TDA4841 데이터 시트보기 (PDF) - Philips Electronics

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TDA4841

I2C-bus autosync deflection controller for PC monitors

Philips Electronics 

Philips Semiconductors

I2C-bus autosync deflection controller for

PC monitors

Product specification

TDA4841PS

SYMBOL

PARAMETER

CONDITIONS

MIN.

Phase adjustments and corrections via PLL1 and PLL2

HPOS

horizontal position (referenced register HPOS = 0

−

to horizontal period)

register HPOS = 127

−

register HPOS = 255

−

HPINBAL

horizontal pin unbalance

correction via HPLL2

(referenced to horizontal

period)

register HPINBAL = 0;

−

note 6

register HPINBAL = 63; −

note 6

register HPINBAL = 32; −

note 6

HPARAL

horizontal parallelogram

correction (referenced to

horizontal period)

register HPARAL = 0;

−

note 6

register HPARAL = 63;

−

note 6

register HPARAL = 32;

−

note 6

HMOIRE

relative modulation of

horizontal position by

1⁄2 horizontal frequency;

phase alternates with

1⁄2 vertical frequency

moire cancellation off

register HMOIRE = 0;

−

control bit MOD = 0

register HMOIRE = 63;

−

control bit MOD = 0

control bit MOD = 1

−

PLL2 phase detector: pins HFLB and HPLL2

φPLL2

PLL2 control (advance of

maximum advance;

36

horizontal drive with respect to register HPINBAL = 32;

middle of horizontal flyback) register HPARAL = 32

minimum advance; register −

HPINBAL = 32; register

HPARAL = 32

Ictrl(PLL2)

PLL2 control current

−

ΦPLL2

relative sensitivity of PLL2

−

phase shift related to horizontal

period

VPROT(HPLL2)(max) maximum voltage for PLL2

−

protection mode/soft start

Ich(PLL2)

charge current for external

VHPLL2 < 3.7 V

−

capacitor during soft start

Idch(PLL2)

discharge current for external VHPLL2 < 3.7 V

−

capacitor during soft down

TYP.

−13

0

13

−1.2

1.2

0.02

−1.2

1.2

0.02

0

0.02

0

−

7

75

28

4.6

1

−1

MAX. UNIT

−

%

−

%

−

%

−

%

−

%

−

%

−

%

−

%

−

%

−

%

−

%

−

%

−

%

−

%

−

µA

−

mV/%

−

V

−

µA

−

µA

1999 Oct 25

18

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