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TMP451 bảng dữ liệu(PDF) 5 Page - Texas Instruments

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tên linh kiện TMP451
Giải thích chi tiết về linh kiện  짹1째C Remote and Local Temperature Sensor With 管-Factor and Offset Correction, Series-Resistance Cancellation, and Programmable Digital Filter
PDF  37 Pages
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Trang chủ  http://www.ti.com
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TMP451 bảng dữ liệu(HTML) 5 Page - Texas Instruments

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SCL
SDA
t
(LOW)
t
R
t
F
t
(HDSTA)
t
(HDSTA)
t
(HDDAT)
t
(BUF)
t
(SUDAT)
t
(HIGH)
t
(SUSTA)
t
(SUSTO)
P
S
S
P
5
TMP451-Q1
www.ti.com
SLOS877B – OCTOBER 2014 – REVISED JUNE 2019
Product Folder Links: TMP451-Q1
Submit Documentation Feedback
Copyright © 2014–2019, Texas Instruments Incorporated
Electrical Characteristics (continued)
At TA = –40°C to 125°C and V+ = 3.3 V, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
DIGITAL OUTPUTS (THERM, ALERT/THERM2)
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(V+)
Specified voltage range
1.7
3.6
V
IQ
Quiescent current
0.0625 conversions per second
27
40
μA
16 conversions per second
165
250
μA
32 conversions per second
300
450
μA
Serial bus inactive, shutdown mode
3
8
μA
Serial bus active, ƒS = 400 kHz, shutdown mode
90
μA
Serial bus active, ƒS = 2.5 MHz, shutdown mode
350
μA
POR
Power-on reset threshold
1.2
1.55
V
6.6 Timing Characteristics for Figure 1
PARAMETER
FAST MODE
HIGH-SPEED MODE
UNIT
MIN
MAX
MIN
MAX
ƒ(SCL)
SCL operating frequency
0.001
0.4
0.001
2.5
MHz
t(BUF)
Bus free time between STOP and START Condition
1300
260
ns
t(HDSTA)
Hold time after repeated START condition. After this period, the first clock is
generated.
600
160
ns
t(SUSTA)
Repeated START condition setup time
600
160
ns
t(SUSTO)
STOP condition setup time
600
160
ns
t(HDDAT)
Data hold time
0
900
0
150
ns
t(SUDAT)
Data setup time
100
30
ns
t(LOW)
SCL clock LOW period
1300
260
ns
t(HIGH)
SCL clock HIGH period
600
60
ns
tF, tR – SDA
Data fall and rise time
300
80
ns
tF, tR – SCL
Clock fall and rise time
300
40
ns
tR
Rise time for SCL
≤ 100 kHz
1000
ns
Figure 1. Two-Wire Timing Diagram



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