DS1624(2015) Просмотр технического описания (PDF) - Maxim Integrated
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DS1624 Datasheet PDF : 14 Pages
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DS1624
Digital Thermometer and Memory
Table 1. Temperature/Data Relationships
TEMP (°C)
+125
+25.0625
+0.5
0
-0.5
-25.0625
-55
DIGITAL OUTPUT
(BINARY)
01111101 00000000
00011001 00010000
00000000 10000000
00000000 00000000
11111111 10000000
11100110 11110000
11001001 00000000
DIGITAL OUTPUT
(HEX)
7D00h
1910h
0080h
0000h
FF80h
E6F0h
C900h
Temperature is represented in the DS1624 in terms of a 0.0625°C LSB, yielding the following 12-bit example:
MSB
0
0
0
1
1
0
0
1
LSB
0
0
0
1
0
0
0
0
= +25.0625°C
Operation and Control
A configuration/status register is used to determine the method of operation the DS1624 will use in a particular application
as well as indicating the status of the temperature conversion operation.
The configuration register is defined as follows:
CONFIGURATION/STATUS REGISTER
DONE
0
0
0
1
0
1
1SHOT
where:
DONE = Conversion Done bit, “1” = Conversion complete, “0” = conversion in progress.
1SHOT = One Shot Mode. If 1SHOT is “1,” the DS1624 performs one temperature conversion upon receipt of the Start
Convert T protocol. If 1SHOT is “0,” the DS1624 continuously performs temperature conversions. This bit is nonvolatile
and the DS1624 is shipped with 1SHOT = “0.”
Since the configuration register is implemented in E2, writes to the register require 10ms to complete. After issuing a
command to write to the configuration register, no further accesses to the DS1624 should be made for at least 10ms.
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