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CAP1296-2-SL-TR PDF预览

CAP1296-2-SL-TR

更新时间: 2024-11-27 01:22:15
品牌 Logo 应用领域
美国微芯 - MICROCHIP 光电二极管
页数 文件大小 规格书
68页 834K
描述
6-Channel Capacitive Touch Sensor with Proximity

CAP1296-2-SL-TR 技术参数

生命周期:Active包装说明:SOIC-14
Reach Compliance Code:compliant风险等级:5.58
其他特性:IT ALSO OPERATES AT 5 V模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:R-PDSO-G14长度:8.65 mm
信道数量:6功能数量:1
端子数量:14最高工作温度:85 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP14,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
座面最大高度:1.75 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):3 V标称供电电压 (Vsup):3.3 V
表面贴装:YES温度等级:OTHER
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:3.9 mm
Base Number Matches:1

CAP1296-2-SL-TR 数据手册

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CAP1296  
6-Channel Capacitive Touch Sensor with Proximity  
Detection & Signal Guard  
General Description  
Applications  
The CAP1296 is a multiple channel capacitive touch  
sensor controller. It contains six (6) individual capaci-  
tive touch sensor inputs with programmable sensitivity  
for use in touch sensor applications. Each sensor input  
is calibrated to compensate for system parasitic capac-  
itance and automatically recalibrated to compensate  
for gradual environmental changes.  
• Desktop and Notebook PCs  
• LCD Monitors  
• Consumer Electronics  
• Appliances  
Features  
In addition, the CAP1296 can be configured to detect  
proximity on one or more channels with an optional sig-  
nal guard to reduce noise sensitivity and to isolate the  
proximity antenna from nearby conductive surfaces  
that would otherwise attenuate the e-field.  
• Six (6) Capacitive Touch Sensor Inputs  
- Programmable sensitivity  
- Automatic recalibration  
- Calibrates for parasitic capacitance  
- Individual thresholds for each button  
• Proximity Detection  
The CAP1296 includes Multiple Pattern Touch recogni-  
tion that allows the user to select a specific set of but-  
tons to be touched simultaneously. If this pattern is  
detected, a status bit is set and an interrupt is gener-  
ated.  
• Signal Guard  
- Isolates the proximity antenna from attenua-  
tion  
- Reduces system noise sensitivity effects on  
inputs  
The CAP1296 has Active and Standby states, each  
with its own sensor input configuration controls. The  
Combo state allows a combination of sensor input con-  
trols to be used which enables one or more sensor  
inputs to operate as buttons while another sensor input  
is operating as a proximity detector. Power consump-  
tion in the Standby and Combo states is dependent on  
the number of sensor inputs enabled as well as averag-  
ing, sampling time, and cycle time. Deep Sleep is the  
lowest power state available, drawing 5µA (typical) of  
current. In this state, no sensor inputs are active, and  
communications will wake the device.  
• Multiple Button Pattern Detection  
• Power Button Support  
• Press and Hold Feature for Volume-like Applica-  
tions  
• 3.3V or 5V Supply  
• Analog Filtering for System Noise Sources  
• RF Detection and Avoidance Filters  
• Digital EMI Blocker  
• 8kV ESD Rating on All Pins (HBM)  
• Low Power Operation  
- 5µA quiescent current in Deep Sleep  
- 50µA quiescent current in Standby (1 sensor  
input monitored)  
- Samples one or more channels in Standby  
• SMBus / I2C Compliant Communication Interface  
• Available in a 10-pin 3mm x 3mm DFN RoHS  
compliant package  
2013-2015 Microchip Technology Inc.  
DS00001569B-page 1  

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