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120 mA, Current Sinking, 10-Bit, I2C DAC AD5398
FEATURES
120 mA current sink Available in 8-lead LFCSP package 2-wire (I2C®-compatible) serial interface 10-bit resolution Integrated current sense resistor 2.7 V to 5.5 V power supply Guaranteed monotonic over all codes Power-down to 0.5 μA typical Internal reference Ultralow noise preamplifier Power-down function Power-on reset
FUNCTIONAL BLOCK DIAGRAM
VDD
6
AD5398
REFERENCE
POWER-ON RESET
SDA 3 SCL 4
I2C SERIAL INTERFACE
10-BIT CURRENT OUTPUT DAC
8
ISINK
R PD 1
5 2
7
DGND
DGND
AGND
Figure 1.