TDA4887 datasheet(49/68 Pages) PHILIPS

49 / 68 page

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13 INTERNAL CIRCUITRY

SYMBOL AND

DESCRIPTION

CHARACTERISTIC

WAVEFORM

EQUIVALENT CIRCUIT

FBL; fast

blanking input

for OSD

insertion

open-circuit base

OSD1; OSD

input channel 1

open-circuit base

OSD2; OSD

input channel 2

open-circuit base

MHA653

0 V

5 V

MHA928

µA

signal

blanking

OSD1

blanking

OSD2

blanking

OSD3

blanking

1 k

Ω

MHA653

0 V

5 V

MHB197

µA

signal blanking

FBL

disable OSD

1 k

Ω

1 k

Ω

MHA653

0 V

5 V

MHB198

µA

signal blanking

FBL

disable OSD

1 k

Ω

1 k

Ω

TDA4887 데이터시트(PDF) 49 Page - NXP Semiconductors

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