參數(shù)資料
型號(hào)： 935089530518
廠商： NXP SEMICONDUCTORS
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝： 14 X 20 MM, 2.80 MM HEIGHT, PLASTIC, SOT-319-2, QFP-64
文件頁(yè)數(shù)： 14/47頁(yè)
文件大?。?/td> 250K
代理商： 935089530518
1996 Jan 26
21
Philips Semiconductors
Objective specication
I2C-bus controlled PAL/NTSC TV processors
TDA8376; TDA8376A
Horizontal synchronization circuits
SYNC VIDEO INPUTS(PINS 7, 9 AND 13)
V7,9,13
sync pulse voltage amplitude
note 7
50
300
mV
SLHS
slicing level for horizontal sync
note 11
50
%
SLVS
slicing level for vertical sync
30
%
HORIZONTAL OSCILLATOR
ffr
free running frequency
15625
Hz
ffr
spread of free running frequency
±2%
f/V
P
frequency variation with respect to
the supply voltage
VP =8V ±10%; note 2
0.2
0.5
%
f
(max)
maximum frequency variation with
temperature
Tamb = 0 to 70 °C; note 2
80
Hz
FIRST CONTROL LOOP (FILTER CONNECTED TO PIN 44); note 12
fHR
frequency holding range PLL
±0.9
±1.2
kHz
fCR
frequency catching range PLL
note 2
±0.6
±0.9
kHz
S/N
signal-to-noise ratio of the video
input signal at which the time
constant is switched
20
dB
HYS
hysteresis at the switching point
1
dB
SECOND CONTROL LOOP (CAPACITOR CONNECTED TO PIN 43)
i/o
control sensitivity
150
s/s
tcr
control range from start of horizontal
output to yback at nominal shift
position
11
12
s
tshift
horizontal shift range
63 steps
±2
s
dync
control sensitivity for dynamic
compensation
5.3
s/V
V43
voltage to switch on the ‘a(chǎn)sh’
protection
note 13
6
V
I43
input current during protection
1mA
HORIZONTAL OUTPUT (PIN 40); note 14
VOL
LOW level output voltage
IOL =10mA
0.3
V
IO(max)
maximum allowed output current
10
mA
VO(max)
maximum allowed output voltage
VP
V
δ
duty factor
note 2
50
%
note 2; VHOUT = high;
during switch-on/switch-off
75
%
fswitch
frequency during switch-on and
switch-off
2fHOUT
Hz
tswitch(on)
switch-on time
50
ms
tswitch(off)
switch-off time
RGB drive maximum
100
ms
RGB drive minimum
50
ms
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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