AT42QT1070-MMH Atmel, AT42QT1070-MMH Datasheet - Page 6

• 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

1.6
Figure 1-1.
Figure 1-2.
6
RESET
Vdd
Schematics
R1
AT42QT1070
OUTPUTS
R
Typical Circuit – Comms (14-pin SOIC)
Typical Circuit – Standalone (14-pin SOIC)
OUT0
SDA
CHANGE
RESET
C
C
C
OUT0
OUT4
R
OUT0
OUT4
and are optional
R
SDA
4
Vss
Vdd
R
CHG
R
RST
3
5
4
3
5
4
MODE (Vdd)
OUT0
OUT4
RESET
C1
SDA
CHANGE
RESET
Vss
14
2
Vss
QT1070
QT1070
14
Vss
Vss
Vss
Vdd
Vdd
1
MODE (Vss)
2
OUT3
OUT2 7
Vdd
OUT1 8
KEY4
KEY3
KEY2
KEY0
KEY1 12
1
Vdd
SCL
KEY6 7
KEY5 8
KEY4 9
KEY3 10
KEY2 11
KEY1 12
KEY0 13
Vss
6
9
10
11
13
6
C1
R
R
R
Rs4
Rs3
Rs2
Rs1
Rs0
SCL
Rs6
Rs5
Rs4
Rs3
Rs2
Rs1
Rs0
OUT3
OUT2
OUT1
Vdd
R
SCL
OUTPUTS
C
C
C
C
OUT3
OUT2
OUT1
OUT1, 2
and are optional
K6
K4
K2
K0
9596A–AT42–10/10
3
K4
K2
K0
Vss
K5
K3
K1
K3
K1