TDA4856 NXP Semiconductors, TDA4856 Datasheet - Page 20

• Manufacturer Part Number: TDA4856
• Manufacturer: NXP Semiconductors

Specifications of TDA4856

• Operating Supply Voltage (typ): 12/15V
• Operating Supply Voltage (max): 16V
• Operating Temp Range: -20C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 32
• Lead Free Status / Rohs Status: Compliant

Philips Semiconductors
2003 Sep 30
Vertical oscillator (oscillator frequency in application without adjustment of free-running frequency f
f
f
V
t
I
C
Differential vertical current outputs
A
VGAIN
VSIZE
VSIZE
VSMOD
I
R
V
fr(V)
cr(V)
d(scan)
VAGC
i(VSMOD)
VREF
DJUSTMENT OF VERTICAL SIZE INCLUDING
ref(VSMOD)
VAGC
i(VSMOD)
I
PC monitors
2
SYMBOL
C-bus autosync deflection controller for
VGA
EHT
free-running frequency
vertical frequency catching
range
voltage at reference input for
vertical oscillator
delay between trigger pulse
and start of ramp at VCAP
(pin 24) (width of vertical
blanking pulse)
currents of amplitude control
external capacitor at VAGC
(pin 22)
vertical size without VGA
overscan (referenced to
nominal vertical size)
vertical size without VGA
overscan (referenced to
nominal vertical size)
vertical size with VGA overscan
(referenced to nominal vertical
size)
EHT compensation on vertical
size via VSMOD (pin 21)
(referenced to 100% vertical
size)
input current (pin 21)
input resistance
reference voltage at input
PARAMETER
VGA
AND
EHT
R
C
constant amplitude; note 7 50
control bit VBLK = 0
control bit VBLK = 1
control bit AGCDIS = 0
control bit AGCDIS = 1
register VGAIN = 0;
register VSIZE = 127;
bit VOVSCN = 0; note 8
register VGAIN = 63;
register VSIZE = 127;
bit VOVSCN = 0; note 8
register VSIZE = 0;
register VGAIN = 63;
bit VOVSCN = 0; note 8
register VSIZE = 127;
register VGAIN = 63;
bit VOVSCN = 0; note 8
register VSIZE = 0;
register VGAIN = 63;
bit VOVSCN = 1; note 8
register VSIZE = 127;
register VGAIN = 63;
bit VOVSCN = 1; note 8
I
I
VSMOD = 0
VSMOD = 7%
i(VSMOD)
i(VSMOD)
VREF
VCAP
COMPENSATION
20
CONDITIONS
= 22 k ;
= 100 nF
= 0
= 120 A
; see Figs 3 to 7
40
220
305
150
115.9
300
120
MIN.
42
3.0
260
350
0
70
100
60
100
70
116.8
0
0
5.0
200
7
120
TYP.
Product specification
43.3
160
300
395
220
117.7
500
TDA4856
MAX.
300
fr(V)
Hz
Hz
V
nF
%
%
%
%
%
%
%
%
V
UNIT
s
s
A
A
A
A
)