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AD7151BRMZ-REEL PDF预览

AD7151BRMZ-REEL

更新时间: 2024-02-13 08:43:13
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
28页 536K
描述
Ultra-Low Power, 1-Channel, Capacitance Converter for Proximity Sensing

AD7151BRMZ-REEL 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP,针数:10
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:0.78
商用集成电路类型:CONSUMER CIRCUITJESD-30 代码:S-PDSO-G10
JESD-609代码:e3长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:10最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.1 mm
最大供电电压 (Vsup):3.6 V最小供电电压 (Vsup):2.7 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3 mm
Base Number Matches:1

AD7151BRMZ-REEL 数据手册

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Ultra-Low Power, 1-Channel, Capacitance  
Converter for Proximity Sensing  
AD7151  
FEATURES  
GENERAL DESCRIPTION  
Ultra-low power  
2.7 V to 3.6 V, 70 μA  
Response time: 10 ms  
Adaptive environmental compensation  
1 capacitance input channel  
Sensor capacitance (CSENS) 0 pF up to 13 pF  
Sensitivity to 1 fF  
EMC tested  
2 modes of operation  
Standalone with fixed settings  
Interfaced to a microcontroller for user-defined settings  
Proximity detection output flag  
2-wire serial interface (I2C compatible)  
Operating temperature  
The AD7151 delivers a complete signal processing solution for  
capacitive proximity sensors, featuring an ultra-low power  
converter with fast response time. The AD7150 is a 2-channel  
alternative to the AD7151.  
The AD7151 uses Analog Devices, Inc., capacitance-to-digital  
converter (CDC) technology, which combines features  
important for interfacing to real sensors, such as high input  
sensitivity and high tolerance of both input parasitic ground  
capacitance and leakage current.  
The integrated adaptive threshold algorithm compensates for  
any variations in the sensor capacitance due to environmental  
factors like humidity and temperature or due to changes in the  
dielectric material over time.  
−40°C to +85°C  
10-lead MSOP package  
By default, the AD7151 operates in standalone mode using the  
fixed power-up settings and indicates detection on a digital  
output. Alternatively, the AD7151 can be interfaced to a  
microcontroller via the serial interface, the internal registers can  
be programmed with user-defined settings, and the data and  
status can be read from the part.  
APPLICATIONS  
Proximity sensing  
Contactless switching  
Position detection  
Level detection  
The AD7151 operates with a 2.7 V to 3.6 V power supply. It is  
specified over the temperature range of −40°C to +85°C.  
FUNCTIONAL BLOCK DIAGRAM  
VDD  
AD7151  
CIN  
SCL  
SDA  
DIGITAL  
FILTER  
SERIAL  
INTERFACE  
Σ-Δ CDC  
C
SENS  
EXCITATION  
EXC  
THRESHOLD  
GND  
OUT  
Figure 1.  
Rev. 0  
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 registeredtrademarks arethe 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  
©2007 Analog Devices, Inc. All rights reserved.  
 

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