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DS4412 View Datasheet(PDF) - Maxim Integrated

Part Name
Description
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DS4412 Datasheet PDF : 0 Pages
Dual-Channel, I2C Adjustable
Sink/Source Current DAC
NAME
SDA
SCL
FS1
FS0
GND
OUT0
OUT1
VCC
Pin Description
PIN
FUNCTION
1
I2C Serial Data. Input/output for I2C data.
2
I2C Serial Clock. Input for I2C clock.
3
Full-Scale Calibration Inputs. A resistor to ground on these pins determines the full-scale current
5
for each output. FS0 controls OUT0, FS1 controls OUT1.
4
Ground
6
Current Outputs. Sinks or sources the current determined by the register settings and the
7
resistance connected to FS0 and FS1.
8
Power Supply
Typical Operating Characteristics
(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.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
0.5
0.4
DOES NOT INCLUDE CURRENT DRAWN BY
RESISTORS CONNECTED TO FS0 AND FS1.
0.3
0.2
0.1
0
2.7 3.2 3.7 4.2 4.7 5.2
SUPPLY VOLTAGE (V)
VOLTCO (SINK)
-2.0
2.2kΩ LOAD ON FS0 AND FS1
-2.1
-2.2
-2.3
-2.4
-2.5
0
1
2
3
4
VOUT (V)
SUPPLY CURRENT
vs. TEMPERATURE
0.35
VCC = 5.0V
0.30
0.25
0.20
VCC = 3.3V
0.15
VCC = 2.7V
0.10
DOES NOT INCLUDE CURRENT DRAWN BY
0.05 RESISTORS CONNECTED TO FS0 AND FS1.
0
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
TEMPERATURE COEFFICIENT
vs. SETTING (SOURCE)
80
70
+25°C TO -40°C
60
50
+25°C TO +85°C
40
30
20 RANGE FOR THE 0.5mA TO 2.0mA
CURRENT-SOURCE RANGE.
10
0
0
5
10
15
SETTING (DEC)
VOLTCO (SOURCE)
2.5
2.2kΩ LOAD ON FS0 AND FS1
2.4
2.3
2.2
2.1
2.0
0
1
2
3
4
5
VOUT (V)
TEMPERATURE COEFFICIENT
vs. SETTING (SINK)
80
70
60
+25°C TO -40°C
50
40
+25°C TO +85°C
30
20 RANGE FOR THE 0.5mA TO 2.0mA
CURRENT-SOURCE RANGE.
10
0
0
5
10
15
SETTING (DEC)
4 _______________________________________________________________________________________
 

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