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參數(shù)資料
| 型號： | LM75BDP |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 工業(yè)控制 |
| 英文描述： | Digital temperature sensor and thermal watchdog |
| 封裝： | LM75BD<SOT96-1 (SO8)|<<http://www.nxp.com/packages/SOT96-1.html<1<Always Pb-free,;LM75BD<SOT96-1 (SO8)|<<http://www.nxp.com/packages/SOT96-1.html<1<Always Pb-free,; |
| 文件頁數(shù)： | 7/29頁 |
| 文件大?。?/td> | 164K |
| 代理商： | LM75BDP |
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LM75B_2
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 02 — 9 December 2008
7 of 29
NXP Semiconductors
LM75B
Digital temperature sensor and thermal watchdog
7.4.1
Pointer register
The Pointer register contains an 8-bit data byte, of which the two LSB bits represent the
pointer value of the other four registers, and the other 6 MSB bits are equal to 0, as shown
in
Table 5
and
Table 6
. The Pointer register is not accessible to the user, but is used to
select the data register for write/read operation by including the pointer data byte in the
bus command.
Because the Pointer value is latched into the Pointer register when the bus command
(which includes the pointer byte) is executed, a read from the LM75B may or may not
include the pointer byte in the statement. To read again a register that has been recently
read and the pointer has been preset, the pointer byte does not have to be included. To
read a register that is different from the one that has been recently read, the pointer byte
must be included. However, a write to the LM75B must always include the pointer byte in
the statement. The bus communication protocols are described in
Section 7.10
.
At power-up, the Pointer value is equal to 00 and the Temp register is selected; users can
then read the Temp data without specifying the pointer byte.
7.4.2
Configuration register
The Configuration register (Conf) is a write/read register and contains an 8-bit
non-complement data byte that is used to configure the device for different operation
conditions.
Table 7
shows the bit assignments of this register.
Table 5.
B7
0
Pointer register
B6
0
B5
0
B4
0
B3
0
B2
0
B[1:0]
pointer value
Table 6.
B1
0
0
1
1
Pointer value
B0
0
1
0
1
Selected register
Temperature register (Temp)
Configuration register (Conf)
Hysteresis register (Thyst)
Overtemperature shutdown register (Tos)
Table 7.
Legend: * = default value.
Bit
Symbol
B[7:5]
reserved
Conf register
Access Value Description
R/W
000*
reserved for manufacturer’s use; should be kept as
zeroes for normal operation
OS fault queue programming
queue value = 1
queue value = 2
queue value = 4
queue value = 6
OS polarity selection
OS active LOW
OS active HIGH
B[4:3]
OS_F_QUE[1:0] R/W
00*
01
10
11
B2
OS_POL
R/W
0*
1
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| LM75BDP,118 | 功能描述:板上安裝溫度傳感器 I2C LOCAL +/- 20C TS DIGITAL TEMP SENSOR RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| LM75BDP,118-CUT TAPE | 制造商:NXP 功能描述:LM75 Series Digital Temperature Sensor/Thermal Watchdog Surface Mount- TSSOP - 8 |
| LM75BDP/DG,118 | 功能描述:板上安裝溫度傳感器 DIGITAL TEMP SENSOR AND THERMAL WATCHDOG RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| LM75BDP118 | 制造商:NXP Semiconductors 功能描述:DIGITAL TEMP SENSOR IC 11BIT +/-3C TS |
| LM75BGD | 制造商:NXP Semiconductors 功能描述:IC TEMP SENSOR DIGITAL 8-UXSON 制造商:NXP Semiconductors 功能描述:IC, TEMP SENSOR, DIGITAL, 8-UXSON 制造商:NXP Semiconductors 功能描述:IC, TEMP SENSOR, DIGITAL, 8-UXSON; IC Output Type:Digital; Sensing Accuracy Range: 3C; Sensing Temperature Min:-55C; Sensing Temperature Max:+125C; Supply Voltage Min:2.8V; Supply Voltage Max:5.5V; Sensor Case Style:SON; No. of ;RoHS Compliant: Yes |
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