AT42QT1012-MAH Atmel, AT42QT1012-MAH Datasheet - Page 23

• Manufacturer Part Number: AT42QT1012-MAH
• Description: IC SENSR TOUCH/PROX 1CH SOT23-8
• Manufacturer: Atmel
• Series: QTouch™r
• Type: Capacitiver

Specifications of AT42QT1012-MAH

• Touch Panel Interface: 1, 2-Wire
• Number Of Inputs/keys: 1 Key
• Resolution (bits): 9, 14 b
• Data Interface: Serial
• Voltage Reference: Internal
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-UFDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

5.4
Vdd = 3.0V, Cs = 10 nF, Cx = 5 pF, Ta = recommended range, unless otherwise noted
5.5
Vdd = 3.0V, Cs = 4.7 nF, Cx = 5 pF, short charge pulse, Ta = recommended range, unless otherwise noted
9543D–AT42–08/10
Description
Threshold differential
Hysteresis
Consensus filter length
Parameter
V
V
V
V
V
I
V
C
A
I
DD
DDS
OH
DD
OL
HL
IL
IL
R
X
Signal Processing
DC Specifications
Supply voltage
Supply current
Supply turn-on slope
Low input logic level
High input logic level
Low output voltage
High output voltage
Input leakage current
Load capacitance range
Acquisition resolution
Description
0.7 Vdd
0.6 Vdd
V
DD
Min
Min
100
1.8
0
-0.7
Typ
Typ
124
10
32
36
59
88
2
4
9
0.2 Vdd
0.3 Vdd
Max
Max
100
5.5
0.6
±1
14
samples
counts
counts
Units
Units
V/s
bits
µA
µA
pF
V
V
V
V
V
Notes
Notes
1.8V
2.0V
3.0V
4.0V
5.0V
Required for proper start-up
Vdd = 1.8V – 2.4V
Vdd = 2.4V – 5.5V
Vdd = 1.8V – 2.4V
Vdd = 2.4V – 5.5V
OUT, 4 mA sink
OUT, 1 mA source
AT42QT1012
23