Datasheet > AK4160

AK4160

更新时间： 2024-11-03 12:50:19

品牌	Logo	应用领域
AKM		传感器
页数	文件大小	规格书
40页	448K
描述
16-channel Capacitive Touch Sensor IC

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AK4160 数据手册

[AK4160]

AK4160

16-channel Capacitive Touch Sensor IC

GENERAL DESCRIPTION

The AK4160 is a low operating voltage and low power consumption 16-channel capacitive touch sensor.

Maximum 8 channels out of the 16-channel can be configured to LED drive or GPIO. The AK4160 has a

channel independent automatic correct function of environmental drifts for each sense input. It reduces

false detection by continuous calibration of the internal reference value in the situation when the input

capacitance of the touch switch is changed by the external factors such as hydrothermal conditions. The

automatic initial setting function sets the charge current and charge time according to the size and the

shape of a touch switch. The AK4160 can be configured via serial interfaces, it is suitable for mobile

phones, PCs and home electric applications.

FEATURE

Up to 16 capacitive sensor inputs

Up to 8 general purpose inputs/outputs with PWM control for LED

Automatic initial setting function for the charge current and time

Independent automatic environmental drifts correct function for each

sense terminal

Independent threshold configuration for each sense terminal

Selectable multi touch feature

Integrated Median Averaging Filter

Selectable 3 interrupt outputs that be able to use as GPIOs

Reset Input pin

I²C Serial Interface

10 bit SAR A/D Converter with S/H circuit

Integrated Regulator

Low Power Consumption: Typ. 3.4uA

(Sampling rate=512ms, 16ch Sensor input Active)

Power Down Current: Typ. 1.0uA

Low Power Operation: VDD = 1.71V ~ 3.6V

Operating Temperature: Ta = -40 ~ 85 °C

Package: 28pin QFN (4.0mm x 4.0mm, pitch 0.4mm)

I²C-bus is a trademark of NXP B.V.

MS1313-E-01

2011/11

- 1 -

12 3 4 5 6 7...40

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