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AD7414ART-3REEL7 PDF预览

AD7414ART-3REEL7

更新时间: 2024-02-06 17:41:55
品牌 Logo 应用领域
亚德诺 - ADI 传感器换能器温度传感器输出元件
页数 文件大小 规格书
20页 535K
描述
【0.5C Accurate, 10-Bit Digital Temperature Sensors in SOT-23

AD7414ART-3REEL7 技术参数

生命周期:Contact ManufacturerReach Compliance Code:unknown
风险等级:5.77Is Samacsys:N
最大精度(摄氏度):3 Cel主体宽度:1.6 mm
主体高度:1.15 mm主体长度或直径:2.9 mm
外壳:PLASTIC安装特点:SURFACE MOUNT
位数:10最大工作电流:1.2 mA
最高工作温度:125 °C最低工作温度:-40 °C
输出接口类型:2-WIRE INTERFACE封装形状/形式:RECTANGULAR
传感器/换能器类型:TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL最大供电电压:5.5 V
最小供电电压:2.7 V表面贴装:YES
端接类型:SOLDERBase Number Matches:1

AD7414ART-3REEL7 数据手册

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± ±0.5°C AAcurateCꢀ±ꢁ-BaCꢂBiBarꢃ  
TtmpturacutCStnsousCBnCSOTꢁ23  
C
 ꢂ74ꢀ4/ ꢂ74ꢀ.  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
10-bit temperature-to-digital converter  
Temperature range: −40°C to +125°C  
Typical accuracy of 0.5°C at +40°C  
SMBus/I2C®-compatible serial interface  
3 µA power-down current  
Temperature conversion time: 29 µs typ  
Space-saving 6-lead (AD7414) and 5-lead (AD7415)  
SOT-23 packages  
10-BIT  
ANALOG-DIGITAL  
CONVERTER  
BAND GAP  
TEMPERATURE  
SENSOR  
GND  
V
DD  
CONFIGURATION  
REGISTER  
TEMPERATURE  
VALUE  
REGISTER  
T
SETPOINT  
HIGH  
REGISTER  
SETPOINT  
COMPARATOR  
T
SETPOINT  
ALERT  
LOW  
REGISTER  
Pin selectable addressing via AS  
SCL  
SDA  
2
SMBus/I C  
INTERFACE  
AS  
Overtemperature indicator (AD7414 Only)  
SMBus alert function (AD7414 only)  
4 versions allow 8 I2C addresses (AD7414)  
2 versions allow 6 I2C addresses (AD7415)  
AD7414  
AD7415  
10-BIT  
BAND GAP  
ANALOG-DIGITAL  
CONVERTER  
TEMPERATURE  
SENSOR  
GND  
V
DD  
APPLICATIONS  
Hard disk drives  
TEMPERATURE  
VALUE  
REGISTER  
Personal computers  
Electronic test equipment  
Office equipment  
Domestic appliances  
Process control  
CONFIGURATION  
REGISTER  
AS  
SCL  
SDA  
2
SMBus/I C  
INTERFACE  
Cellular phones  
Figure 1.  
GENERAL DESCRIPTION  
limit is exceeded. A configuration register allows programming of  
the state of the ALERT output (active high or active low). This  
output can be used as an interrupt or as an SMBus alert.  
The AD7414/AD7415 are complete temperature monitoring  
systems in 6-lead and 5-lead SOT-23 packages. They contain a  
band gap temperature sensor and a 10-bit ADC to monitor and  
digitize the temperature reading to a resolution of 0.25°C.  
PRODUCT HIGHLIGHTS  
The AD7414/AD7415 provide a 2-wire serial interface that is  
compatible with SMBus and I2C interfaces. The parts come in four  
versions: the AD7414/AD7415-0, AD7414/AD7415-1, AD7414-2,  
and AD7414-3. The AD7414/AD7415-0 and AD7414/AD7415-1  
versions provide a choice of three different SMBus addresses for  
each version. All four AD7414 versions give the possibility of eight  
different I2C addresses while the two AD7415 versions allow up to  
six I2C addresses to be used.  
1. On-chip temperature sensor. The sensor allows an accurate  
measurement of the ambient temperature to be made. It is  
capable of 0.5°C temperature accuracy.  
2. SMBus/I2C-compatible serial interface. The interface offers pin  
selectable choice of three addresses per version of the  
AD7414/AD7415, eight address options in total for the AD7414,  
and six in total for the AD7415.  
3. Supply voltage of 2.7 V to 5.5 V.  
The AD7414/AD7415s 2.7 V supply voltage, low supply current,  
serial interface, and small package size make them ideal for a  
variety of applications, including personal computers, office  
equipment, cellular phones, and domestic appliances.  
4. Space-saving 5-lead and 6-lead SOT-23 packages.  
5. 10-bit temperature reading to 0.25°C resolution.  
6. Overtemperature indicator. This indicator can be software  
disabled. It is used as an interrupt of SMBus alert.  
In the AD7414, on-chip registers can be programmed with high  
and low temperature limits, and an open-drain overtemperature  
indicator output (ALERT) becomes active when a programmed  
7. One-shot and automatic temperature conversion rates.  
Rev. E  
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  
Fax: 781.461.3113  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  

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