STV6412BD datasheet(14/32 Pages) STMICROELECTRONICS

14 / 32 page

Electrical characteristics

STV6412B

14/32

2.6

Blanking section

TAMB =25°C, VCCAO = 12 V, VCC = 5 V, VCC12 = 12 V, VDD = 5 V,

RLOUTA = 10 kΩ, RLOUTV = 150 Ω, unless otherwise specified.

2.6.1

Fast blanking section

CTo

Crosstalk isolation between output

channel

VIN = 1 VPP at f = 4.43 MHz, on

one input, RLOAD = 150 Ω

ROUT

Output resistance

GOUTC

Gain at OUTC

VIN = 1 VPP

5.5

6.5

GCM

Gain matching between C inputs

VIN = 1 VPP

-0.5

0.5

Mute

Mute suppression

VIN = 1 VPP at f = 4.43 MHz,

on one input

-55

CToYdel

Chroma to luma delay, source Y/C

Pin other than VOUT_RF,

VPP @ 4.43 MHz,

CToYdel

Chroma to luma delay, source Y/C Pin VOUT_RF

ZCOUT_VCR

Output impedance when switched

to ground

2.7V applied to COUT_VCR

with series 75

Ω Resistor

Table 7.

Chroma section characteristics (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Units

Table 8.

Blanking section

Symbol

Parameter

Test conditions

Min

Typ

Max

Units

Input mode

SLBlow

Input low level threshold

2.5

3.25

SLBhigh

Input high level threshold

7.5

8.25

IIN

Input current

100

µA

Output mode

SLBlow

Output low level (int. TV)

0.02

1.5

SLBmed

Output medium level (ext. 16/9)

5.75

6.5

SLBhigh

Output high level (ext. 4/3)

Table 9.

Fast blanking section

Symbol

Parameter

Test conditions

Min

Typ

Max

Units

Input mode

FBlow/high Input low/high level threshold

0.4

0.7

0.9

IIN

Input current

µA

Output mode

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