AT42QT2161-MMU Atmel, AT42QT2161-MMU Datasheet - Page 47

• Manufacturer Part Number: AT42QT2161-MMU
• Description: IC TOUCH SENSOR 16KEY QFN M-MOD
• Manufacturer: Atmel
• Type: Capacitiver

Specifications of AT42QT2161-MMU

• Touch Panel Interface: 8, 2-Wire
• Number Of Inputs/keys: 16 Key, Slider
• Resolution (bits): 10 b
• Data Interface: I²C, Serial
• Voltage Reference: Internal
• Voltage - Supply: 1.8 V ~ 5.5 V
• Current - Supply: 1.14mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

9.6
Figure 9-1.
9614A–AT42–08/10
Mechanical Dimensions
Note:
0.4 Ref
(4x)
Package Drawing Contact:
[e-mail]
b
2
3
1
K
Mechanical Dimensions
The terminal #1 ID is a Laser-marked Feature.
BOTTOM VIEW
Pin 1 ID
TOP VIEW
D2
D
R 0.20
TITLE
28M1, 28-pad, 4 x 4 x 1.0 mm Body, Lead Pitch 0.45 mm,
2.4 x 2.4 mm Exposed Pad, Thermally Enhanced
Plastic Very Thin Quad Flat No Lead Package (VQFN)
e
1
2
3
0.45
E2
E
L
A
SYMBOL
A
A1
b
C
D
D2
E
E2
e
L
y
K
GPC
COMMON DIMENSIONS
0.80
0.00
0.17
3.95
2.35
3.95
2.35
0.35
0.00
0.20
MIN
(Unit of Measure = mm)
SIDE VIEW
C
A1
ZBV
y
0.20 REF
NOM
0.90
0.02
0.22
4.00
2.40
4.00
2.40
0.45
0.40
AT42QT2161
DRAWING NO.
–
–
28M1
MAX
1.00
0.05
0.27
4.05
2.45
4.05
2.45
0.45
0.08
–
10/24/08
NOTE
REV.
B
47