AT42QT1070-MMH Atmel, AT42QT1070-MMH Datasheet - Page 25

• 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

6.4
Cx = 5 pF, Rs = 4.7 k
6.5
9596A–AT42–10/10
Parameter
F
F
Fm
T
T
I2C
QT
R
D
Power Consumption Measurements
Timing Specifications
1 (16 ms)
2 (24 ms)
4 (32 ms)
5 (40 ms)
6 (48 ms)
LP Mode
0 (8 ms)
Response time
Sample frequency
Power-up delay to
operate/calibration time
I
Burst modulation,
percentage
RESET pulse width
2
C-compatible clock rate
Description
Minimum
DI setting
x 8 ms
1744
1375
1263
1168
1119
1089
162
5V
–
–
5
Typical
<230
180
±8
–
–
–
LP mode + (DI setting x
Idd (µA) at Vdd =
Maximum
8 ms)
198
400
3.3V
–
–
906
615
525
486
445
434
Units
kHz
kHz
ms
ms
µs
%
AT42QT1070
Under host control
Modulated
spread-spectrum (chirp)
Can be longer if burst is
very long.
1.8V
442
305
261
234
221
211
Notes
–
–
–
25