AD9857AST Analog Devices Inc, AD9857AST Datasheet - Page 4
AD9857AST
Manufacturer Part Number
AD9857AST
Description
IC QUADRATURE DGTL UPCONV 80LQFP
Manufacturer
Analog Devices Inc
Series
AD9857r
Datasheet
1.AD9857PCB.pdf
(40 pages)
Specifications of AD9857AST
Rohs Status
RoHS non-compliant
Function
Upconverter
Frequency
5MHz ~ 200MHz
Rf Type
HFC Cable Network
Package / Case
80-LQFP
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AD9857
GENERAL DESCRIPTION
The AD9857 integrates a high speed direct digital synthesizer
(DDS), a high performance, high speed, 14-bit digital-to-analog
converter (DAC), clock multiplier circuitry, digital filters, and
other DSP functions onto a single chip, to form a complete
quadrature digital upconverter device. The AD9857 is intended
to function as a universal I/Q modulator and agile upconverter,
single-tone DDS, or interpolating DAC for communications
applications, where cost, size, power dissipation, and dynamic
performance are critical attributes.
The AD9857 offers enhanced performance over the industry-
standard AD9856, as well as providing additional features.
The AD9857 is available in a space-saving, surface-mount
package and is specified to operate over the extended industrial
temperature range of −40°C to +85°C.
Rev. C | Page 4 of 40