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TMP423AQDCNTQ1 데이터시트(PDF) 6 Page - Texas Instruments

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부품명 TMP423AQDCNTQ1
상세설명  Remote and Local Temperature Sensor
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
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TMP421-Q1, TMP422-Q1, TMP423-Q1
SBOS821 – NOVEMBER 2016
www.ti.com
Product Folder Links: TMP421-Q1 TMP422-Q1 TMP423-Q1
Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
(1)
Tested with less than 5-
Ω effective series resistance and 100-pF differential input capacitance.
7.5 Electrical Characteristics
at TA = –40°C to +125°C and V+ = 2.7 V to 5.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TEMPERATURE ERROR
TELOCAL
Local temperature sensor
TA = –40°C to +125°C
–2.5
±1.25
2.5
°C
TA = 15°C to 85°C, V+ = 3.3 V
–1.5
±0.25
1.5
TEREMOTE
Remote temperature sensor(1)
TA = 15°C to 85°C, TD = –40°C to +150°C, V+ = 3.3 V
–1
±0.25
1
°C
TA = –40°C to +100°C, TD = –40°C to +150°C, V+ = 3.3 V
–3
±1
3
TA = –40°C to +125°C, TD = –40°C to +150°C
–5
±3
5
PSS
Local and remote power-supply
sensitivity
V+ = 2.7 V to 5.5 V
–0.5
±0.2
0.5
°C/V
TEMPERATURE MEASUREMENT
Conversion time (per channel)
100
115
130
ms
Resolution
Local temperature sensor (programmable)
12
Bits
Remote temperature sensor
12
Remote sensor source currents
High, series resistance = 3 k
Ω maximum
120
μA
Medium high
60
Medium low
12
Low
6
η
Remote transistor ideality factor
TMP42x-Q1 optimized ideality factor
1.008
SMBus INTERFACE
VIH
Logic input high voltage (SCL, SDA)
2.1
V
VIL
Logic input low voltage (SCL, SDA)
0.8
V
Hysteresis
500
mV
SMBus output low sink current
6
mA
VOL
SDA output low voltage
IOUT = 6 mA
0.15
0.4
V
Logic input current
0
≤ VIN ≤ 6 V
–1
1
μA
DIGITAL INPUTS
Input capacitance
3
pF
VIH
Input logic high voltage
0.7(V+)
(V+)+0.5
V
VIL
Input logic low voltage
–0.5
0.3(V+)
V
IIN
Leakage input current
0 V
≤ VIN ≤ V+
1
μA
POWER SUPPLY
V+
Specified voltage range
2.7
5.5
V
IQ
Quiescent current
0.0625 conversions per second
32
38
μA
Eight conversions per second
400
525
μA
Serial bus inactive, shutdown mode
3
10
μA
Serial bus active, fS = 400 kHz, shutdown mode
90
μA
Serial bus active, fS = 3.4 MHz, shutdown mode
350
μA
UVLO
Undervoltage lockout
2.3
2.4
2.6
V
POR
Power-on-reset threshold
1.6
2.3
V


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