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Номер в каталоге
Компоненты Описание
DS2422S Просмотр технического описания (PDF) - Dallas Semiconductor -> Maxim Integrated
Номер в каталоге
Компоненты Описание
производитель
DS2422S
1-Wire Temperature/Datalogger with 8kB Datalog Memory
Dallas Semiconductor -> Maxim Integrated
DS2422S Datasheet PDF : 48 Pages
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PARAMETER
I/O Pin, 1-Wire Write
SYMBOL
Write-0 Low Time (Note 1)
t
W0L
Write-1 Low Time
(Notes 1, 14)
I/O Pin, 1-Wire Read
Read Low Time
(Notes 1, 15)
Read Sample Time
(Notes 1, 15)
ALARM Output Pin
Output Low Voltage
Pin Leakage Current
CNVST, SCLK Output Pins
Output Low Voltage
Output High Voltage
PUMP_ONZ Output Pin
Output Low Voltage
Output High Voltage
SDATA Input Pin
Input High Voltage
Input Low Voltage
Pin Leakage Current
Serial Interface Timing
CLK Period
PUMP_ONZ Fall to
CNVST Rise
CNVST Pulse Width
CNVST Fall to SCLK High
(First Clock)
SCLK Period
SDATA Setup Time
SDATA Hold Time
Real-Time Clock
Accuracy
Frequency Deviation
Temperature Converter
Operating Range
Conversion Time (Note 4)
Thermal Response Time
Constant (Notes 4, 17)
Conversion Error
(Notes 4, 18)
Conversion Current
t
W1L
t
RL
t
MSR
V
OL
I
LP
V
OL
V
OH
V
OL
V
OH
V
IH
V
IL
I
LP
t
RING
t
SP
t
CPW
t
SCH
t
SCP
t
SDS
t
SDH
D
F
T
TC
t
CONV
t
RESP
DJ
I
CONV
CONDITIONS
Standard speed
Overdrive speed, V
PUP
> 4.5V
(Note 12)
Overdrive speed (Note 12)
Standard speed
Overdrive speed
Standard speed
Overdrive speed
Standard speed
Overdrive speed
Sink current 4mA
ALARM pin at 6V
V
PAD
= 5V, I
L
= 3mA
V
PAD
= 3V, I
L
= 3mA
V
PAD
= 5V, I
L
= 3mA
V
PAD
= 3V, I
L
= 3mA
V
BAT
= 3.6V, I
L
= 2mA
V
BAT
= 2.0V, I
L
= 2mA
V
BAT
= 3.6V, I
L
= 0.5mA
V
BAT
= 2.0V, I
L
= 0.5mA
V
BAT
= 3.6V
V
BAT
= 2.0V
V
BAT
= 3.6V
V
BAT
= 2.0V
SDATA pin at 5.5V
Power-on default (Notes 4, 19)
(Note 4)
(Note 4)
50% duty cycle (Note 4)
(Note 4)
(Note 4)
+25°C (Note 16)
-40°C to +85°C (Note 16)
3V at V
BAT
8-bit mode
16-bit mode (11 bits)
SO package
+10°C to +60°C
-40°C to +85°C
(Note 4)
DS2422
MIN
TYP
MAX UNITS
60
120
6
12
µs
7.5
12
5
1
15 -
e
1.95 -
e
µs
5
1
t
RL
+
d
t
RL
+
d
15 -
d
1.95 -
d
µs
15
1.95
µs
0.6
V
6
µA
0.3
0.3
V
4
2
V
0.4
0.4
V
2.5
1.4
V
2.5
1.4
V
0.4
0.4
V
10
µA
0.5
1
9
µs
3.5
4
4.5
ms
70
140
1260
µs
8
16
144
µs
1
2
18
µs
75
ns
3
ns
-2
-300
+2
min./
month
+60
PPM
-40
+85
°C
30
50
75
240
400
600
ms
95
s
See
Temperature Accuracy
Graphs
°C
180
350
550
µA
3 of 48
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