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參數(shù)資料
DS4402/DS4404
Two/Four-Channel, I2C Adjustable 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 A0, A1, FS0, FS1, FS2, FS3,
OUT0, OUT1, OUT2, and OUT3 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 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, A0, A1)
VIH
0.7 x VCC
VCC + 0.3
V
Input Logic 0 (SDA, SCL, A0, A1)
VIL
-0.3
0.3 x VCC
V
DC ELECTRICAL CHARACTERISTICS
(VCC = +2.7V to +5.5V, TA = -40°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DS4402
500
Supply Current
ICC
VCC = 5.5V
(Note 2)
DS4404
500
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
Address Input Resistors
RIN
240
k
Reference Voltage
VREF
1.23
V
I/O Capacitance
CI/O
10
pF
OUTPUT CURRENT 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 3)
0.5
VCC
V
Output Voltage for Sourcing
Current
VOUT:SOURCE (Note 3)
0
VCC -
0.5
V
Full-Scale Sink Output Current
IOUT:SINK
(Note 3)
0.5
2.0
mA
Full-Scale Source Output Current
IOUT:SOURCE
(Note 3)
-2.0
-0.5
mA
Output-Current Full-Scale
Accuracy
IOUT:FS
+25°C, VCC = 4.0V; using ideal RFS
resistor; VOUT:SINK = 0.5V;
VOUT:SOURCE = VCC - 0.8V
2.5
5.0
%
Output-Current Temperature Drift
IOUT:TC
(Note 4)
70
ppm/°C
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