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DS4432
Dual-Channel, I2C, 7-Bit Sink/Source
Current DAC
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
(TA = -40°C to +85°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Voltage Range on VCC, SDA, and SCL
Relative to Ground.............................................-0.5V to +6.0V
Voltage Range on FS0, FS1, OUT0, OUT1
Relative to Ground..................................-0.5V to (VCC + 0.5V)
(Not to exceed 6.0V.)
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-55°C to +125°C
Soldering Temperature ...............................Refer to the IPC/JEDEC
J-STD-020 Specification.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage
VCC
(Note 1)
2.7
5.5
V
Input Logic 1 (SDA, SCL)
VIH
0.7 x VCC
VCC + 0.3
V
Input Logic 0 (SDA, SCL)
VIL
-0.3
0.3 x VCC
V
Full-Scale Resistor Values
RFS0, RFS1 (Note 2)
40
160
k
DC ELECTRICAL CHARACTERISTICS
(VCC = +2.7V to +5.5V, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Current
ICC
VCC = 5.5V (Note 3)
150
μA
Input Leakage (SDA, SCL)
IIL
VCC = 5.5V
1
μA
Output Leakage (SDA)
IL
1
μA
VOL = 0.4V
3
Output Current Low (SDA)
IOL
VOL = 0.6V
6
mA
RFS Voltage
VRFS
0.997
V
I/O Capacitance
CI/O
10
pF
OUTPUT CURRENT SOURCE CHARACTERISTICS
(VCC = +2.7V to +5.5V, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output Voltage for Sinking Current
VOUT:SINK
(Note 4)
0.5
3.5
V
Output Voltage for Sourcing
Current
VOUT:SOURCE (Note 4)
0
VCC -
0.75
V
Full-Scale Sink Output Current
IOUT:SINK
(Notes 1, 4)
50
200
μA
Full-Scale Source Output Current
IOUT:SOURCE (Notes 1, 4)
-200
-50
μA
Output Current Full-Scale
Accuracy
IOUT:FS
+25°C, VCC = 3.3V; using 0.1% RFS
resistor, VOUT0 = VOUT1 = 1.2V (Note 2)
±5
%
Output Current Temperature
Coefficient
IOUT:TC
(Note 5)
±130
ppm/°C
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