ASX340AT Datasheet, PDF (66/75 Pages) ON Semiconductor – Color CMOS NTSC/PAL Digital Image

ASX340CS: 1/4-Inch Color CMOS NTSC/PAL Digital Image Sensor
Electrical Specifications
NTSC Signal Parameters
Table 44:
NTSC Signal Parameters
f_{EXTCLK = 27 MHz; VDD = 1.8V; VDD_IO = 2.8V; VAA = 2.8V; VAA_PIX = 2.8V;}
VDD_PLL = 2.8V; VDD_DAC = 2.8V
Parameter
Line Frequency
Field Frequency
Sync Rise Time
Sync Fall Time
Sync Width
Sync Level
Burst Level
Sync to Setup
(with pedestal off)
Sync to Burst Start
Front Porch
Black Level
White Level
Conditions
Min
15734.25
59.94
111
111
4.6
39
36
9.2
4.71
1.27
5
90
Typ
15734.27
59.94
148
148
4.74
40
40
9.5
5.3
1.7
7.5
100
Max
15734.28
59.94
222
222
4.8
41
44
10.3
5.71
2.22
10
110
Notes:
1. Black and white levels are referenced to the blanking level.
2. NTSC convention standardized by the IRE (1 IRE = 7.14mV).
3. Encoder contrast setting R0x3C0A[5:4] = 0.
4. DAC ref = 2.8k, load = 37.5
Units
Hz
Hz
ns
ns
s
IRE
IRE
s
s
s
IRE
IRE
Notes
2, 4
2, 4
1, 2, 4
1, 2, 3, 4
ASX340AT/D Rev. H, 8/15 EN
66
©Semiconductor Components Industries, LLC, 2015.