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参数资料
| 型号： | LM75 |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 温度/湿度传感器 |
| 英文描述： | 2-Wire Serial Temperature Sensor and Monitor |
| 中文描述： | 数字温度传感器和温度看门狗监测器，2线接口 |
| 文件页数： | 11/12页 |
| 文件大小： | 150K |
| 代理商： | LM75 |
LM75
http://onsemi.com
8
Temperature (TEMP) Register, 16–bits, Read–only
The binary value in this register represents ambient
temperature following a conversion cycle.
Temperature Register (TEMP)
D[15]
D[14]
D[13]
D[12]
D[11]
D[10]
D[9]
D[8]
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
MSB
D7
D6
D5
D4
D3
D2
D1
LSB
X
Temperature Setpoint (TSET) and Hysteresis (THYST) Register, 16–bits, Read–Write:
Temperature Setpoint Register (TSET)
D[15]
D[14]
D[13]
D[12]
D[11]
D[10]
D[9]
D[8]
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
MSB
D7
D6
D5
D4
D3
D2
D1
LSB
X
Hysteresis Register (THYST)
D[15]
D[14]
D[13]
D[12]
D[11]
D[10]
D[9]
D[8]
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
MSB
D7
D6
D5
D4
D3
D2
D1
LSB
X
In the TEMP, TSET, and THYST registers, each unit value
represents one–half degree (Celsius). The value is in 2’s –
complement binary format such that a reading of
000000000b corresponds to 0
°C. Examples of this
temperature to binary value relationship are shown in the
following table.
Temperature to Digital Value Conversion
Temperature
Binary Value
HEX Value
+125
°C
0 11111010
0FA
+25
°C
0 00110010
032
+0.5
°C
0 00000001
001
0
°C
0 00000000
00
— 0.5
°C
1 11111111
1FF
— 25
°C
1 11001110
1CE
— 40
°C
1 10110000
1B0
— 55
°C
1 10010010
192
The LM75’s register set is summarized below
Name
Description
Width
Read
Write
Notes
TEMP
Ambient Temperature
16
X
2’s Complement Format
TSET
Temperature Setpoint
16
X
2’s Complement Format
THYST
Temperature Hysteresis
16
X
2’s Complement Format
POINT
Register Pointer
8
X
CONFIG
Configuration Register
8
X
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相关代理商/技术参数 |
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|---|---|
| LM75/D | 制造商:未知厂家 制造商全称:未知厂家 功能描述:2-Wire Serial Temperature Sensor and Monitor |
| LM75_05 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Digital Temperature Sensor and Thermal Watchdog with Two-Wire Interface |
| LM7503A | 制造商:Texas Instruments 功能描述: |
| LM750Z | 制造商:SEOUL 制造商全称:Seoul Semiconductor 功能描述:GREEN OVAL LAMP LED |
| LM751 | 制造商:SEOUL 制造商全称:Seoul Semiconductor 功能描述:BLUE OVAL LAMP LED |
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