FEATURES
LOW POWER: 4mW
UNIPOLAR OR BIPOLAR OPERATION
SETTLING TIME: 10μs to 0.003% FSR
15-BIT LINEARITY AND MONOTONICITY:
–40°C to +85°C
RESET TO MID-SCALE (DAC7642) OR
ZERO-SCALE (DAC7643)
DATA READBACK
DOUBLE-BUFFERED DATA INPUTS

APPLICATIONS
PROCESS CONTROL
CLOSED-LOOP SERVO-CONTROL
MOTOR CONTROL
DATA ACQUISITION SYSTEMS
DAC-PER-PIN PROGRAMMERS

DESCRIPTION
The DAC7642 and DAC7643 are dual channel, 16-bit, voltage
output Digital-to-Analog Converters (DACs) which provide
15-bit monotonic performance over the specified temperature
range. They accept 16-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. Programmable asynchronous reset
clears all registers to a mid-scale code of 8000H (DAC7642)
or to a zero-scale code of 0000H (DAC7643). These DACs
can operate from a single +5V supply or from +5V and –5V
supplies, providing an output range of 0 to +2.5V or –2.5V to
+2.5V, respectively.
Low power and small size per DAC make the DAC7642 and
DAC7643 ideal for automatic test equipment, DAC-per-pin
programmers, data acquisition systems, and closed-loop
servo-control. The DAC7642 and DAC7643 are available in
a LQFP-32 package and specified over a –40°C to +85°C
temperature range.