
NT6862-5xxxx
52
AC Electrical Characteristics
(V
DD
= 5V, T
A
= 25
°
C, Oscillator freq. = 8MHz, unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
Conditions
Fsys
System Clock
8
MHz
t
CNVT
A/D Conversion Time
750
µ
s
Voffset
A/D Converter Error
1
LSB
Vlinear
A/D Input Dynamic Range of
Linearity Conversion
1.5
3.5
V
t
DELAY
The Delay Time of Vsync input
and Vsync output
20
ns
Composite sync with fixed
delay (Refer Figure 13.5)
t
RESET
Reset Pulse Width Low
2
t
CYCLE
t
CYCLE
= 2/ Fsys
Fvsync
Vsync Input Frequency
25K
Hz
t
VSYNC
= 1/Fvsync
t
VPW
Vsync Input Pulse Width
8
2000
µ
s
Fhsync
Hsync Input Frequency
120
KHz
t
HSYNC
= 1/Fhsync
t
HPW1
Maximum Pulse Width of Hsync
Input High (Positive Polarity)
0.25
7
µ
s
t
HPW2(sep)
Minimum Pulse Width of Hsync
Input Low (Positive Polarity)
8
µ
s
Separate sync mode
t
HPW2(comp)
Minimum Pulse Width of Hsync
Input Low (Positive Polarity)
9.125
µ
s
Composite sync mode
t
ERROR1
Counting Deviation of Base
Timer
1
µ
s
1
µ
s clock source
t
ERROR2
Counting Deviation of Base
Timer
1
ms
1ms clock source