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AD9708

Analog Devices
Part Number AD9708
Manufacturer Analog Devices
Description 8-Bit/ 100 MSPS TxDAC D/A Converter
Published Mar 23, 2005
Detailed Description a FEATURES Member of Pin-Compatible TxDAC Product Family 125 MSPS Update Rate 8-Bit Resolution Linearity: 1/4 LSB DNL Li...
Datasheet PDF File AD9708 PDF File

AD9708
AD9708


Overview
a FEATURES Member of Pin-Compatible TxDAC Product Family 125 MSPS Update Rate 8-Bit Resolution Linearity: 1/4 LSB DNL Linearity: 1/4 LSB INL Differential Current Outputs SINAD @ 5 MHz Output: 50 dB Power Dissipation: 175 mW @ 5 V to 45 mW @ 3 V Power-Down Mode: 20 mW @ 5 V On-Chip 1.
20 V Reference Single +5 V or +3 V Supply Operation Packages: 28-Lead SOIC and 28-Lead TSSOP Edge-Triggered Latches Fast Settling: 35 ns Full-Scale Settling to 0.
1% APPLICATIONS Communications Signal Reconstruction Instrumentation PRODUCT DESCRIPTION 8-Bit, 100 MSPS+ TxDAC® D/A Converter AD9708* FUNCTIONAL BLOCK DIAGRAM +5V 0.
1␮F REFLO +1.
20V REF 0.
1␮F REF IO FS ADJ RSET +5V DVDD DCOM CLOCK SLEEP COMP1 AVDD ACOM 50pF CURRENT SOURCE ARRAY SEGMENTED SWITCHES LATCHES AD9708 COMP2 0.
1␮F IOUTA IOUTB CLOCK DIGITAL DATA INPUTS (DB7–DB0) Differential current outputs are provided to support singleended or differential applications.
The current outputs may be directly tied to an output resistor to provide two complementary, single-ended voltage outputs.
The output voltage compliance range is 1.
25 V.
The AD9708 contains a 1.
2 V on-chip reference and reference control amplifier, which allows the full-scale output current to be simply set by a single resistor.
The AD9708 can be driven by a variety of external reference voltages.
The AD9708’s full-scale current can be adjusted over a 2 mA to 20 mA range without any degradation in dynamic performance.
Thus, the AD9708 may operate at reduced power levels or be adjusted over a 20 dB range to provide additional gain ranging capabilities.
The AD9708 is available in 28-lead SOIC and 28-lead TSSOP packages.
It is specified for operation over the industrial temperature range.
PRODUCT HIGHLIGHTS The AD9708 is the 8-bit resolution member of the TxDAC series of high performance, low power CMOS digital-to-analog converters (DACs).
The TxDAC family, which consists of pin compatible 8-, 10-, 12-, and 14-bit DACs, was specifically optimized for the trans...


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