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TMP461AIRUNT датащи(PDF) 5 Page - Texas Instruments

номер детали TMP461AIRUNT
подробное описание детали  High-Accuracy Remote and Local Temperature Sensor with Pin-Programmable Bus Address
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
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TMP461AIRUNT датащи(HTML) 5 Page - Texas Instruments

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TMP461
www.ti.com
SBOS722B – JUNE 2015 – REVISED AUGUST 2016
Product Folder Links: TMP461
Submit Documentation Feedback
Copyright © 2015–2016, Texas Instruments Incorporated
7.5 Electrical Characteristics
At TA = –40°C to 125°C and V+ = 1.7 V to 3.6 V, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
TEMPERATURE MEASUREMENT
TALOCAL
Local temperature sensor accuracy
TA = –10°C to 100°C, V+ = 1.7 V to 3.6 V
-1
±0.125
+1
°C
TA = –40°C to 125°C, V+ = 1.7 V to 3.6 V
-1.25
±0.5
+1.25
TAREMOTE
Remote temperature sensor accuracy
TA = 0°C to 100°C, TD = –55°C to 150°C,
V+ = 1.7 V to 3.6 V
-0.75
±0.125
+ 0.75
°C
TA = –40°C to 125°C, TD = –55°C to 150°C,
V+ = 1.7 V to 3.6 V
-1.5
±0.5
+1.5
Temperature sensor error versus supply
(local or remote)
V+ = 1.7 V to 3.6 V
-0.25
±0.1
+0.25
°C/V
Temperature resolution
(local and remote)
0.0625
°C
ADC conversion time
One-shot mode, per channel (local or remote)
15
17
ms
ADC resolution
12
Bits
Remote sensor
source current
High
Series resistance 1 k
Ω (max)
88
120
152
µA
Medium
33
45
57
Low
5.5
7.5
9.5
η
Remote transistor ideality factor
TMP461 optimized ideality factor
1.008
SERIAL INTERFACE
VIH
High-level input voltage
1.4
V
VIL
Low-level input voltage
0.45
V
Hysteresis
200
mV
SDA output-low sink current
6
mA
VOL
Low-level output voltage
IO = –6 mA
0.15
0.4
V
Serial bus input leakage current
0 V
≤ VIN ≤ 3.6 V
–1
1
μA
Serial bus input capacitance
SCL
3
6
pF
SDA
4.6
9
pF
Serial bus clock frequency
0.001
2.17
MHz
Serial bus timeout
20
25
30
ms
DIGITAL INPUTS (A0, A1)
VIH
High-level input voltage
0.9(V+)
(V+) + 0.3
V
VIL
Low-level input voltage
–0.3
0.1(V+)
V
Input leakage current
0 V
≤ VIN ≤ 3.6 V
–1
1
μA
Input capacitance
2.5
5
pF
DIGITAL OUTPUTS (THERM, ALERT/THERM2)
Output-low sink current
6
mA
VOL
Low-level output voltage
IO = –6 mA
0.15
0.4
V
IOH
High-level output leakage current
VO = V+
1
μA
POWER SUPPLY
V+
Specified supply voltage range
1.7
3.6
V
IQ
Quiescent current
Active conversion, local sensor
240
375
µA
Active conversion, remote sensor
400
600
Standby mode (between conversions)
15
35
Shutdown mode, serial bus inactive
3
8
Shutdown mode, serial bus active, fS = 400 kHz
90
Shutdown mode, serial bus active, fS = 2.17 MHz
350
POR
Power-on reset threshold
Rising edge
1.2
1.55
V


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