Touch Screen Controllers

AT42QT1050-MMHR

Capacitive Touch Screen 4 Key 20-Pin VQFN EP T/R

Microchip Technology

Product Technical Specifications

• EU RoHS

  Compliant

• ECCN (US)

  EAR99

• Part Status

  Active

• HTS

  8542.39.00.90

• Automotive

  No

• PPAP

  No

• Type

  Capacitive

• Number of Channels per Chip

  5

• Number of Keys

  4 Key

• Resolution (bit)

  8

• Maximum Load Capacitance (pF)

  30

• Maximum Rise Time (ns)

  300

• Spread Spectrum

  Yes

• Interface Type

  I2C

• Minimum Operating Supply Voltage (V)

  1.8

• Maximum Operating Supply Voltage (V)

  5.5

• Maximum Low Level Output Voltage (V)

  0.6

• Minimum Operating Temperature (°C)

  -40

• Maximum Operating Temperature (°C)

  85

• Packaging

  Tape and Reel

• Mounting

  Surface Mount

• Package Height

  0.78

• Package Width

  3

• Package Length

  3

• PCB changed

  20

• Standard Package Name

  QFN

• Supplier Package

  VQFN EP

• Pin Count

  20

• Lead Shape

  No Lead