参数资料
型号: TMP401AIDGKR
厂商: Texas Instruments
文件页数: 3/28页
文件大小: 881K
描述: IC REMOTE TEMP SENSOR PROG 8MSOP
标准包装: 1
功能: 温度监控系统(传感器)
传感器类型: 内部和外部
感应温度: -40°C ~ 125°C
精确度: ±3°C 本地(最大),±5°C 远程(最大)
拓扑: ADC,比较器,寄存器库
输出类型: 2 线 SMBus?
输出警报:
输出风扇:
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 标准包装
产品目录页面: 1079 (CN2011-ZH PDF)
其它名称: 296-20710-6
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
Medium High
60
Medium Low
12
Low
6
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
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
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
8 Conversions per Second
350
425
Serial Bus Inactive, Shutdown Mode
3
10
Serial Bus Active, f
S
 = 400kHz, Shutdown Mode
90
Serial Bus Active, f
S
 = 3.4MHz, Shutdown Mode
350
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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