STV6435S データシートの表示（PDF） - STMicroelectronics

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STV6435S

Filtered Video Buffers for STB and DVD Devices

STMicroelectronics 

STV6435

Electrical Characteristics

2.3.1

Video Section (Y and CVBS Signals)

Test conditions: TAMB = 25°C, VCC = 5 V; VCCB = 5 V; RGENERATOR = 75 Ω, RLOUT = 75 Ω for Y and

CVBS outputs and RLOUT = 150 Ω for G output, unless otherwise specified.

Symbol

Parameter

Test Conditions

VDCIN DC Input Level, Bottom Clamp input Bottom level, Y and CVBS inputs

ICLAMP

Clamping Current, Bottom Clamp

input

at VDCIN - 400 mV

ILEAK

Input Leakage Current, Bottom Clamp

input

VIN = VDCIN +1 V

CIN

Input Capacitance

VIN

Maximum Input Signal

VCCV = 5 V

DYN Dynamic Output Signal

VCCV = 5 V

YF1

-1 dB Bandwidth (Flatness) of Y and

CVBS

1H signal

YF3

-3 dB Bandwidth of Y and CVBS

1H signal

YSBR Stopband Rejection

27 MHz versus 100 kHz

Flatness Spread of Gain in Video Bands

VIN = 1 VPP, Band = 15 kHz to

5 MHz for Y and CVBS

VCTo

Crosstalk Isolation of Y (or CVBS)

from C and RGB channels

VIN = 0.5 VPP at f = 3.58 MHz, on

either CIN_ENC, RIN_ENC,

BIN_ENC or GIN_ENC inputs,

RLOAD = 150Ω

ROUT Output Resistance

GY

Gain on Y and CVBS channels

VIN = 1 VPP at f = 1 MHz

DCYOUT DC Output Voltage (Y)

Video signal bottom sync pulse at

IC output pins

DCCVBSOUT DC Output Voltage (CVBS)

Video signal bottom sync pulse at

IC output pin

DPHI Differential Phase

VIN = 1 VPP at f = 3.58 MHz

DG

Differential Gain

VIN = 1 VPP at f = 3.58 MHz

LNL

Luminance non-linearity

VSN7

Video S/N Ratio: Y, C, CVBS and RGB NTC-7 weighting 4.2 MHz

channels (7 MHz filter)

Lowpass

Dtpd7 Group delay variation from flatness 7 MHz filter

Min.

1

4.0

5.5

Typ.

2

2

1

2

4.5

7

- 40

55

5

6

0.5

1.0

0.2

0.3

0.5

70

20

Max.

10

1.5

3

±0.5

10

6.5

3

3

3

Unit

V

mA

µA

pF

VPP

VPP

MHz

MHz

dB

dB

dB

Ω

dB

V

V

deg.

%

%

dB

nS

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