
DS4432
Dual-Channel, I2C, 7-Bit Sink/Source
Current DAC
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5
Block Diagram
VCC
RFS0
RFS1
SDA SCL
GND
FS0
FS1
OUT1
OUT0
CURRENT
DAC0
F8h
F9h
SOURCE OR
SINK MODE
127 POSITIONS
EACH FOR SINK
AND SOURCE
MODE
CURRENT
DAC1
I2C-COMPATIBLE
SERIAL INTERFACE
DS4432
Typical Operating Characteristics (continued)
(Applies to OUT0 and OUT1. VCC = 2.7V to 5.0V, SDA = SCL = VCC, TA = +25°C, and no loads on OUT0, OUT1, FS0, or FS1, unless
otherwise noted.)
INTEGRAL LINEARITY
DS4432
toc07
SETTING (DEC)
INL
(LSB)
100
125
75
50
25
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
RANGE FOR THE 50
μA TO 200μA CURRENT
SOURCE AND SINK RANGE.
DIFFERENTIAL LINEARITY
DS4432
toc08
SETTING (DEC)
DNL
(LSB)
100
125
75
50
25
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0
RANGE FOR THE 50
μA TO 200μA CURRENT
SOURCE AND SINK RANGE.