OPA861

Features: ` Wide Bandwidth (80MHz, Open-Loop, G = +5)` High Slew Rate (900V/s)` High Transconductance (95mA/V)` External IQ-Control` Low Quiescent Current (5.4mA)Application· Video/Broadcast Equipment· Communications Equipment· High-Speed Data Acquisition· Wideband LED Drivers· Control Loop Amplif...

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SeekIC No. : 004438522 Detail

OPA861: Features: ` Wide Bandwidth (80MHz, Open-Loop, G = +5)` High Slew Rate (900V/s)` High Transconductance (95mA/V)` External IQ-Control` Low Quiescent Current (5.4mA)Application· Video/Broadcast Equipme...

floor Price/Ceiling Price

Part Number:
OPA861
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:

` Wide Bandwidth (80MHz, Open-Loop, G = +5)
` High Slew Rate (900V/s)
` High Transconductance (95mA/V)
` External IQ-Control
` Low Quiescent Current (5.4mA)



Application

· Video/Broadcast Equipment
· Communications Equipment
· High-Speed Data Acquisition
· Wideband LED Drivers
· Control Loop Amplifiers
· Wideband Active Filters
· Line Drivers



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: D ...........40°C to +125°C
Lead Temperature (soldering, 10s) .......................+260°C
Junction Temperature (TJ) .....................................+150°C
ESD Rating:
    Human Body Model (HBM)(2) ................................1500V
    Charge Device Model (CDM) .................................1000V
(1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may degrade device reliability. These are stress ratings only, and functional operations of the device at these and any other conditions beyond those specified is not supported.
(2) Pin 2 for the SO-8 package > 500V HBM. Pin 4 for the SOT23-6 package > 500V HBM.




Description

The OPA861 is a versatile monolithic component designed for wide-bandwidth systems, including high performance video, RF and IF circuitry. The OPA861 is a wideband, bipolar operational transconductance amplifier (OTA).

The OTA or voltage-controlled current source can be viewed as an ideal transistor. Like a transistor, it has three terminals-a high impedance input (base), a low-impedance input/output (emitter), and the current  output (collector). The OPA861, however, is self-biased and bipolar. The output collector current is zero for a zero base-emitter voltage.AC inputs centered about zero produce an output current,which is bipolar and centered about zero. The transconductance of the OPA861 can be adjusted with an external resistor, allowing bandwidth, quiescent current, and gain trade-offs to be optimized.

Used as a basic building block, the OPA861 simplifies the design of AGC amplifiers, LED driver circuits for fiber optic transmission, integrators for fast pulses, fast control loop amplifiers and control amplifiers for capacitive sensors and active filters. The OPA861 is available in SO-8 and SOT23-6 surface-mount packages.




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