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參數資料
| 型號： | TMP141AIDBVTG4 |
| 廠商： | Texas Instruments |
| 文件頁數： | 10/24頁 |
| 文件大小： | 662K |
| 描述： | IC TEMP SENSOR DGTL OUT SOT23-6 |
| 標準包裝： | 250 |
| 系列： | SensorPath™ |
| 功能： | 溫度監控系統（傳感器） |
| 傳感器類型： | 內部 |
| 感應溫度： | -40°C ~ 125°C |
| 精確度： | ±3°C（最小值） |
| 拓撲： | ADC（三角積分型），寄存器庫 |
| 輸出類型： | 1 線 SensorPath? |
| 輸出警報： | 無 |
| 輸出風扇： | 無 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-6 |
| 供應商設備封裝： | SOT-23-6 |
| 包裝： | 帶卷 (TR) |
TMP141
SBAS347A MARCH 2005 REVISED JULY 2006
www.ti.com
10
APPLICATIONS INFORMATION
Table 1. Register Set Summary
RESET
BIT POSITION (MSB to the left. In a transmission, the MSB is sent first.)
ADDRESS
(hex)
NAME
R/W
VALUE
(hex)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Device
Reserved
See Table 2
0
Number
R
1
(1)
Not Available (this register is 8 bits long)
0
0
0
0
0
AS2
AS1
AS0
1
Manufacturer
ID
R
104C
0
0
0
1
0
0
0
0
0
1
0
0
1
1
0
0
Revision ID
Device ID
2
Device ID
R
8D
0
0
0
0
0
0
0
0
1
0
0
0
1
1
0
1
Reserved
Function 1
3
Capabilities
R
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
Status
R
0
Not Available (this register is 8 bits long)
BER
0
0
ORUN
0
0
0
SF1
Device
Reserved
Res
Low
Shut
5
evce
Control
R/W
0
0
0
0
0
0
0
0
0
0
0
0
ENAB
0
ow
Pwr
u
Down
Reset
8
Temperature
R
014A
Reserved
Internal
Sense
R
OUT
Size
Sign
Result is10 Bits
Resolution Is 0.25癈
Capabilities
0
0
0
0
0
0
0
1
0
1
0
0
1
0
1
0
Temperature
?/DIV>
?/DIV>
?/DIV>
?/DIV>
?/DIV>
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?/DIV>
?/DIV>
?/DIV>
?/DIV>
Reserved
9
empera ure
Readout
R
0
Sign
64癈
32癈
16癈
8癈
4癈
2癈
1癈
0.5癈
0.25癈
0
0
0
0
0
0
Temperature
A
empera ure
Control
R/W
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
EN_S
AT_E
B1F
Reserved
R
Undefined
20
Conversion
Rate
R/W
2
(2)
Not Available (this register is 8 bits long)
0
0
0
0
0
0
Conversion
Rate
213F
Undefined
Undefined
(1)
See Table 2 for the value of register 0 at Reset.
(2)
See Table 4 for the conversion rate settings.
REGISTER DETAILS
Register 0: Device Number (Read-Only)
Register 0 is an 8-bit register. The device number is
created from the inputs at the address pins. The result is
placed in Register 0 according to Table 2.
Table 2. Device NumberAssignments
ADD1:ADD0
AS2:AS0
BITS 2:0
00
001
01
010
10
011
11
100
ADD1 and ADD0 are the physical pins used to define the
address to which the TMP141 responds tothey are not
the actual addresses. AS2:AS0 is the address to which the
device responds.
Device number 000b is the broadcast address reserved for
communicating with all devices, and can be responded to
by all slave devices. The TMP141 ignores a broadcast
Read transaction. A broadcast Write message may be
used to write to the Device Control Register, which is the
only register which responds to broadcast messages (see
the Device Control Register description).
Register 1: Manufacturer ID (Read-Only)
The Manufacturer ID for Texas Instruments is 104Ch.
Register 2: Device ID (Read-Only)
The device ID is unique for each device produced by TI.
Bits 10:0 contain 8Dh, which is the identifier for the
TMP141. Bits 15:11 identify the revision of the die and will
be incremented upon device revision.
Register 3: Capabilities (Read-Only)
Function 1 for the TMP141 is temperature measurement;
this is the only function defined for the TMP141. This
register has the value of 1h.
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