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參數資料
| 型號： | DS1775R/T&R |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Switch/Digital Output Temperature Sensor |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數： | 1/17頁 |
| 文件大小： | 328K |
| 代理商： | DS1775R/T&R |
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FEATURES
§ Temperature measurements require no
external components
§ Measures temperatures from –55°C to
+125
°C. Fahrenheit equivalent is –67°F to
257
°F
§ Thermometer accuracy is ±2.0°C
§ Thermometer resolution is configurable from
9 to 12 bits (0.5
°C to 0.0625°C resolution)
§ Thermostat settings are user definable
§ Data is read from/written to via a 2–wire
serial interface
§ Wide power supply range (2.7V – 5.5V)
§ Software compatible with DS75 2–Wire
Thermal Watchdog in thermometer mode
§ Space–conscious SOT23–5 package with
low thermal time constant
PIN ASSIGNMENT
PIN DESCRIPTION
GND
Ground
SCL
2–Wire Serial Clock
SDA
2–Wire Serial Data Input/Output
VDD
Power Supply Voltage
O.S.
Thermostat Output Signal
DESCRIPTION
The DS1775 SOT23-5 Digital Thermometer and Thermostat provides temperature readings which
indicate the temperature of the device. Thermostat settings and temperature readings are all
communicated to/from the DS1775 over a simple 2–wire serial interface. No additional components are
required; the device is truly a “temperature–to–digital” converter.
For applications that require greater temperature resolution, the user can adjust the readout resolution
from 9 to 12 bits. This is particularly useful in applications where thermal runaway conditions must be
detected quickly.
The open–drain thermal alarm output, O.S., becomes active when the temperature of the device exceeds a
user–defined temperature TOS. The number of consecutive faults required to set O.S. active is
configurable by the user. The device can also be configured in the interrupt or comparator mode, to
customize the method which clears the fault condition.
As a digital thermometer, the DS1775 is software compatible with the DS75 2–Wire Thermal Watchdog.
The DS1775 is assembled in a compact SOT23–5 package allowing for low–cost thermal
monitoring/control in space–constrained applications. The low thermal mass allows for time constants
previously only possible with thermistors.
Applications for the DS1775 include personal computers/servers/workstations, cellular telephones, office
equipment, or any thermally–sensitive system.
DS1775
SOT23-5 Digital Thermometer
and Thermostat
PRODUCT PREVIEW
www.maxim-ic.com
DS1775R
SOT23-5
3
2
1
5
4
SDA
VDD
SCL
GND
O.S.
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| DS1775R2+T&R | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT |
| DS1775R3-U | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT |
| DS1775R6/T&R | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT |
| DS1775R6-U | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT |
| DS1775R2-U | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1775R-U | 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 |
| DS1776 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PI-Bus Transceiver |
| DS1776E/883 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PI-Bus Transceiver |
| DS1776J/883 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| DS1776W/883 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single 8-bit Bus Transceiver |
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