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DS2422 Folha de dados(PDF) 3 Page - Dallas Semiconductor

Nome de Peças DS2422
Descrição Electrónicos  1-Wire Temperature/Datalogger with 8kB Datalog Memory
PDF  48 Pages
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Fabricante Electrônico  DALLAS [Dallas Semiconductor]
Página de início  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS2422 Folha de dados(HTML) 3 Page - Dallas Semiconductor

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DS2422
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PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
I/O Pin, 1-Wire Write
Standard speed
60
120
Overdrive speed, VPUP > 4.5V
(Note 12)
6
12
Write-0 Low Time (Note 1)
tW0L
Overdrive speed (Note 12)
7.5
12
µs
Standard speed
5
15 -
e
Write-1 Low Time
(Notes 1, 14)
tW1L
Overdrive speed
1
1.95 -
e
µs
I/O Pin, 1-Wire Read
Standard speed
5
15 -
d
Read Low Time
(Notes 1, 15)
tRL
Overdrive speed
1
1.95 -
d
µs
Standard speed
tRL +
d
15
Read Sample Time
(Notes 1, 15)
tMSR
Overdrive speed
tRL +
d
1.95
µs
ALARM Output Pin
Output Low Voltage
VOL
Sink current 4mA
0.6
V
Pin Leakage Current
ILP
ALARM pin at 6V
6
µA
CNVST, SCLK Output Pins
VPAD = 5V, IL = 3mA
0.3
Output Low Voltage
VOL
VPAD = 3V, IL = 3mA
0.3
V
VPAD = 5V, IL = 3mA
4
Output High Voltage
VOH
VPAD = 3V, IL = 3mA
2
V
PUMP_ONZ Output Pin
VBAT = 3.6V, IL = 2mA
0.4
Output Low Voltage
VOL
VBAT = 2.0V, IL = 2mA
0.4
V
Output High Voltage
VBAT = 3.6V, IL = 0.5mA
2.5
VOH
VBAT = 2.0V, IL = 0.5mA
1.4
V
SDATA Input Pin
VBAT = 3.6V
2.5
Input High Voltage
VIH
VBAT = 2.0V
1.4
V
VBAT = 3.6V
0.4
Input Low Voltage
VIL
VBAT = 2.0V
0.4
V
Pin Leakage Current
ILP
SDATA pin at 5.5V
10
µA
Serial Interface Timing
CLK Period
tRING
0.5
1
9
µs
PUMP_ONZ Fall to
CNVST Rise
tSP
Power-on default (Notes 4, 19)
3.5
4
4.5
ms
CNVST Pulse Width
tCPW
(Note 4)
70
140
1260
µs
CNVST Fall to SCLK High
(First Clock)
tSCH
(Note 4)
8
16
144
µs
SCLK Period
tSCP
50% duty cycle (Note 4)
1
2
18
µs
SDATA Setup Time
tSDS
(Note 4)
75
ns
SDATA Hold Time
tSDH
(Note 4)
3
ns
Real-Time Clock
Accuracy
+25°C (Note 16)
-2
+2
min./
month
Frequency Deviation
DF
-40°C to +85°C (Note 16)
-300
+60
PPM
Temperature Converter
Operating Range
TTC
3V at VBAT
-40
+85
°C
8-bit mode
30
50
75
Conversion Time (Note 4)
tCONV
16-bit mode (11 bits)
240
400
600
ms
Thermal Response Time
Constant (Notes 4, 17)
tRESP
SO package
95
s
+10°C to +60°C
Conversion Error
(Notes 4, 18)
DJ
-40°C to +85°C
See Temperature Accuracy
Graphs
°C
Conversion Current
ICONV
(Note 4)
180
350
550
µA



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