User Manual

41
9570H–AT42–01/10
AT42QT1110-MZ/AT42QT1110-AZ
8.8 Power Consumption
4.7 nF Cs Capacitors
7-key Parallel 7-key Serial 11-key Parallel 11-key Serial
11-key Serial, 1 key enabled
Vdd (V) Cycle Time
Actual Cycle Time
Idd (µA)
Actual Cycle Time
Idd (µA)
Actual Cycle Time
Idd (µA)
Actual Cycle Time
Idd (µA)
Actual Cycle Time
Idd (µA)
3.0V
0 (Free Run) 13.2 ms 2470 26.6 ms 2350 15.3 ms 2385 37.4 ms 2420 2.15 ms 2107
1 (16 ms Nominal) 17.2 ms 2180 26.6 ms 2350 17.3 ms 2182 37.4 ms 2420 16.5 ms 950 2 (32 ms Nominal) 33.6 ms 1470 34.4 ms 1950 33.8 ms 1435 37.4 ms 2420 33 ms 739 4 (64 ms Nominal) 66.4 ms 1010 67.2 ms 1325 66.4 ms 1045 68.4 ms 1587 66 ms 691
8 (128 ms Nominal) 132 ms 840 133 ms 1025 132 ms 840 134 ms 1120 132 ms 668
15 (240 ms Nominal) 248 ms 815 250 ms 850 250 ms 810 250 ms 1008 248 ms 656
5.0V
0 (Free Run) 15.1 ms 5530 30.2 ms 5405 17.3 ms 5674 43.6 ms 5425 2.15 ms 4860
1 (16 ms Nominal) 17.2 ms 5290 30.2 ms 5405 17.3 ms 5674 43.6 ms 5425 16.3 ms 2965 2 (32 ms Nominal) 33.4 ms 4210 34.4 ms 5350 33.6 ms 4013 43.6 ms 5425 32.6 ms 2400 4 (64 ms Nominal) 65.6 ms 3120 66.8 ms 4015 65.6 ms 3240 67.6 ms 4130 64.8 ms 2248
8 (128 ms Nominal) 130 ms 2705 132 ms 3225 130 ms 2840 132 ms 3530 129 ms 2206
15 (240 ms Nominal) 244 ms 2440 244 ms 3035 246 ms 2465 245 ms 3015 244 ms 2163
Note: These values are for reference only; values are untested.
10 nF Cs Capacitors
7-key Parallel 7-key Serial 11-key Parallel 11-key Serial
11-key Serial, 1 key enabled
Vdd (V) Cycle Time
Actual Cycle Time
Idd (µA)
Actual Cycle Time
Idd (µA)
Actual Cycle Time
Idd (µA)
Actual Cycle Time
Idd (µA)
Actual Cycle Time
Idd (µA)
3.0V
0 (Free Run) 24.2 ms 2375 48.4 ms 2430 24.2 ms 2434 63.6 ms 2416 8.6 ms 2130
1 (16 ms Nominal) 24.2 ms 2375 48.4 ms 2430 24.2 ms 2434 63.6 ms 2416 16.7 ms 1422 2 (32 ms Nominal) 34.4 ms 1860 48.4 ms 2430 34 ms 1945 63.6 ms 2416 33 ms 1065 4 (64 ms Nominal) 66.8 ms 1285 68.4 ms 1910 66.4 ms 1290 69.6 ms 2260 65 ms 848
8 (128 ms Nominal) 131 ms 995 133 ms 1320 132 ms 980 134 ms 1485 130 ms 766
15 (240 ms Nominal) 246 ms 845 248 ms 1030 246 ms 824 248 ms 1080 243 ms 708
5.0V
0 (Free Run) 26 ms 5810 56.4 ms 5510 28 ms 5675 73.6 ms 5596 8.6 ms 5145
1 (16 ms Nominal) 26 ms 5810 56.4 ms 5510 28 ms 5675 73.6 ms 5596 16.6 ms 3990 2 (32 ms Nominal) 34 ms 5170 56.4 ms 5510 34 ms 5196 73.6 ms 5596 32.6 ms 3160 4 (64 ms Nominal) 66 ms 3990 67.6 ms 5120 66.4 ms 3780 73.6 ms 5596 64.8 ms 2690
8 (128 ms Nominal) 131 ms 3290 132 ms 3850 130 ms 2910 133 ms 4055 129 ms 2310
15 (240 ms Nominal) 244 ms 2950 244 ms 3310 242 ms 2675 246 ms 3170 241 ms 2270
Note: These values are for reference only; values are untested.