AT42QT1070-MMH Atmel, AT42QT1070-MMH Datasheet - Page 4

• Manufacturer Part Number: AT42QT1070-MMH
• Description: IC TOUCH SENSOR 7KEY 20-VQFN
• Manufacturer: Atmel
• Type: Capacitiver

Specifications of AT42QT1070-MMH

• Number Of Inputs/keys: 7 Key (Comms), 5 Key (Standalone)
• Data Interface: I²C
• Voltage Reference: Internal
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-VFQFN Exposed Pad
• Supply Voltage: 1.8 V to 5.5 V
• Dimensions: 3 mm L x 3 mm W x 0.8 mm H
• Temperature Range: - 40 C to + 85 C
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Resolution (bits): -
• Touch Panel Interface: -
• Data Rate/sampling Rate (sps, Bps): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

1.5
Table 1-1.
4
Pin
10
11
12
13
14
1
2
3
4
5
6
7
8
9
Pin Descriptions
AT42QT1070
MODE (Vss)
Pin Listings (14-pin SOIC)
CHANGE
(Comms
RESET
Mode)
Name
KEY6
KEY5
KEY4
KEY3
KEY2
KEY1
KEY0
SDA
SCL
Vdd
Vss
(Standalone
MODE (Vdd)
RESET
Mode)
Name
OUT0
OUT4
OUT3
OUT2
OUT1
KEY4
KEY3
KEY2
KEY1
KEY0
Vdd
Vss
O/OD
O/OD
Type
OD
OD
OD
O
O
O
O
O
P
P
I
O
OD
P
I
I
Input only
Output only, push-pull
Open drain output
Ground or power
Description
Power
Mode selection pin
Comms Mode – connect to Vss
Standalone Mode – connect to Vdd
Comms Mode – I
Standalone Mode – open drain output for guard
channel
RESET – has internal pull-up 60 k resistor
CHANGE line for controlling the communications
flow
Comms Mode – connect to CHANGE line
Standalone Mode – connect to output
Comms Mode – connect to I
Standalone Mode – connect to output
Comms Mode – connect to Key 6
Standalone Mode – connect to output
Comms Mode – connect to Key 5
Standalone Mode – connect to output
Key 4
Key 3
Key 2
Key 1
Key 0
Ground
2
C-compatible data line
2
C-compatible clock
If Unused,
Connect To...
9596A–AT42–10/10
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
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–
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