TDA4858 Datasheet, PDF (15/44 Pages) NXP Semiconductors – Economy Autosync Deflection Controller (EASDC)

Philips Semiconductors
Economy Autosync Deflection Controller
(EASDC)
Product specification
TDA4858
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP.
t_clamp(max)
maximum duration of video
V_CLBL = 3 V; V_CLSEL > 7 V −
−
clamping pulse after end of
V_CLBL = 3 V; V_CLSEL < 5 V −
−
horizontal sync
I_CLSEL
input current
V_CLSEL < 5 V
V_CLSEL > 7 V
−
−
−
−
PLL1 phase comparator and frequency-locked loop [HPLL1 (pin 26) and HBUF (pin 27)]
t_HSYNC(max)
t_lock(HPLL1)
V_HPLL1
V_HBUF
maximum width of horizontal
sync pulse (referenced to line
period)
total lock-in time of PLL1
control voltage
buffered f/v voltage at HBUF
(pin 27)
I_load(HBUF)
maximum load current
ADJUSTMENT OF HORIZONTAL PICTURE POSITION
f_H < 45 kHz
f_H > 45 kHz
notes 2 and 3
f_H(min); note 4
f_H(max); note 4
−
−
−
−
−
40
−
5.6
−
2.5
−
−
∆HPOS
I_HPOS
V_ref(HPOS)
V_off(HPOS)
horizontal shift adjustment
range (referenced to horizontal
period)
input current
reference voltage at input
picture shift is centred if HPOS
(pin 30) is forced to ground
I_HSHIFT = 0
I_HSHIFT = −135 µA
∆HPOS = +10.5%
∆HPOS = −10.5%
note 5
−
−
−110
−
−
0
−10.5
+10.5
−120
0
5.1
−
Horizontal oscillator [HCAP (pin 29) and HREF (pin 28)]
f_H(0)
∆f_H(0)
TC
f_H(max)
V_HREF
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
R_HBUF = ∞;
R_HREF = 2.4 kΩ;
C_HCAP = 10 nF; note 3
30.53 31.45
−
−
−100 0
−
−
2.43 2.55
MAX.
0.15
1.0
−20
±3
20
25
80
−
−
−4.0
−
−
−135
−
−
0.1
32.39
±3.0
+100
130
2.68
UNIT
µs
µs
µA
µA
%
%
ms
V
V
mA
%
%
µA
µA
V
V
kHz
%
10^−6/K
kHz
V
1997 Oct 27
15