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VCA2618

Burr-Brown Corporation
Part Number VCA2618
Manufacturer Burr-Brown Corporation
Description Dual/ VARIABLE GAIN AMPLIFIER with Input Buffer
Published Apr 16, 2005
Detailed Description VCA2618 VCA 261 8 SBOS254B – JULY 2002 – REVISED NOVEMBER 2003 Dual, VARIABLE GAIN AMPLIFIER with Input Buffer FEATURE...
Datasheet PDF File VCA2618 PDF File

VCA2618
VCA2618

Overview
VCA2618 VCA 261 8 SBOS254B – JULY 2002 – REVISED NOVEMBER 2003 Dual, VARIABLE GAIN AMPLIFIER with Input Buffer FEATURES z z z z z z GAIN RANGE: up to 43dB 30MHz BANDWIDTH LOW CROSSTALK: 65dB at Max Gain, 5MHz HIGH-SPEED VARIABLE GAIN ADJUST POWER SHUTDOWN MODE HIGH IMPEDANCE INPUT BUFFER DESCRIPTION The VCA2618 is a highly integrated, dual receive channel, Variable Gain Amplifier (VGA) with analog gain control.
The VCA2618’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 (A/D) converters.
A separate power-down pin reduces power consumption.
The VCA2618 also features low crosstalk and outstanding distortion performance.
The combination of low noise and gain range programmability make the VCA2618 a versatile building block in a number of applications where noise performance is critical.
The VCA2618 is available in a TQFP-32 package.
CP2A CP1A APPLICATIONS z z z z ULTRASOUND SYSTEMS WIRELESS RECEIVERS TEST EQUIPMENT RADAR VCA2618 (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.
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