AT42QT1040-MMH Atmel, AT42QT1040-MMH Datasheet - Page 14

• 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

5.4
5.5
14
Parameter
T
Fc
Fm
T
BS
PW
Timing Specifications
Power Consumption
AT42QT1040
Vdd (V)
1.8
3.3
5.0
Description
Burst duration
Burst center frequency
Burst modulation, percentage
Burst pulse width
AKS Mode (RAKS)
Off
Off
On
On
Off
Off
On
On
Off
Off
On
On
Min
-7.5
–
–
–
Typ
119
3.5
–
2
Speed (RFS)
Max
Slow
Slow
Slow
Slow
Slow
Slow
Fast
Fast
Fast
Fast
Fast
Fast
+7.5
–
–
Units
kHz
ms
µs
%
Power Consumption (µA)
Notes
Cx = 5 pF, Cs = 18 nF
104
114
100
340
117
380
215
710
245
800
31
36
9524B–AT42–04/09