Touch Screen Controllers

AT42QT1244-AU

Capacitive Touch Screen 1-Wire 24 Key 32-Pin TQFP Tray

Microchip Technology

Product Technical Specifications

• EU RoHS

  Compliant

• ECCN (US)

  EAR99

• Part Status

  Active

• HTS

  8542.31.00.01

• SVHC

  Yes

• Automotive

  No

• PPAP

  No

• Type

  Capacitive

• Number of Channels per Chip

  24

• Number of Keys

  24 Key

• Resolution (bit)

  10

• Maximum Load Capacitance (pF)

  20

• Spread Spectrum

  No

• Interface Type

  I2C

• Touch Panel Interface

  1-Wire

• Minimum Operating Supply Voltage (V)

  3

• Maximum Operating Supply Voltage (V)

  5

• Minimum High Level Output Voltage (V)

  2.3

• Maximum Low Level Output Voltage (V)

  0.6

• Minimum Operating Temperature (°C)

  -40

• Maximum Operating Temperature (°C)

  105

• Packaging

  Tray

• Mounting

  Surface Mount

• Package Height

  1.05(Max) mm

• Package Width

  7 mm

• Package Length

  7 mm

• PCB changed

  32

• Standard Package Name

  QFP

• Supplier Package

  TQFP

• Pin Count

  32

• Lead Shape

  Gull-wing