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VCA2614

Burr-Brown Corporation
Part Number VCA2614
Manufacturer Burr-Brown Corporation
Description Dual/ VARIABLE GAIN AMPLIFIER with Input Buffer
Published Apr 16, 2005
Detailed Description VCA 261 4 VCA2614 SBOS185D – JANUARY 2001 – REVISED MARCH 2003 Dual, VARIABLE GAIN AMPLIFIER with Input Buffer FEATUR...
Datasheet PDF File VCA2614 PDF File

VCA2614
VCA2614

Overview
VCA 261 4 VCA2614 SBOS185D – JANUARY 2001 – REVISED MARCH 2003 Dual, VARIABLE GAIN AMPLIFIER with Input Buffer FEATURES q q q q q q GAIN RANGE: 40dB 40MHz BANDWIDTH LOW CROSSTALK: 70dB at Max Gain, 5MHz HIGH-SPEED VARIABLE GAIN ADJUST POWER SHUTDOWN MODE HIGH IMPEDANCE INPUT BUFFER DESCRIPTION The VCA2614 is a highly integrated, dual receive channel, Variable Gain Amplifier (VGA) with analog gain control.
The VCA2614’s VGA section consists of two parts: the Voltage Controlled Attenuator (VCA) and the Programmable Gain Amplifier (PGA).
The gain and gain range of the PGA can be digitally programmed.
The combination of these two programmable elements results in a variable gain ranging from 0dB up to a maximum gain as defined by the user through external connections.
The single-ended unity gain input buffer provides predictable high input impedance.
The output of the VGA can be used in either a single-ended or differential mode to drive high-performance Analog-to-Digital Converters (ADCs).
A separate power-down pin reduces power consumption.
The VCA2614 also features low crosstalk and outstanding distortion performance.
The combination of low noise and gain range programmability makes the VCA2614 a versatile building block in a number of applications where noise performance is critical.
The VCA2614 is available in a TQFP-32 package.
APPLICATIONS q q q q ULTRASOUND SYSTEMS GAMMA CAMERAS WIRELESS RECEIVERS TEST EQUIPMENT CP2A CP1A VCA2614 (1 of 2 Channels) NOUTA Voltage Control Attenuator Programmable Gain Amplifier INA Buffer POUTA MGS1 VCACNTL Analog Control Maximum Gain Select MGS2 MGS3 Maximum Gain Select NOUTB Voltage Control Attenuator Programmable Gain Amplifier INB Buffer POUTB CP2B CP1B Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is curre...


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