GH6212 is a 9-channel high-precision all-in-one interactive sensor capable of hybrid self / mutual capacitance measurement and force sensing. As an easy-to-develop, low-power sensor, it can be applied extensively to scenarios like proximity sensing, touch control, IED, and force sensing.
The sensor boasts high-sensitivity capacitive sensing in aF-level capacitance measurement resolution, and offers a wide input range and excellent anti-interference performance. Integrated with a 24-bit high-precision ADC for voltage detection and a low-power MCU, it can effortlessly satisfy differentiated high-precision data processing requirements.
All-in-one solution with capacitance, force sensing
Up to 9 channels for self/mutual-capacitive sensing
Premium capacitance resolution at aF-level
Self-capacitance input range: up to ±30 pF
Capacitance offset compensation for self-capacitive sensing (Coffset): up to 300 pF
Independent channel configuration
Automatic temperature calibration
Two high-precision fully-differential 24-bit ADC channels
Two independent Wheatstone Bridges
Built-in 1.8 V power supply to drive the bridges
VCC power supply voltage: 1.7 V ~ 3.6 V
IIC communication level: 1.1 V ~ 3.6 V
Built-in 16-bit low-power MCU
Standard IIC communication interface; serving as Slave/Master device (subject to configuration)
Sensing channels multiplexed as GPIOs
Fast slide gesture recognition
Package: WLCSP (16-pin, 1.8 mm * 2.212 mm * 0.513 mm)
Product | GH6212 |
|---|---|
Channels | 9 |
Self-Cap | √ |
Mutual-Cap | √ |
Capacitance resolution | aF-level |
Self-capacitance input range | Up to ±30 pF |
Capacitance offset compensation | Up to 300 pF |
Resistive based force | 2 Wheatstone Bridge |
Communication interface | I2C |
ADC | 24 bit |
MCU | 16 bit-low-power MCU |
VDD(V) | 1.7 ~ 3.6 |
V_I2C(V) | 1.1 ~ 3.6 |
Package | CSP-16, 1.8 * 2.2 mm |
Applications | 1) ≤9-ch Proximity, Touch key, Slider; |
GH621x-EVK
Used for hardware evaluation and performance testing of GH6210, GH6211, and GH6212 chips
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