STV6412B datasheet(13/32 Pages) STMICROELECTRONICS

13 / 32 page

STV6412B

Electrical characteristics

13/32

Note:

S/N = 20 log (VOUT Black to White = 0.7 VPP / VNoise (mVRMS) weighted CCIR 567).

2.5

Chroma section characteristics

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

RGA = 600 Ω, RLOUTA = 10 kΩ, RGV = 50 Ω, RLOUTV = 150 Ω, unless otherwise specified.

CTo

Crosstalk isolation between output

channel

VIN = 1 VPP at

f = 4.43 MHz, on one point,

RLOAD = 150 Ω

ROUT

Output resistance

GRGB

Gain at RGB outputs

VIN = 1 VPP, Gain set to

6dB

5.5

6.5

GRGBM

Gain matching between R, G, B

VIN = 1 VPP, Gain set to

6dB

-0.3

0.3

GRGBSTEP Step of gain

3 dB to 6 dB

0.75

1.25

GYCVBS

Gain on Y,/CVBS channels

VIN = 1 VPP

5.5

6.5

GYCVBSM

Gain matching between Y, CVBS

inputs

VIN = 1 VPP

-0.5

0.5

DCOUT

DC output voltage

Bottom sync pulse

0.6

DCOUT RF RF output voltage

Bottom sync pulse

DPHI

Differential phase

VIN = 1 VPP at f = 4.43 MHz

° deg.

Differential gain

VIN = 1 VPP at f = 4.43 MHz

Mute

Mute suppression

VIN = 1 VPP at f = 5 MHz on

one point

-55

LNL

Luminance non-linearity

0.3

VSN

Video S/N ratio

Refer to Note 1

Table 6.

Video section characteristics (continued)

Symbol

Parameter

Test conditions

Min

Typ

Max

Units

Table 7.

Chroma section characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Units

VDCIN

DC input level

RIN

Input resistance

CIN

Input capacitance

VIN

Max input signal

1.5

VPP

DYN

Dynamic output signal

VPP

DCOUT

DC output VCR voltage

2.2

CBW

Chroma bandwidth

CIN = 1 VPP at -3 db

MHz

CTi

Crosstalk isolation between Input

channel

VIN = 1 VPP at f = 4.43 MHz, on

one input

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