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TMP451 데이터시트(PDF) 5 Page - Texas Instruments

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부품명 TMP451
상세설명  TMP451-Q1 짹1째C Remote and Local Temperature Sensor with 管-Factor and Offset Correction, Series-Resistance Cancellation, and Programmable Digital Filter
PDF  34 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

TMP451 데이터시트(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
TMP451-Q1
www.ti.com
SLOS877 – OCTOBER 2014
Electrical Characteristics (continued)
At TA = –40°C to 125°C and V+ = 3.3 V, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
POWER SUPPLY
V(V+)
Specified voltage range
1.7
3.6
V
0.0625 conversions per second
27
40
μA
16 conversions per second
165
250
μA
32 conversions per second
300
450
μA
IQ
Quiescent current
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
FAST MODE
HIGH-SPEED MODE
PARAMETER
MIN
MAX
MIN
MAX
UNIT
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
Hold time after repeated START condition. After this period, the first clock is
t(HDSTA)
600
160
ns
generated.
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
Copyright © 2014, Texas Instruments Incorporated
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