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TMP451JQDQWRQ1 Datasheet(PDF) 9 Page - Texas Instruments

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Part No. TMP451JQDQWRQ1
Description  TMP451-Q1 짹1째C Remote and Local Temperature Sensor With 管-Factor and Offset Correction, Series-Resistance Cancellation, and Programmable Digital Filter
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TMP451JQDQWRQ1 Datasheet(HTML) 9 Page - Texas Instruments

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TMP451-Q1
www.ti.com
SLOS877B – OCTOBER 2014 – REVISED JUNE 2019
Product Folder Links: TMP451-Q1
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Copyright © 2014–2019, Texas Instruments Incorporated
Feature Description (continued)
(1)
Resolution is 1°C/count. Negative values produce a read of 0°C.
(2)
Resolution is 1°C/count. All values are unsigned with a –64°C offset.
Table 1. Temperature Data Format (Local and Remote Temperature High Bytes)
TEMPERATURE
(°C)
LOCAL AND REMOTE TEMPERATURE REGISTER
HIGH BYTE VALUE (1°C RESOLUTION)
STANDARD BINARY(1)
EXTENDED BINARY(2)
BINARY
HEX
BINARY
HEX
–64
0000 0000
00
0000 0000
00
–50
0000 0000
00
0000 1110
0E
–25
0000 0000
00
0010 0111
27
0
0000 0000
00
0100 0000
40
1
0000 0001
01
0100 0001
41
5
0000 0101
05
0100 0101
45
10
0000 1010
0A
0100 1010
4A
25
0001 1001
19
0101 1001
59
50
0011 0010
32
0111 0010
72
75
0100 1011
4B
1000 1011
8B
100
0110 0100
64
1010 0100
A4
125
0111 1101
7D
1011 1101
BD
127
0111 1111
7F
1011 1111
BF
150
0111 1111
7F
1101 0110
D6
175
0111 1111
7F
1110 1111
EF
191
0111 1111
7F
1111 1111
FF
(1)
Resolution is 0.0625°C/count. All possible values are shown.
Both local and remote temperature data use two bytes for data storage. The high byte stores the temperature
with 1°C resolution. The second or low byte stores the decimal fraction value of the temperature and allows a
higher measurement resolution, as shown in Table 2. The measurement resolution for both the local and the
remote channels is 0.0625°C.
Table 2. Decimal Fraction Temperature Data Format (Local and Remote Temperature Low Bytes)
TEMP
(°C)
TEMPERATURE REGISTER LOW BYTE VALUE
(0.0625°C RESOLUTION)(1)
STANDARD AND EXTENDED BINARY
HEX
0
0000 0000
00
0.0625
0001 0000
10
0.1250
0010 0000
20
0.1875
0011 0000
30
0.2500
0100 0000
40
0.3125
0101 0000
50
0.3750
0110 0000
60
0.4375
0111 0000
70
0.5000
1000 0000
80
0.5625
1001 0000
90
0.6250
1010 0000
A0
0.6875
1011 0000
B0
0.7500
1100 0000
C0
0.8125
1101 0000
D0
0.8750
1110 0000
E0
0.9385
1111 0000
F0


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