tda4856-v6 NXP Semiconductors, tda4856-v6 Datasheet - Page 17

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

Philips Semiconductors
2003 Sep 30
Horizontal oscillator: pins HCAP and HREF
f
TC
f
V
Unlock blanking detection: pin HUNLOCK
V
V
TC
TC
I
I
I
PLL1 phase comparator and frequency-locked loop: pins HPLL1 and HBUF
t
t
I
V
fr(H)
H(max)
sink(int)
L(max)
LI
W(HSYNC)(max)
lock(HPLL1)
ctrl(HPLL1)
f
HREF
scan(HUNLOCK)
blank(HUNLOCK)
HBUF
I
PC monitors
fr(H)
2
fr
blank
sink
SYMBOL
C-bus autosync deflection controller for
free-running frequency without
PLL1 action (for testing only)
spread of free-running
frequency (excluding spread of
external components)
temperature coefficient of
free-running frequency
maximum oscillator frequency
voltage at input for reference
current
low-level voltage of HUNLOCK
blanking level of HUNLOCK
temperature coefficient of
V
temperature coefficient of
I
internal sink current
maximum external load current V
leakage current
maximum width of horizontal
sync pulse (referenced to line
period)
total lock-in time of PLL1
control currents
buffered f/v voltage at HBUF
(pin 27)
sink(HUNLOCK)
blank(HUNLOCK)
PARAMETER
R
R
C
saturation voltage in case
of locked PLL1; internal
sink current = 1 mA
I
for blanking pulses;
PLL1 locked
V
unlocked PLL1 and/or
protection active
notes 4 and 5
minimum horizontal
frequency
maximum horizontal
frequency
L
HUNLOCK
HUNLOCK
HBUF
HREF
HCAP
= 0
locked mode; level 1
locked mode; level 2
17
CONDITIONS
= ;
= 2.4 k ;
= 10 nF; note 3
= 1 V
= 5 V in case of
30.53
2.43
0.9
1.4
100
MIN.
31.45
0
2.55
1
0.15
2.0
40
15
145
2.55
0.5
0.9
TYP.
Product specification
32.39
+100
130
2.68
250
1.1
2.6
25
80
TDA4856
MAX.
3.0
2
5
kHz
%
10
kHz
V
mV
V
mV/K
%/K
mA
mA
%
ms
V
V
UNIT
A
A
A
6
/K