FEATURES
Relative Accuracy: 1 LSB Max
Differential Nonlinearity: 1 LSB Max
2-mA Full-Scale Current ±20%,
with VREF = ±10 V
0.5 ms Settling Time
Midscale or Zero-Scale Reset
Separate 4Q Multiplying Reference Inputs
Reference Bandwidth: 10 MHz
Reference Dynamics: –105 dB THD
SPI™-Compatible 3-Wire Interface:
50 MHz
Double Buffered Registers to Enable
Simultaneous Multichannel Update
Internal Power-On Reset
Industry-Standard Pin Configuration

APPLICATIONS
Automatic Test Equipment
Instrumentation
Digitally Controlled Calibration

DESCRIPTION
The DAC8802 is a dual, 14-bit, current-output
digital-to-analog converter (DAC) designed to
operate from a single 2.7 V to 5.5 V supply.
The applied external reference input voltage VREF
determines the full-scale output current. An internal
feedback resistor (RFB) provides temperature
tracking for the full-scale output when combined with
an external I-to-V precision amplifier.
A doubled-buffered, serial data interface offers
high-speed, 3-wire, SPI and microcontroller
compatible inputs using serial data in (SDI), clock
(CLK), and a chip-select (CS). A common
level-sensitive load DAC strobe (LDAC) input allows
simultaneous update of all DAC outputs from
previously loaded input registers. Additionally, an
internal power-on reset forces the output voltage to
zero at system turn-on. An MSB pin allows system
reset assertion (RS) to force all registers to zero
code when MSB = 0, or to half-scale code when
MSB = 1.
The DAC8802 is available in an TSSOP-16 package.