TDA4887PS datasheet(53/68 Pages) PHILIPS

53 / 68 page

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HFB; output

clamping input,

blanking input

VHFB > 0.2 V:

open-circuit base

VHFB ≤ 0.2 V: source

current rising with

decreasing voltage

SDA; I2C-bus

serial data

input/output

no acknowledge:

open-circuit base

during acknowledge:

ISDA >3mA

SCL; I2C-bus

clock input

open-circuit base

SYMBOL AND

DESCRIPTION

CHARACTERISTIC

WAVEFORM

EQUIVALENT CIRCUIT

MHA649

5 V

0 V

MHA625

µA

blanking

1.7 V

clamping

1 k

Ω

10 k

Ω

12 k

Ω

10 k

Ω

6 k

Ω

2VBE

3 V

+ VBE

power on/down

µA

MHA647

5 V

0 V

halfpage

acknowledge

Ω

µA

2.46 V

+ VBE

MHB924

MHA648

5 V

0 V

alfpage

µA

1 k

Ω

2.46 V

+ VBE

MHB925

TDA4887PS Datasheet(PDF) 53 Page - NXP Semiconductors

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