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TMP468AIYFFT Datasheet(PDF) 5 Page - Texas Instruments

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Part # TMP468AIYFFT
Description  9-Channel (8-Remote and 1-Local), High-Accuracy Temperature Sensor
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TMP468AIYFFT Datasheet(HTML) 5 Page - Texas Instruments

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5
TMP468
www.ti.com
SBOS762 – NOVEMBER 2016
Product Folder Links: TMP468
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Copyright © 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
TLOCAL
Local temperature sensor accuracy
TA = 20°C to 30°C, V+ = 1.7 V to 2 V
–0.35
±0.125
0.35
°C
TA = –40°C to 125°C, V+ = 1.7 V to 2.0 V
–0.75
±0.125
0.75
TA = –40°C to 125°C, V+ = 1.7 V to 3.6 V
–1
±0.5
1
TREMOTE
Remote temperature sensor accuracy
TA = –10°C to 50°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
±0.5
1
Local temperature error supply sensitivity
V+ = 1.7 V to 3.6 V
–0.15
±0.05
0.15
°C/V
Remote temperature error supply
sensitivity
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)
16
17
ms
ADC resolution
13
Bits
Remote sensor
source current
High
Series resistance 1 k
Ω (maximum)
120
µA
Medium
45
Low
7.5
η
Remote transistor ideality factor
1.008
SERIAL INTERFACE (SCL, SDA)
VIH
High-level input voltage
0.7 × (V+)
V
VIL
Low-level input voltage
0.3 × (V+)
V
Hysteresis
200
mV
SDA output-low sink current
20
mA
VOL
Low-level output voltage
IO = –20 mA; V+ ≥ 2 V
0.15
0.4
V
IO = –15 mA; V+ < 2 V
0.2 × V+
V
Serial bus input leakage current
0 V
≤ VIN ≤ 3.6 V
–1
1
μA
Serial bus input capacitance
4
pF
DIGITAL INPUTS (ADD)
VIH
High-level input voltage
0.7 × (V+)
V
VIL
Low-level input voltage
–0.3
0.3 × (V+)
V
Input leakage current
0 V
≤ VIN ≤ 3.6 V
–1
1
μA
Input capacitance
4
pF
DIGITAL OUTPUTS (THERM, THERM2)
Output-low sink current
VOL = 0.4 V
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 sensors
400
600
Standby mode (between conversions)
15
21
Shutdown mode, serial bus inactive
0.3
4
Shutdown mode, serial bus active, fS = 400 kHz
120
Shutdown mode, serial bus active, fS = 2.56 MHz
300
POR
Power-on-reset threshold
Rising edge
1.5
1.65
V
Falling edge
1
1.2
1.35
POH
Power-on-reset hysteresis
0.2
V


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