5.4
Signal Processing
Vdd = 3.0V, Cs = 4.± nF, Cx = 5 pF, Ta = recommended range, unless otherwise noted
Description
Min
Typ
10
2
Max
Units
counts
counts
samples
Notes
Threshold differential
Hysteresis
Consensus filter length
4
(At 3V in LP mode) Will vary in
SYNC mode and with Vdd
Max on-duration
60
seconds
5.5
DC Specifications
Vdd = 3.0V, Cs = 4.± nF, Cx = 5 pF, Ta = recommended range, unless otherwise noted
Parameter
Description
Supply voltage
Min
Typ
Max
Units
Notes
VDD
1.8
5.5
V
203.0
246.0
3±8.5
542.5
±29.0
1.8V
2.0V
3.0V
4.0V
5.0V
IDD
Supply current, Fast mode
Supply current, LP mode
µA
µA
16.5
19.5
34.0
51.5
±3.5
1.8V
2.0V
3.0V
4.0V
5.0V
IDDI
VDDS
Supply turn-on slope
Low input logic level
10
V/s
V
Required for proper start-up
0.2 Vdd
0.3 Vdd
Vdd = 1.8V – 2.4V
Vdd = 2.4V – 5.5V
VIL
0.± Vdd
0.6 Vdd
Vdd = 1.8V – 2.4V
Vdd = 2.4V – 5.5V
VHL
High input logic level
V
VOL
VOH
IIL
Low output voltage
0.5
V
V
OUT, 4 mA sink
High output voltage
Input leakage current
Load capacitance range
Acquisition resolution
2.3
2
OUT, 1 mA source
<0.05
9
1
µA
pF
bits
CX
AR
50
14
14
AT42QT1010
9541G–AT42–03/10
ATMEL [ ATMEL ]
