tda4855 NXP Semiconductors, tda4855 Datasheet - Page 17

• Manufacturer Part Number: tda4855
• Description: Autosync Deflection Controller Asdc
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1996 Jul 18
Differential vertical current outputs
A
I
V
P
I
A
I
V
V
A
I
V
V
VAMP
HBUF
VPOS
VSCOR
VSCOR
VAMP
VAMP
VPOS
VSCOR
DJUSTMENT OF VERTICAL SIZE
ref(VAMP)
RESETS FOR
DJUSTMENT OF VERTICAL SHIFT
ref(VPOS)
off(VPOS)
DJUSTMENT OF VERTICAL S
ref(VSCOR)
SAWM(p-p)
Autosync Deflection Controller (ASDC)
SYMBOL
/I
HREF
VGA
vertical size adjustment range
(referenced to nominal vertical
size)
input current for maximum
amplitude (100%)
input current for minimum
amplitude (60%)
reference voltage at input
minimum current ratio
I
presets
variation of vertical size for
detected VGA modes
(reference for all amplitude
settings is VGA480 mode)
vertical shift adjustment range
(referenced to 100% vertical
size)
input current for maximum
shift-up
input current for maximum
shift-down
reference voltage at input
vertical shift is centred if VPOS
(pin 17) is forced to ground
vertical S-correction
adjustment range
input current for maximum
S-correction
input current for minimum
S-correction
symmetry error of S-correction
reference voltage at input
voltage amplitude of
superimposed logarithmic
sawtooth (peak-to-peak value)
HBUF
MODE DEPENDENT VERTICAL SIZE
/I
HREF
PARAMETER
-
CORRECTION
for enable of VGA
(see Figs 3 to 8) [VAMP (
(see Figs 3 to 8) [VPOS (
(see Figs 3 to 8) [VSCOR (
I
I
note 12
VGA350
VGA400
VGA480
I
I
I
I
note 11
maximum VSCOR
note 13
VAMP
VAMP
VPOS
VPOS
VSCOR
VSCOR
PIN
PIN
17
= 0; note 11
= 135 A; note 11
CONDITIONS
= 135 A; note 11
= 0; note 11
= 0; note 11
= 135 A;
18)]
17)]
PIN
19)]
2.25
0
110
110
110
MIN.
60
100
0
5.0
2.5
116.8
102.2
100.0
+11.5
0
5.0
2
46
0
5.0
120
11.5
120
120
TYP.
Preliminary specification
2.75
0.1
145
MAX.
135
135
135
0.7
TDA4855
%
%
V
%
%
%
%
%
V
V
%
%
%
V
mV
A
A
A
A
A
A
UNIT