參數(shù)資料
型號: TMP401AIDGKTG4
廠商: Texas Instruments
文件頁數(shù): 3/28頁
文件大?。?/td> 881K
描述: IC TEMP SENSOR DGTL OUT 8-MSOP
標(biāo)準(zhǔn)包裝: 250
功能: 溫度監(jiān)控系統(tǒng)(傳感器)
傳感器類型: 內(nèi)部和外部
感應(yīng)溫度: -40°C ~ 125°C
精確度: ±3°C 本地(最大),±5°C 遠(yuǎn)程(最大)
拓?fù)洌?/td> ADC,比較器,寄存器庫
輸出類型: 2 線 SMBus?
輸出警報:
輸出風(fēng)扇:
電源電壓: 3 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 8-MSOP
包裝: 帶卷 (TR)
TMP401
SBOS371A  AUGUST 2006  REVISED OCTOBER 2007
www.ti.com
3
ELECTRICAL CHARACTERISTICS: V
S
 = 3V to 5.5V
At T
A
 = 40癈 to +125癈, and V
S
 = 3V to 5.5V, unless otherwise noted.
TMP401
PARAMETER
CONDITION
MIN
TYP
MAX
UNITS
TEMPERATURE ERROR
Local Temperature Sensor
TE
LOCAL
T
A
 = 40癈 to +125癈
?
?
Remote Temperature Sensor
(1)
TE
REMOTE
T
A
 = +15癈 to +75癈, T
D
 = 40癈 to +150癈, V
S
 = 3.3V
?
T
A
 = 40癈 to +100癈, T
D
 = 40癈 to +150癈, V
S
 = 3.3V
?
T
A
 = 40癈 to +125癈, T
D
 = 40癈 to +150癈
?
vs Supply
Local/Remote
V
S
 = 3V to 5.5V
?.2
?.5
癈/V
TEMPERATURE MEASUREMENT
Conversion Time (per channel)
One Shot Mode
115
ms
Resolution
Local Temperature Sensor (programmable)
9
12
Bits
Remote Temperature Sensor
12
Bits
Remote Sensor Source Currents
High
Series Resistance 3k& Max
120
礎(chǔ)
Medium High
60
礎(chǔ)
Medium Low
12
礎(chǔ)
Low
6
礎(chǔ)
Remote Transistor Ideality Factor
?/DIV>
TMP401 Optimized Ideality Factor
1.008
SMBus INTERFACE
Logic Input High Voltage (SCL, SDA)
V
IH
2.1
V
Logic Input Low Voltage (SCL, SDA)
V
IL
0.8
V
Hysteresis
500
mV
SMBus Output Low Sink Current
6
mA
Logic Input Current
1
+1
礎(chǔ)
SMBus Input Capacitance (SCL, SDA)
3
pF
SMBus Clock Frequency
3.4
MHz
SMBus Timeout
30
35
ms
SCL Falling Edge to SDA Valid Time
1
DIGITAL OUTPUTS
Output Low Voltage
V
OL
I
OUT
 = 6mA
0.15
0.4
V
High-Level Output Leakage Current
I
OH
V
OUT
 = V
S
0.1
1
礎(chǔ)
ALERT
/THERM2
 Output Low Sink Current
ALERT
/THERM2
 Forced to 0.4V
6
mA
THERM
 Output Low Sink Current
THERM
 Forced to 0.4V
6
mA
POWER SUPPLY
Specified Voltage Range
V
S
3
5.5
V
Quiescent Current
I
Q
0.0625 Conversions per Second
25
30
礎(chǔ)
8 Conversions per Second
350
425
礎(chǔ)
Serial Bus Inactive, Shutdown Mode
3
10
礎(chǔ)
Serial Bus Active, f
S
 = 400kHz, Shutdown Mode
90
礎(chǔ)
Serial Bus Active, f
S
 = 3.4MHz, Shutdown Mode
350
礎(chǔ)
Power-On Reset Threshold
POR
1.6
2.5
V
TEMPERATURE RANGE
Specified Range
40
+125
Storage Range
60
+130
Thermal Resistance
q
JA
MSOP-8
150
癈/W
(1)
Tested with less than 5& effective series resistance and 100pF differential input capacitance.
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