TDA4841PS Datasheet, PDF (17/60 Pages) NXP Semiconductors – I2C-bus autosync deflection controller for PC monitors

Philips Semiconductors
I²C-bus autosync deflection controller for
PC monitors
Product specification
TDA4841PS
SYMBOL
PARAMETER
CONDITIONS
MIN.
Horizontal oscillator: pins HCAP and HREF
f_fr(H)
∆f_fr(H)
free-running frequency without
PLL1 action (for testing only)
spread of free-running
frequency (excluding spread of
external components)
R_HBUF = ∞;
R_HREF = 2.4 kΩ;
C_HCAP = 10 nF; note 3
TC_fr
temperature coefficient of
free-running frequency
f_H(max)
V_HREF
maximum oscillator frequency
voltage at input for reference
current
30.53
−
−100
−
2.43
Unlock blanking detection: pin HUNLOCK
V_{scan(HUNLOCK)}
low-level voltage of HUNLOCK saturation voltage in case −
of locked PLL1; internal
sink current = 1 mA
V_{blank(HUNLOCK)} blanking level of HUNLOCK
I_L = 0
0.9
TC_blank
temperature coefficient of
−
V_{blank(HUNLOCK)}
TC_sink
temperature coefficient of
−
I_{sink(HUNLOCK)}
I_sink(int)
internal sink current
for blanking pulses;
1.4
PLL1 locked
I_L(max)
I_LI
maximum external load current V_HUNLOCK = 1 V
−
leakage current
V_HUNLOCK = 5 V in case of −
unlocked PLL1 and/or
protection active
PLL1 phase comparator and frequency-locked loop: pins HPLL1 and HBUF
t_{W(HSYNC)(max)}
maximum width of horizontal
−
sync pulse (referenced to line
period)
t_lock(HPLL1)
I_ctrl(HPLL1)
total lock-in time of PLL1
control currents
−
notes 4 and 5
locked mode; level 1
−
locked mode; level 2
−
V_HBUF
buffered f/v voltage at HBUF minimum horizontal
−
(pin 27)
frequency
maximum horizontal
−
frequency
TYP.
31.45
−
0
−
2.55
−
1
−0.9
0.15
2.0
−
−
−
40
15
145
2.55
0.5
MAX. UNIT
32.39 kHz
±3.0 %
+100 10^−6/K
130 kHz
2.68 V
250 mV
1.1
V
−
mV/K
−
%/K
2.6
mA
−2
mA
±5
µA
25
%
80
ms
−
µA
−
µA
−
V
−
V
1999 Oct 25
17