Datasheet

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