AT42QT1040-MMH Atmel, AT42QT1040-MMH Datasheet - Page 16

• Manufacturer Part Number: AT42QT1040-MMH
• Description: IC TOUCH SENSOR 4KEY 20-VQFN
• Manufacturer: Atmel
• Series: QTouch™r
• Type: Resistiver

Specifications of AT42QT1040-MMH

• Touch Panel Interface: 4, 2-Wire
• Number Of Inputs/keys: 4 Key
• Data Interface: I²C, Serial
• Data Rate/sampling Rate (sps, Bps): 200k
• Voltage Reference: Internal
• Voltage - Supply: 1.8 V ~ 5.5 V
• Current - Supply: 10mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Output Type: Logic
• Input Type: Logic
• Supply Voltage: 1.8 V to 5.5 V
• Dimensions: 3 mm L x 3 mm W x 0.8 mm H
• Output Voltage: 0.7 V to 0.8 V
• Temperature Range: - 40 C to + 85 C
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: AT42QT1040-MMH; AT42QT1040-MMHTR

5.7
16
Marking
AT42QT1040
Either of the following two markings may be used:
Pin 1 ID
Code Revision:
R1 = 1.0 Released
Pin 1 ID
Code Revision:
1.0 Released
Traceability Code
(Y = last digit of year; for example, 9 = 2009, 0 = 2010, etc
ZZ = assembly trace code)
140
R1
R1X
YZZ
140
Program Week Code Number 1-52 Where:
A = 1 B = 2 ... Z = 26
then using the underscore A = 27...Z = 52
Abbreviation of
Part Number:
AT42QT
Assembly
Location Code
AT42QT
Abbreviation of
Part Number:
1
0
1
40
0
40
9524B–AT42–04/09