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參數資料
| 型號： | DS1722X/T&R |
| 廠商： | Maxim Integrated |
| 文件頁數： | 1/14頁 |
| 文件大?。?/td> | 384K |
| 描述： | IC THERMOMETER DIG 3-WIRE 8FCHIP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 10,000 |
| 功能： | 溫度計，恒溫計 |
| 傳感器類型： | 內部 |
| 感應溫度： | -55°C ~ 120°C |
| 精確度： | ±3°C（最小值） |
| 拓撲： | ADC，寄存器庫 |
| 輸出類型： | SPI? |
| 輸出警報： | 無 |
| 輸出風扇： | 無 |
| 電源電壓： | 2.65 V ~ 5.5 V |
| 工作溫度： | -55°C ~ 120°C |
| 安裝類型： | 表面貼裝 |
| 包裝： | 帶卷 (TR) |
DS1722
Digital Thermometer with
SPI/3-Wire Interface
www.maxim-ic.com
FEATURES
Temperature Measurements Require No
External Components
1 of 14
022008
Measures Temperatures from -55癈 to
+120癈. Fahrenheit Equivalent is -67癋 to
+248癋
Thermometer Accuracy is ?.0癈
Thermometer Resolution is Configurable
from 8 to 12 bits (1.0癈 to 0.0625癈
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 SO (150mil) and 8-Pin
糓AX package
PIN ASSIGNMENT
V
DDD
PIN DESCRIPTION
SERMODE
- Serial Interface Mode
CE
- Chip Enable
SCLK
- Serial Clock
GND
- Ground
V
DDA
- Analog Supply Voltage
SDO
- Serial Data Out
SDI
- Serial Data In
V
DDD
- 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 SO (150mil) and 8-pin 糓AX package.
Applications for the DS1722 include personal computers/servers/workstations, cellular telephones, office
equipment, or any thermally-sensitive system.
CE
SCLK
GND
V
2
3
4
8
7
6
5
1
DS1722S
n SO (150mil)
1 8
2 7
3 6
4 5
8-Pi
SDI
SDO
DS1722U
8-PIN MAX
V
DDA
SERMODE
SDI
SDO
V
DDD
CE
SCLK
GND
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1726 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:High-Precision 3-Wire Digital Thermometer and Thermostat |
| DS1726U | 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 |
| DS1726U/T&R | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS1726U/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 |
| DS1726U+ | 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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