GH6211 is a 5-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.
Up to 5 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
One high-precision fully-differential 24-bit ADC channel
One independent Wheatstone Bridge
Built-in 1.8 V power supply to drive the bridge
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 device
Sensing channels multiplexed as GPIOs
Package: DFN (10-pin, 2.1 mm * 1.8 mm * 0.55 mm)
Product | GH6211 |
|---|---|
Channels | 5 |
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 | 1 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 | DFN-10, 2.1 * 1.8 mm |
Applications | 1) ≤5-ch Proximity, Touch key, Slider; |
GH621x-EVK
Used for hardware evaluation and performance testing of GH6210, GH6211, and GH6212 chips
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