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TMP451JQDQFTQ1 Datasheet(PDF) 4 Page - Texas Instruments

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Part No. TMP451JQDQFTQ1
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

TMP451JQDQFTQ1 Datasheet(HTML) 4 Page - Texas Instruments

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TMP451-Q1
SLOS877B – OCTOBER 2014 – REVISED JUNE 2019
www.ti.com
Product Folder Links: TMP451-Q1
Submit Documentation Feedback
Copyright © 2014–2019, Texas Instruments Incorporated
6.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
Supply voltage
1.7
3.3
3.6
V
TA
Operating free-air temperature
–40
125
°C
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report (SPRA953).
6.4 Thermal Information
THERMAL METRIC(1)
TMP451-Q1
UNIT
DQF (WSON)
DQW
(WSON)
8 PINS
8 PINS
RθJA
Junction-to-ambient thermal resistance
171.3
128.5
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
81.4
67.9
°C/W
RθJB
Junction-to-board thermal resistance
137.9
56.9
°C/W
ψJT
Junction-to-top characterization parameter
3.9
4.4
°C/W
ψJB
Junction-to-board characterization parameter
140
56.5
°C/W
RθJC(bot)
Junction-to-case (bottom) thermal resistance
°C/W
(1)
Tested with less than 5-
Ω effective series resistance and 100-pF differential input capacitance.
6.5 Electrical Characteristics
At TA = –40°C to 125°C and V+ = 3.3 V, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
TEMPERATURE ERROR
TELOCAL
Local temperature sensor
TA = 0°C to 70°C
±0.25
±1
°C
TA = –40°C to 125°C
±1
±2
°C
TEREMOTE
Remote temperature sensor(1)
TA = 0°C to 70°C, TD = –55°C to 150°C
±0.25
±1
°C
TA = –40°C to 100°C, TD = –55°C to 150°C
±1
±2
°C
TA = –40°C to 125°C, TD = –55°C to 150°C
±2
±4
°C
Remote temperature sensor versus supply
(local or remote)
V+ = 1.7 V to 3.6 V
±0.1
±0.25
°C/V
TEMPERATURE MEASUREMENT
Conversion time
One-Shot mode, local and remote total
31
34
ms
Local temperature sensor resolution
12
Bits
Remote temperature sensor resolution
12
Bits
Remote sensor source current, high
Series resistance 1 k
Ω max
120
μA
Remote sensor source current, medium
45
μA
Remote sensor source current, low
7.5
μA
η
Remote transistor ideality factor
TMP451-Q1 optimized ideality factor
1.008
SMBus INTERFACE
VIH
High-level input voltage
1.4
V
VIL
Low-level input voltage
0.45
V
Hysteresis
200
mV
SMBus output low sink current
6
mA
VOL
Low-level output voltage
IO = 6 mA
0.15
0.4
V
Logic input current
0 V
≤ VI ≤ 3.6 V
–1
1
μA
SMBus input capacitance
3
pF
SMBus clock frequency
0.01
2.5
MHz
SMBus timeout
20
25
30
ms
SCL falling edge to SDA valid time
1
μs


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