STV6435 Ver la hoja de datos (PDF) - STMicroelectronics

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fabricante

STV6435

Filtered Video Buffers for STB and DVD Devices

STMicroelectronics 

Electrical Characteristics

STV6435

2.3.2

Chroma Section

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

unless otherwise specified.

Symbol

VDCIN

RIN

CIN

VIN

DYN

DCCOUT

CF1

CF3

CSBR

Flatness

CCTo

ROUT

GC

CToYdel

YCadd

Parameter

Test Conditions

DC Input Level

Input Resistance

Input Capacitance

Max Input Signal

Dynamic Output Signal

DC Output Voltage (COUT)

Without signal

-1 dB Bandwidth (Flatness)

-3 dB Bandwidth

Stopband Rejection

27 MHz versus 100 kHz

Spread of Gain in Video Bands

VIN = 1 VPP, Band = 15 kHz to

5 MHz for Y and CVBS

Crosstalk Isolation of C from Y, RGB VIN = 1 VPP at f = 3.58 MHz, on Y

and CVBS Channels

or CVBS inputs, RLOAD = 150Ω

Output Resistance

Gain on C channel

VIN = 1 VPP at f = 1 MHz

Chroma to Luma Delay, source Y/C VIN = 1 VPP at f = 3.58 MHz

Voltage to be applied at CVBS_ENC

input for Y+C adder selection

Min.

30

4

5.5

Typ.

3

50

2

1.5

4.5

7

- 40

55

5

6

VCC

Max.

1

2

±0.5

10

6.5

20

VCC

Unit

V

kΩ

pF

VPP

VPP

V

MHz

MHz

dB

dB

dB

Ω

dB

ns

V

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