參數(shù)資料
型號(hào): DS2422S
英文描述: 1-Wire Temperature/Datalogger with 8kB Datalog Memory
中文描述: 1 - Wire溫度/數(shù)據(jù)記錄器與8kB的數(shù)據(jù)記錄存儲(chǔ)器
文件頁(yè)數(shù): 3/48頁(yè)
文件大?。?/td> 444K
代理商: DS2422S
DS2422
UNITS
3 of 48
PARAMETER
I/O Pin, 1-Wire Write
SYMBOL
CONDITIONS
MIN
TYP
MAX
Standard speed
Overdrive speed, V
PUP
> 4.5V
(Note 12)
Overdrive speed (Note 12)
Standard speed
Overdrive speed
60
120
6
12
Write-0 Low Time (Note 1)
t
W0L
7.5
5
1
12
μs
15 -
1.95 -
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
t
W1L
μs
Standard speed
Overdrive speed
Standard speed
Overdrive speed
5
1
15 -
1.95 -
15
1.95
t
RL
μs
t
RL
+
t
RL
+
t
MSR
μs
V
OL
I
LP
Sink current 4mA
ALARM pin at 6V
0.6
6
V
μA
V
PAD
= 5V, I
L
= 3mA
V
PAD
= 3V, I
L
= 3mA
V
PAD
= 5V, I
L
= 3mA
V
PAD
= 3V, I
L
= 3mA
0.3
0.3
Output Low Voltage
V
OL
V
4
2
Output High Voltage
V
OH
V
PUMP_ONZ Output Pin
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
0.4
0.4
Output Low Voltage
V
OL
V
Output High Voltage
2.5
1.4
V
OH
V
SDATA Input Pin
V
BAT
= 3.6V
V
BAT
= 2.0V
V
BAT
= 3.6V
V
BAT
= 2.0V
SDATA pin at 5.5V
2.5
1.4
Input High Voltage
V
IH
V
0.4
0.4
10
Input Low Voltage
V
IL
V
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
I
LP
μA
t
RING
0.5
1
9
μs
t
SP
Power-on default (Notes 4, 19)
3.5
4
4.5
ms
t
CPW
(Note 4)
70
140
1260
μs
t
SCH
(Note 4)
8
16
144
μs
t
SCP
t
SDS
t
SDH
50% duty cycle (Note 4)
(Note 4)
(Note 4)
1
75
3
2
18
μs
ns
ns
Accuracy
+25°C (Note 16)
-2
+2
min./
month
PPM
Frequency Deviation
Temperature Converter
Operating Range
F
-40°C to +85°C (Note 16)
-300
+60
T
TC
3V at V
BAT
8-bit mode
16-bit mode (11 bits)
-40
30
240
+85
75
600
°C
50
400
Conversion Time (Note 4)
t
CONV
ms
Thermal Response Time
Constant (Notes 4, 17)
Conversion Error
(Notes 4, 18)
Conversion Current
RESP
SO package
95
s
+10°C to +60°C
-40°C to +85°C
(Note 4)
See
Temperature Accuracy
Graphs
180
350
°C
I
CONV
550
μA
相關(guān)PDF資料
PDF描述
DS2482-800 Eight-Channel 1-Wire Master
DS2482-100 Single-Channel 1-Wire Master
DS2482S-100 Single-Channel 1-Wire Master
DS2482S-800 Eight-Channel 1-Wire Master
DS2502-E48 48-Bit Node Address Chip
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