AD9762 PDF Datasheet
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Description
This is 12-Bit/ 125 MSPS TxDAC D/A Converter. a
FEATURES Member of Pin-Compatible TxDAC Product Family 125 MSPS Update Rate 12-Bit Resolution Excellent Spurious Free Dynamic Range Performance SFDR to Nyquist @ 5 MH- Output: 70 dBc Differential Current Outputs: 2 mA to 20 mA Power Dissipation: 175 mW @ 5 V to 45 mW @ 3 V Power-Down Mode: 25 mW @ 5 V On-Chip 1.20 V Reference Single +5 V or +3 V Supply Operation Package: 28-Lead SOIC and TSSOP Edge-Triggered Latches APPLICATIONS Communication Transmit Channel: Basestations (Single, Multichannel Applications) ADSL, HFC Modems Direct Digital Synthesis (DDS) Instrumentation PRODUCT DESCRIPTION
0.1 F
12-Bit, 125 MSPS TxDAC® D, A Converter AD9762*
FUNCTIONAL BLOCK DIAGRAM
+5V 0.1 F
REFLO +1.20V REF 50pF REFIO FS ADJ RSET +5V DVDD DCOM CLOCK CLOCK SLEEP SEGMENTED SWITCHES
COMP1
AVDD
ACOM
AD9762
CURRENT SOURCE ARRAY COMP2 0.1 F
IOUTA LSB SWITCHES IOUTB
LATCHES
DIGITAL DATA INPUTS (DB11 DB0)
The AD9762 is the 12-bit resolution member of the TxDAC series of high performance, low pow.