DS4432 Maxim Integrated Products, DS4432 Datasheet - Page 4

• Manufacturer Part Number: DS4432
• Description: Sink/Source Current DAC
• Manufacturer: Maxim Integrated Products

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Dual-Channel, I
Current DAC
(Applies to OUT0 and OUT1. V
otherwise noted.)
4
NAME
150
125
100
250
225
200
175
150
_______________________________________________________________________________________
OUT0
OUT1
GND
75
50
25
SDA
SCL
FS1
FS0
V
0
CC
2.5
0
DOES NOT INCLUDE CURRENT DRAWN BY
RESISTORS CONNECTED TO FS0 OR FS1.
40kΩ LOAD ON FS0 AND FS1.
0.5
3.0
vs. SUPPLY VOLTAGE
1.0
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
3.5
VOLTCO (SINK)
1.5
PIN
V
1
2
3
5
4
6
7
8
OUT
4.0
2.0
(V)
2.5
4.5
CC
I
I
Full-Scale Calibration Inputs. A resistor to ground on these pins determines the full-scale current
for each output. FS0 controls OUT0; FS1 controls OUT1.
Ground
Current Outputs. Sinks or sources the current determined by the register settings and the
resistance connected to FS0 and FS1.
Power Supply
3.0
2
2
C Serial Data. Input/output for I
C Serial Clock. Input for I
= 2.7V to 5.0V, SDA = SCL = V
5.0
3.5
5.5
4.0
2
C, 7-Bit Sink/Source
150
125
100
300
250
200
150
100
-50
75
50
25
50
0
0
-40
0
DOES NOT INCLUDE CURRENT DRAWN BY
RESISTORS CONNECTED TO FS0 OR FS1.
RANGE FOR THE 50μA TO 200μA CURRENT
SOURCE RANGE.
V
CC
TEMPERATURE COEFFICIENT
-20
2
25
= 2.7V
C clock.
vs. SETTING (SOURCE)
vs. TEMPERATURE
SUPPLY CURRENT
TEMPERATURE (°C)
0
+25°C TO +85°C
SETTING (DEC)
2
+25°C TO -40°C
50
CC
C data.
, T
20
V
CC
A
Typical Operating Characteristics
= 3.3V
75
= +25°C, and no loads on OUT0, OUT1, FS0, or FS1, unless
40
V
CC
FUNCTION
100
= 5.5V
60
125
80
-150
-175
-200
-225
-250
-150
-250
650
550
450
350
250
150
-50
50
0
0
40kΩ LOAD ON FS0 AND FS1.
RANGE FOR THE 50μA TO 200μA CURRENT
SINK RANGE.
TEMPERATURE COEFFICIENT
25
1
Pin Description
vs. SETTING (SINK)
VOLTCO (SOURCE)
+25°C TO +85°C
SETTING (DEC)
+25°C TO -40°C
50
2
V
OUT
(V)
75
3
100
4
125
5