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參數資料
| 型號： | DS1722S |
| 元件分類： | 溫度傳感器 |
| 英文描述： | IC-SM-DIGITAL THERMOMETER |
| 中文描述： | 集成電路釤數字溫度計 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 984K |
| 代理商： | DS1722S |
1 of 13
021500
FEATURES
Temperature measurements require no
external components
Measures temperatures from -55
°
C to
+120
°
C. Fahrenheit equivalent is -67
°
F to
+248
°
F
Thermometer accuracy is
±
2.0
°
C
Thermometer resolution is configurable from
8 to 12 bits (1.0
°
C to 0.0625
°
C resolution)
Data is read from/written to via a Motorola
Serial Peripheral Interface (SPI) or standard
3-wire serial interface
Wide analog power supply range (2.65V -
5.5V)
Separate digital supply allows for 1.8V logic
Available in an 8-pin SOIC (150 mil), 8-pin
uSOP, and flip chip package
PIN ASSIGNMENT
PIN DESCRIPTION
SERMODE
CE
SCLK
GND
V
DDA
SDO
SDI
V
DDD
- Serial Interface Mode
- Chip Enable
- Serial Clock
- Ground
- Analog Supply Voltage
- Serial Data Out
- Serial Data In
- Digital Supply Voltage
DESCRIPTION
The DS1722 Digital Thermometer and Thermostat with SPI/3-Wire Interface provides temperature
readings which indicate the temperature of the device. No additional components are required; the device
is truly a temperature-to-digital converter. Temperature readings are communicated from the DS1722
over a Motorola SPI interface or a standard 3-wire serial interface. The choice of interface standard is
selectable by the user.
For applications that require greater temperature resolution, the user can adjust the readout resolution
from 8 to 12 bits. This is particularly useful in applications where thermal runaway conditions must be
detected quickly.
For application flexibility, the DS1722 features a wide analog supply rail of 2.65V - 5.5V. A separate
digital supply allows a range of 1.8V to 5.5V.
The DS1722 is available in an 8-pin SOIC (150-mil), 8-pin uSOP, and flip chip package.
Applications for the DS1722 include personal computers/servers/workstations, cellular telephones, office
equipment, or any thermally-sensitive system.
DS1722
Digital Thermometer with
SPI/3-Wire Interface
PRELIMINARY
www.dalsemi.com
V
DDD
CE
SCLK
GND
V
DDA
2
3
4
8
7
6
5
1
DS1722S
8-Pin SOIC (150-mil)
SERMODE
SDI
SDO
1 8
2 7
3 6
4 5
*
DS1722U
8-PIN μ-SOP
V
DDA
SERMODE
SDI
SDO
V
DDD
CE
SCLK
GND
PRELIMINARY
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PDF描述 |
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| DS1730Y-150-IND | NVRAM (Battery Based) |
| DS1730Y-200 | NVRAM (Battery Based) |
| DS1730Y-200-IND | NVRAM (Battery Based) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1722S/T&R | 制造商:Maxim Integrated Products 功能描述:SPI 3-WIRE THERMOMETER SOIC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER DIG 3-WIRE 8-SOIC |
| DS1722S/T&R | 功能描述:板上安裝溫度傳感器 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 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| DS1722S+ | 功能描述:板上安裝溫度傳感器 Digital Thermometer & Thermostat 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 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| DS1722S+T&R | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 3-WIRE/SPI 8SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER DIG 3-WIRE 8-SOIC |
| DS1722S+T&R | 功能描述:板上安裝溫度傳感器 Digital Thermometer & Thermostat 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 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
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