STV6434 datasheet(8/18 Pages) STMICROELECTRONICS

8 / 18 page

Electrical Characteristics

STV6434

8/18

2.3.2

Chroma Section

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

unless otherwise specified.

Dtpd7

Group delay variation from flatness

7 MHz filter

Dtpd14

Group delay variation from flatness

14 MHz filter

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDCIN

DC Input Level

RIN

Input Resistance

Ω

CIN

Input Capacitance

VIN

Max Input Signal

VPP

DYN

Dynamic Output Signal

VPP

DCCOUT

DC Output Voltage (COUT)

Without signal

1.5

CF1

-1 dB Bandwidth (Flatness)

4.5

MHz

CF3

-3 dB Bandwidth

7MHz

CSBR

Stopband Rejection

27 MHz versus 100 kHz

- 40

Flatness

Spread of Gain in Video Bands

VIN = 1 VPP

Band = 15 kHz to 5 MHz for Y1

and CVBS

±0.5

CCTo

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

ROUT

Output Resistance

Ω

Gain on C channel

VIN = 1 VPP at f = 1 MHz

5.566.5

CToYdel

Chroma to Luma Delay, source Y1/C

VIN = 1 VPP at f = 3.58 MHz

YCadd

Voltage to be applied at CVBS_ENC

input for Y+C adder selection

VCC

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

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