ASX340CS datasheet(65/74 Pages) ONSEMI

65 / 74 page

ASX340CS_DS Rev. F Pub. 6/15 EN

©Semiconductor Components Industries, LLC, 2015.

ASX340CS: 1/4-Inch Color CMOS NTSC/PAL Digital Image Sensor

Electrical Specifications

NTSC Signal Parameters

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 R0x011 = R0x001 = 0.

4. DAC ref=2.8k, load = 37.5

Table 41:

NTSC Signal Parameters

fEXTCLK = 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

Conditions

Min

Typ

Max

Units

Notes

Line Frequency

15734.25

15734.27

15734.28

Field Frequency

59.94

Sync Rise Time

148

Sync Fall Time

148

Sync Width

4.74

s

Sync Level

39.9

IRE

2, 4

Burst Level

39.7

IRE

2, 4

Sync to Setup

(with pedestal off)

9.44

s

Sync to Burst Start

5.33

s

Front Porch

1.33

s

Black Level

6.5

7.5

8.5

IRE

1, 2, 4

White Level

100

110

IRE

1, 2, 3, 4

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