AVPro

Triple SCART A/V Switch

11

PARAMETER

CONDITION

MIN

NOM

MAX

UNIT

Digital I/O Characteristics (SCLK, SDATA)

High level input voltage

0.7*

VCC

VCC+0.3

V

Low level input voltage

GND-0.3

0.3*

VCC

V

High level input current

Vin = Vcc - 1.0V

-10

10

µA

Low level input current

Vin = 1.0V

-10

-10

µA

Low level output voltage (SDATA)

0.4

0.6

V

or read

CL = 400 pF

250

nS

Digital I/O Characteristics (DO_0, DO_1, TV_Fnc, AUX_Fnc, VCR_Fnc)

Digital output low level output

voltage

DO_0, DO_1, Register bits

read 0

4.7 k pullup

0.4

V

TV_Fnc output level

10 k load

Register 0 = xxxxxx00

Register 0 = xxxxxx01

Register 0 = xxxxxx10 or 11

0.0

5.0

10.0

1.0

6.0

10.5

1.2

6.5

VDD

V

V

V

AUX_Fnc/VCR_Fnc

input levels

Register bits read 00

Register bits read 01

Register bits read 10

0.0

4.5

9.5

2.0

7.0

VDD

V

V

V

Video Characteristics - Unless otherwise noted, typical output loading on all video outputs is 150

outputs are capable of withstanding a sustained 75 ohm load to ground without damage.

Input impedance

All video inputs

100

k

Ω

Input dynamic range

1.25

Vpp

Gain

1.9

2.0

2.1

V/V

Output gain inequality

RGB or SVHS output channel

to channel

-2.5

2.5

%

Output DC level at IC pin

V

Blank level clamp voltage

RGB, CVBS or luma

1.3

V

Average level

chroma

1.9

V

Signal to noise ratio

1 Vpp input

58

65

dB

Cross talk

-45

dB

Output to output differential delay

-20

20

nsec

Input or output, logical “0”

0.0

0.4

V

Blanking level

Input or output, logical “1”

1.0

3.0

V

Blanking delay

BLANK to RGB signals

-50

50

nsec

Differential phase

TV_YCout

-3.0

2.5

Deg.

Differential gain

TV_YCout

-5

5

%