AD8303 PDF Datasheet
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Description
This is +3 V/ Dual/ Serial Input Complete 12-Bit DAC. a
FEATURES Complete Dual 12-Bit DAC Pretrimmed Internal Voltage Reference Single +3 V Operation 0.5 mV, Bit with 2.0475 V Full Scale Low Power: 9.6 mW 3-Wire Serial SPI Compatible Interface Power Shutdown IDD < 1 A Compact SO-14, 1.75 mm Height Package APPLICATIONS Portable Communications Digitally Controlled Calibration Servo Controls PC Peripherals
CS CLK En
+3 V, Dual, Serial Input Complete 12-Bit DAC AD8303
FUNCTIONAL BLOCK DIAGRAM
VDD R E D G A I C S T A E D R
P R
DAC A
OP AMP A
VOUTA
SDI (DATA)
S H I F T
R E G I S T E R
D
LDA
R E D G A I C S T B E R
R
B A N D G A P
R E F E R E N C E
REF BUF VREF REF BUF
DAC B
LDB
P
OP AMP B
VOUTB
AD8303
DGND MSB RS AGND SHDN
GENERAL DESCRIPTION
The AD8303 is a complete (includes internal reference) dual, 12-bit, voltage output digital-to-analog converter designed to operate from a single +3 volt supply. Built using a CBCMOS process, this monolithic DAC offers the user low cost and easeof-use in single-supply +3 volt systems.