STV6436 データシートの表示（PDF） - STMicroelectronics

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STV6436

Filtered Video Buffers for STB and DVD Devices

STMicroelectronics 

Electrical Characteristics

STV6436

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 Y1

and CVBS

Crosstalk Isolation of C from Y1, Y2

and CVBS Channels

VIN = 1 VPP at f = 3.58 MHz,

on Y1 or Y2 or CVBS inputs,

RLOAD = 150Ω

Output Resistance

Gain on C channel

VIN = 1 VPP at f = 1 MHz

Chroma to Luma Delay, source Y1/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

Typ.

3

50

2

1.5

4.5

7

- 40

Max.

1

2

Unit

V

kΩ

pF

VPP

VPP

V

MHz

MHz

dB

±0.5

dB

55

dB

5

10

Ω

5.5

6

6.5

dB

20

ns

VCC

VCC

V

8/17

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