49.24 PTC Electrical Specifications

Table 49-32. Peripheral Touch Controller Electrical Specifications
DC CHARACTERISTICSStandard Operating Conditions: VDD = AVDD = 1.62V to 3.63V (unless otherwise stated)

Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMin.Typ.Max.UnitsConditions
PTC_1CLOAD SC (1)Self Capacitance Mode

(PTC Channel XY0 - XY31)

45pF Maximum sensor load

capacitance

PTC_3CLOAD MC (1)Mutual Capacitance Mode

(PTC Channel XY0 - XY31)

31pF
PTC ANALOG GAIN SETTINGS (2)
PTC_5PTCGAINAnalog Gain SettingsGain_11.0
Gain_22.0
Gain_43.9
Gain_88.1
Note:
  1. Maximum capacitive load that the PTC circuitry can compensate for each channel.
  2. Analog Gain is a parameter of the Touch Library. Refer to the “Touch Library Peripheral Touch Controller User Guide”.