12-Bit Quad Voltage Output DIGITAL-TO-ANALOG CONVERTER
®
DAC
762
4
DAC7624 DAC7625
DAC
762
5
12-Bit Quad Voltage Output DIGITAL-TO-ANALOG CONVERTER
FEATURES
q LOW POWER...
Description
®
DAC
762
4
DAC7624 DAC7625
DAC
762
5
12-Bit Quad Voltage Output DIGITAL-TO-ANALOG CONVERTER
FEATURES
q LOW POWER: 20mW q UNIPOLAR OR BIPOLAR OPERATION q SETTLING TIME: 10µs to 0.012% q 12-BIT LINEARITY AND MONOTONICITY: –40°C to +85°C q RESET TO MID-SCALE (DAC7624) OR ZERO-SCALE (DAC7625) q DATA READBACK q DOUBLE-BUFFERED DATA INPUTS
DESCRIPTION
The DAC7624 and DAC7625 are 12-bit quad voltage output digital-to-analog converters with guaranteed 12bit monotonic performance over the specified temperature range. They accept 12-bit parallel input data, have double-buffered DAC input logic (allowing simultaneous update of all DACs), and provide a readback mode of the internal input registers. An asynchronous reset clears all registers to a mid-scale code of 800H (DAC7624) or to a zero-scale of 000H (DAC7625). The DAC7624 and DAC7625 can operate from a single +5V supply or from +5V and –5V supplies. Low power and small size per DAC make the DAC7624 and DAC7625 ideal for automatic test equipment, DAC-per-pin programmers, data acquisition systems, and closed-loop servo-control. The DAC7624 and DAC7625 are available in a 28-pin plastic doublewide or a 28-lead SOIC package, and offer guaranteed specifications over the –40°C to +85°C temperature range.
APPLICATIONS
q PROCESS CONTROL q ATE PIN ELECTRONICS q CLOSED-LOOP SERVO-CONTROL q MOTOR CONTROL q DATA ACQUISITION SYSTEMS q DAC-PER-PIN PROGRAMMERS
GND
VDD
VREFH
12 DB0-DB11
I/O Buffer
Input Register A
DAC Register A
DAC...
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