DS1482 Datasheet, PDF (6/7 Pages) Dallas Semiconductor – 1-Wire Level Shifter and Line Driver with Load Sensor

ABSOLUTE MAXIMUM RATINGS*
Voltage to GND (All Pins)
-0.5V, +6.0V
Combined Source/Sink Current (All Pins)
20mA
Operating Temperature Range
-40°C to +85°C
Junction Temperature
+150°C
Storage Temperature Range
-55°C to +125°C
Lead Temperature (Soldering)
See IPC/JEDEC 020A
ESD requirements are 15kV for the I/O pin and 4kV for all other pins.
DS1482
* This is a stress rating only and functional operation of the device at these or any other conditions
above those indicated in the operation sections of this specification is not implied. Exposure to
absolute maximum rating conditions for extended periods of time may affect reliability.
ELECTRICAL CHARACTERISTICS
(V_CC = 4.5V to 5.5V, V_CCQ = 3.0V to 3.6V; T_A = -40°C to +85°C.)
PARAMETER SYMBOL CONDITIONS
MIN TYP
Supply Current
Supply Current
Supply Ramp-up
Time (System
Requirement)
I_CC
I_CCQ
V_CC, V_CCQ rising from 0
t_RCC to V_CCMIN and V_CCQMIN,
0.1
respectively
1-Wire Pullup
Resistor
R_PUP
850
INPUT PINS SPU, START, TXD
Input High Voltage
Input Low Voltage
V_IH
0.7 x V_CCQ
V_IL
Measured with either 0V
Input Leakage
I_LP or V_CCQ on the pin
(Note 1)
Delay TXD to I/O
t_TI
No DC load on I/O; see
Figure 5 (Note 2)
I/O PIN (1-WIRE)
Output Low Voltage
V_OL 100mA load
Output High Voltage
Pin Leakage Current
Input High Voltage
Input Low Voltage
Comparator
Reference Voltage
V_OH
I_LP
V_IH
V_IL
V_REF
No DC load
(Note 3)
V_CC
-1
0.7 x V_CC
0.995 x
0.99 x V_{CC VCC}
Output Fall Time
(50pF Load)
t_FIO 0.9 x V_CC to 0.1 x V_CC
45
MAX UNITS
150
µA
100
µA
µs
1650
W
V
0.2 x V_CCQ V
3
µA
100
ns
0.4
V
V
+1
µA
V
0.2 x V_CC V
0.998 x
V_CC
V
150
ns
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