tda8374bh NXP Semiconductors, tda8374bh Datasheet - Page 40
tda8374bh
Manufacturer Part Number
tda8374bh
Description
Tda837x Family I?c-bus Controlled Economy Pal/ntsc And Ntsc Tv-processors
Manufacturer
NXP Semiconductors
Datasheet
1.TDA8374BH.pdf
(72 pages)
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Philips Semiconductors
Notes
1. On set AGC.
2. This parameter is not tested during production and is just given as application information for the designer of the
3. Loop bandwidth B
4. This parameter is not tested during production but is guaranteed by the design and qualified by means of matrix
5. Measured at 10 mV (RMS) top sync input signal.
6. So called projected zero point, i.e. with switched demodulator.
1997 Jul 01
B
W
G
G
B
I
I
I
Z
B
V
V
V
V
V
Z
V
I
I
bias
L
scan(max)
i(min)
i(max)
i
int
LACK CURRENT STABILIZATION
EAM CURRENT LIMITING
CR
difCR
BR
difBR
bias
det
I
and NTSC TV-processors
inc(max)
dec(max)
SYMBOL
HITE
2
television receiver.
input signal level). LC-VCO circuit: Q
batches which are made in the pilot production period.
C-bus controlled economy PAL/NTSC
-
POINT ADJUSTMENT
bandwidth of output signals
I
maximum increase of the gain
maximum decrease of the gain
bias current for the picture tube
cathode
acceptable leakage current
maximum current during scan
input impedance
contrast reduction starting
voltage
voltage difference for full
contrast reduction
brightness reduction starting
voltage
voltage difference for full
brightness reduction
internal bias voltage
internal impedance
detection level for vertical guard
minimum input current to
activate the guard circuit
maximum allowable input
current
2
C-bus setting for nominal gain
L
= 60 kHz (natural frequency f
/
VERTICAL GUARD INPUT
PARAMETER
(
PIN
18); note 48
0
60, C
(
PIN
ext
RGB input at 3 dB
CVBS input at 3 dB;
f
CVBS input at 3 dB;
f
S-VHS input; at 3 dB
HEX code
HEX code 3FH
HEX code 00H
nominal white point setting
osc
osc
n
22); note 49
= 12 pF, C
= 15 kHz; damping factor d = 2; calculated with sync level as FPLL
= 3.6 MHz
= 4.44 MHz
CONDITIONS
40
int
= 20 pF.
8
5
40
35
MIN.
2.8
3.5
20H
50
45
10
0.3
15
3.1
2
1.6
1
3.3
40
3.65
100
1
100
TYP.
TDA837x family
Preliminary specification
60
55
MAX.
MHz
MHz
MHz
MHz
%
mA
k
V
V
V
V
V
k
V
mA
%
UNIT
A
A
A
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