- 40 Capacitive touch sensing channels
- Compensation scheme for external capacitance condition for each channel
- Proximity Sensing support up to 25mm ( Test condition : 30Φ conducted rod )
- Available for all sensing channels as GPIO
1.产品技术介绍
1.3自容传感器
- 40 Capacitive touch sensing channels
- Compensation scheme for external capacitance condition for each channel
- Proximity Sensing support up to 25mm ( Test condition : 30Φ conducted rod )
- Available for all sensing channels as GPIO
1.4低功耗
- 2.6V to 3.3V Single supply voltage input
- Active current : 4.0 mA @ 3.0V, 60Hz
- Idle current : 2.89 mA @ 3.0V, 30Hz
- Deep sleep current : < 3uA @ CE is “LOW”
1.5双时钟源
- RC feed-back oscillator type
- Internal main oscillator : 20/80 MHz
- Internal low-speed oscillator at 1 MHz for Low power mode
1.6通信接口及I/O模式
- I2C-compatible for Standard ( 100kbps ) / Fast ( 400kbps ) mode as Slave
- Available for Open-drain/Push-pull mode on GPIO pins
- Adjust INTR pin to Open-drain mode
- Available for CE pin as wake-up function
1.7干扰环境下稳定工作
- Immune to the AC charger noise
1.8封装
- UQFN 48ld 5×5×0.5T, 0.35mm lead pitch
1.9环境条件
- Operation temperature -30°C to +85°C
Block Diagram