AT42QT2161-MMU Atmel, AT42QT2161-MMU Datasheet - Page 45

• 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

9.3
Vdd = 5.0V, Cs = 4.7nF, Rs =
9.4
9614A–AT42–08/10
Parameter
Parameter
Iddpeak
Idds
Rrst
Iddr
Voh
Vhl
Vol
Vil
T
T
Ar
T
Fm
Iil
Fc
DW
PW
BS
DC Specifications
Timing Specifications
Average supply current,
running (LP16 ms)
Average supply current,
sleeping (SLEEP)
Peak current for LP mode (all
settings)
Low input logic level
High input logic level
Low output voltage
High output voltage
Input leakage current
Acquisition resolution
Internal RST
pull-up resistor
Burst duration
Burst center frequency
Burst modulation, percentage
Dwell time
Pulse width
Clock stretch
Description
Description
1M
, Ta = recommended range, unless otherwise noted
0.6Vdd
Min
4.2
Min
250
–
–
–
–
–
–
–
–
–
–
–
–
–
1141
1467
<1.5
Typ
1000
<2
<3
10
Typ
120
160
400
–
–
–
–
–
–
40
80
±8
25
–
0.2Vdd
3500
Max
0.2
60
Max
500
–
–
–
–
1
–
40
–
–
–
–
Units
Units
bits
kHz
µA
µA
µA
µA
k
µs
ns
ns
µs
V
V
V
V
%
BL = 4 (4x4 = 16 actual pulses)
BL = 8 (8x4 = 32 actual pulses)
BL = 12 (12x4 = 48 actual
pulses)
BL = 16 (16x4 = 64 actual
pulses)
Vdd = 3.3V
Vdd = 1.8V
Vdd = 3.3V
Vdd = 5.0V
Vdd = 3.3V
1.8V <Vdd <5V
1.8V <Vdd <5V
AT42QT2161
Notes
Notes
–
–
–
–
–
–
–
–
–
–
45