STV6414A datasheet(14/32 Pages) STMICROELECTRONICS

14 / 32 page

Electrical characteristics

STV6414A

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.

CTo

Crosstalk isolation between

output channel

VIN = 1 VPP at 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 4.43 MHz on one

input

CToYdel

Chroma to luma delay, source

Y/C

VPP at 4.43 MHz

ZCOUT_V

Output impedance when

switched to ground

2.7V applied to COUT_VCR

with series 75

Ω Resistor

Table 8.

Chroma section characteristics (continued)

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

Table 9.

Slow blanking section

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

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 10.

Fast blanking section

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

Input mode

FBlow/high Input low/high level threshold

0.4

0.7

0.9

IIN

Input current

µA

Output mode

FBLOW

Output Low Level

RLOAD = 150 Ω

0.5

FBHIGH

Output High Level

3.0

3.4

3.8

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