ZHCSF09A May 2016 – October 2024 FDC2112-Q1 , FDC2114-Q1 , FDC2212-Q1 , FDC2214-Q1
PRODUCTION DATA
The input deglitch filter suppresses EMI and ringing above the sensor frequency. The input deglitch filter does not impact the conversion result as long as its bandwidth is configured to be above the maximum sensor frequency. The input deglitch filter can be configured in MUX_CONFIG.DEGLITCH register field as shown in Table 6-9. For optimal performance, TI recommends selection of the lowest setting that exceeds the sensor oscillation frequency. For example, if the maximum sensor frequency is 2MHz, choose MUX_CONFIG.DEGLITCH = b100 (3.3MHz).
CHANNEL(1) | MUX_CONFIG.DEGLITCH (addr 0x1B) REGISTER VALUE | DEGLITCH FREQUENCY |
---|---|---|
ALL | 001 | 1MHz |
ALL | 100 | 3.3MHz |
ALL | 101 | 10MHz |
ALL | 011 | 33MHz |