AT42QT1070-MMH Atmel, AT42QT1070-MMH Datasheet - Page 5

• 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

Table 1-2.
9596A–AT42–10/10
Pin
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
MODE (Vss)
Pin Listings (20-pin VQFN)
(Comms
CHANGE
RESET
Mode)
Name
KEY4
KEY3
KEY2
KEY1
KEY0
KEY6
KEY5
SDA
SCL
Vdd
N/C
N/C
Vss
N/C
N/C
N/C
N/C
(Standalone
MODE (Vdd)
RESET
Mode)
Name
OUT0
OUT4
OUT3
OUT2
OUT1
KEY4
KEY3
KEY2
KEY1
KEY0
Vdd
N/C
N/C
Vss
N/C
N/C
N/C
N/C
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
Key 4
Key 3
Key 2
Key 1
Key 0
Not connected
Not connected
Ground
Power
Not connected
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 – connects 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
Not connected
Not connected
Not connected
2
C-compatible data line
2
C-compatible clock
AT42QT1070
If Unused,
Connect To...
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
Open
–
–
–
–
–
–
–
–
–
5