPLY OPERATION: +5...

floor Price/Ceiling Price

Part Number:
OPA2683
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: 2024/11/21

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Product Details

Description



Features:

 REDUCED BANDWIDTH CHANGE VERSUS GAIN
150MHz BANDWIDTH G = +2
> 80MHz BANDWIDTH TO GAIN > +10
LOW DISTORTION: < 65dBc at 5MHz
HIGH OUTPUT CURRENT: 110mA
SINGLE-SUPPLY OPERATION: +5V to +12V
DUAL-SUPPLY OPERATION: ±2.5V to ±6V
LOW SUPPLY CURRENT: 1.9mA Total



Application

 LOW-POWER BROADCAST VIDEO DRIVER
POWER ACTIVE FILTERS
SHORT-LOOP ADSL CO DRIVER
MULTICHANNEL SUMMING AMPLIFIERS
PROFESSIONAL CAMERAS
DIFFERENTIAL ADC INPUT DRIVER



Pinout

  Connection Diagram


Specifications

Power Supply ............................................................................ ±6.5VDC
Internal Power Dissipation .............................. See Thermal Information
Differential Input Voltage ............................................................ ±1.2V
Input Voltage Range ...................................................................... ±VS
Storage Temperature Range: ID, IDCN ................. 40°C to +125°C
Lead Temperature (soldering, 10s) ........................................ +300°C
Junction Temperature (TJ ) ..................................................... +150°C
ESD Rating: Human Body Model (HBM) ...................................... 2000V
Charged Device Model (CDM) .................................................... 1000V
NOTE: (1) Stresses above those listed under Absolute Maximum Ratings may
cause permanent damage to the device. Exposure to absolute maximum
conditions for extended periods may affect device reliability.



Description

The OPA2683 provides a new level of performance for dual, very low-power, wideband, current-feedback amplifiers. This CFBPLUS amplifier is among the first to use an internally closed-loop input buffer stage that significantly enhances performance over earlier low-power, current-feedback (CFB) amplifiers. This new architecture provides many of the advantages of a more ideal CFB amplifier while retaining the benefits of very low-power operation.

The closed-loop input stage buffer gives a very low and linearized impedance path at the inverting input to sense the feedback error current. This improved inverting input impedance gives exceptional bandwidth retention to much higher gains and improved harmonic distortion over earlier solutions limited by inverting input linearity. Beyond simple high gain applications, the OPA2683 CFBPLUS amplifier can allow the gain setting element to be set with considerable freedom from amplifier bandwidth interaction. This flexibility allows frequency response peaking elements to be added, multiple input inverting summing circuits to have greater bandwidth, and low-power differential line drivers to meet the demanding requirements of DSL.

The output capability for the OPA2683 also sets a new mark in performance for very low-power, current-feedback amplifiers. Delivering ,a full ±4VPP swing on ±5V supplies, the OPA2683 also has the output current to support this swing into a 100 load. This minimal output headroom requirement is complemented by a similar 1.2V input stage headroom, giving exceptional capability for single +5V operation.

The OPA2683's low 1.9mA total supply current is precisely trimmed at +25°C. This trim, along with low shift over temperature and supply voltage, gives a very robust design over a wide range of operating conditions.




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