tda4856-v6 NXP Semiconductors, tda4856-v6 Datasheet - Page 18

• Manufacturer Part Number: tda4856-v6
• Description: I2c-bus Autosync Deflection Controller For Pc Monitors
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Sep 30
Phase adjustments and corrections via PLL1 and PLL2
HPOS
HPINBAL
HPARAL
HMOIRE
HMOIRE
PLL2 phase detector: pins HFLB and HPLL2
I
V
I
I
ctrl(PLL2)
ch(HPLL2)
dch(HPLL2)
PLL2
PROT(HPLL2)(max)
I
PC monitors
PLL2
2
SYMBOL
C-bus autosync deflection controller for
off
horizontal position (referenced
to horizontal period)
horizontal pin unbalance
correction via HPLL2
(referenced to horizontal
period)
horizontal parallelogram
correction (referenced to
horizontal period)
relative modulation of
horizontal position by
1
phase alternates with
1
moire cancellation off
PLL2 control (advance of
horizontal drive with respect to
middle of horizontal flyback)
PLL2 control current
relative sensitivity of PLL2
phase shift related to horizontal
period
maximum voltage for PLL2
protection mode/soft start
charge current for external
capacitor during soft start
discharge current for external
capacitor during soft down
2
2
horizontal frequency;
vertical frequency
PARAMETER
register HPOS = 0
register HPOS = 127
register HPOS = 255
register HPINBAL = 0;
note 6
register HPINBAL = 63;
note 6
register HPINBAL = 32;
note 6
register HPARAL = 0;
note 6
register HPARAL = 63;
note 6
register HPARAL = 32;
note 6
register HMOIRE = 0;
control bit MOD = 0
register HMOIRE = 63;
control bit MOD = 0
control bit MOD = 1
maximum advance;
register HPINBAL = 32;
register HPARAL = 32
minimum advance;
register HPINBAL = 32;
register HPARAL = 32
V
V
HPLL2
HPLL2
18
CONDITIONS
< 3.7 V
< 3.7 V
36
MIN.
0
13
1.2
0.02
1.2
0.02
0
0.07
0
7
75
28
4.6
1
13
1.2
1.2
1
TYP.
Product specification
TDA4856
MAX.
%
%
%
%
%
%
%
%
%
%
%
%
%
%
mV/%
V
UNIT
A
A
A