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| 型號： | ADT7302ARTZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 238K |
| 描述： | IC SENSOR TEMP 13BIT DGT SOT23-6 |
| 產(chǎn)品變化通告： | ADT7301,02 Mask Revision 05/Sept/2011 |
| 標準包裝： | 1 |
| 功能： | 溫度監(jiān)控系統(tǒng)（傳感器） |
| 傳感器類型： | 內部 |
| 感應溫度： | -40°C ~ 125°C |
| 精確度： | ±2°C（最小值） |
| 拓撲： | ADC，寄存器庫 |
| 輸出類型： | MICROWIRE?，QSPI?，SPI? |
| 輸出警報： | 無 |
| 輸出風扇： | 無 |
| 電源電壓： | 2.7 V ~ 5.25 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-6 |
| 供應商設備封裝： | SOT-23-6 |
| 包裝： | 標準包裝 |
| 產(chǎn)品目錄頁面： | 798 (CN2011-ZH PDF) |
| 其它名稱： | ADT7302ARTZ-REEL7DKR |
?癈 Accurate, Micropower Digital
Temperature Sensor
ADT7302
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ?0052011 Analog Devices, Inc. All rights reserved.
FEATURES
13-bit temperature-to-digital converter
40癈 to +125癈 operating temperature range
?癈 accuracy
0.03125癈 temperature resolution
Shutdown current of 1 糀
Power dissipation of 0.631 mW at VDD = 3.3 V
SPI- and DSP-compatible serial interface
Shutdown mode
Space-saving SOT-23 and MSOP packages
Compatible with AD7814
APPLICATIONS
Medical equipment
Automotive
Environmental controls
Oil temperature
Hydraulic systems
Cell phones
Hard disk drives
Personal computers
Electronic test equipment
Office equipment
Domestic appliances
Process control
FUNCTIONAL BLOCK DIAGRAM
SERIAL
BUS
INTERFACE
ADT7302
V
DD
SCLK
DIN
DOUT
GND
13-BIT
ANALOG/DIGITAL
CONVERTER
TEMPERATURE
VALUE
REGISTER
BAND GAP
TEMPERATURE
SENSOR
CS
Figure 1.
GENERAL DESCRIPTION
The ADT7302 is a complete temperature monitoring system
available in SOT-23 and MSOP packages. It contains a band gap
temperature sensor and a 13-bit ADC to monitor and digitize
the temperature reading to a resolution of 0.03125癈.
The ADT7302 has a flexible serial interface that allows easy
interfacing to most microcontrollers. The interface is compatible
with SPI? QSPI", and MICROWIRE" protocols as well as DSPs.
The part features a standby mode that is controlled via the serial
interface.
The ADT7302s wide supply voltage range, low supply current,
and SPI-compatible interface make it ideal for a variety of
applications, including PCs, office equipment, automotive, and
domestic appliances.
PRODUCT HIGHLIGHTS
1. On-chip temperature sensor that allows an accurate
measurement of the ambient temperature. The measurable
temperature range is 40癈 to +125癈.
2. Supply voltage of 2.7 V to 5.25 V.
3. Space-saving 6-lead SOT-23 and 8-lead MSOP packages.
4. Maximum temperature accuracy of ?癈.
5. 13-bit temperature reading to 0.03125癈 resolution.
6. Shutdown mode that reduces the power consumption to
4.88 糤 with VDD = 3.3 V at 1 SPS.
7. Compatible with AD7814.
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