4.5 DC SPECIFICATIONS
Vdd = 3.0, Cs = 10nF, Rs = 470K, Cx = 10pF, Gain = High, Ta = 20OC Unless otherwise noted.
Parameter
Description
Min
Typ
Max
Units
Notes
VDDL
VDDL
IDD
Guaranteed min Vdd
Guaranteed min Vdd
Supply current
2.45
2.95
V
V
-I suffix
-E suffix
30
10
8
µA
@ Vdd = 5.0V
@ Vdd = 3.3V
@ Vdd = 2.5V
V
DDS
Supply turn-on slope
Low input logic level
High input logic level
Low output voltage
High output voltage
Input leakage current
Acquisition resolution
Sensitivity range
100
2.2
V/s
V
Required for proper startup
OPT1, OPT2
V
IL
0.8
0.6
V
HL
V
OPT1, OPT2
V
OL
V
OUT, 4mA sink
OUT, 1mA source
OPT1, OPT2
V
OH
IL
Vdd-0.7
V
I
1
14
28
µA
bits
fF
A
R
9
S
1,000
Note 2
Figure 4-1 - Typical Threshold Sensitivity vs. Cx,
High Gain, at Selected Values of Cs; Vdd = 3.0
Figure 4-2 - Typical Threshold Sensitivity vs. Cx,
Medium Gain, Selected Values of Cs; Vdd = 3.0
10.00
1.00
0.10
0.01
10.00
1.00
0.10
0.01
10nF
10nF
20nF
20nF
50nF
50nF
100nF
200nF
500nF
100nF
200nF
500nF
0
10
20
30
40
0
10
20
30
40
Cx Load, pF
Cx Load, pF
Figure 4-3 Typical Supply Current Vs Vdd
Rs = 470K, Cx = 10pF, Gain = High
40
35
30
25
20
15
10
5
Cs = 20nF
..
Cs = 10nF
2.5
3
3.5
4
4.5
5
Vdd
lq
10
QT118H R1.08 / 0405
QUANTUM [ QUANTUM RESEARCH GROUP ]
