參數(shù)資料
型號： TDA9725
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： Y/C automatic adjustment processor VHS standard
中文描述： SPECIALTY CONSUMER CIRCUIT, PDIP52
封裝： 0.600 INCH, PLASTIC, SOT-247-1, SDIP-52
文件頁數(shù)： 15/44頁
文件大?。?/td> 337K
代理商： TDA9725
1996 Oct 14
15
Philips Semiconductors
Product specification
Y/C automatic adjustment processor
(VHS standard)
TDA9725
ACC output (pin 32);
see Table 5
V
32
V
o(p-p)
DC output voltage
controlled output signal
voltage
(peak-to-peak value)
1.75
370
350
2.25
460
440
2.75
550
530
V
mV
mV
V
i
= 0 dB; record mode
V
i
= 0 dB; playback mode; PAL;
15 dB comb filter
V
i
=
15 dB/+6 dB;
record and playback modes
nominal input and output signal
nominal input and output signal
G
o
deviation of output signal
1.0
+1.0
dB
H
2
H
3
second harmonic distortion
third harmonic distortion
40
40
dB
dB
Balanced mixer input (pin 33)
V
33
V
i(p-p)
DC voltage
nominal input signal voltage
(peak-to-peak value)
1.6
1.9
440
2.2
V
mV
Switch SECAM/NTSC/PAL (pin 34)
R
I
internal resistance to
ground
input voltage
40
50
60
k
V
i
active SECAM mode
active NTSC mode
active PAL mode
3.5
1.75
0
5
3
1.25
V
V
V
Comb driver output (pin 35);
see Tables 3, 4 and 10
V
35
V
o(p-p)
DC output voltage
output signal voltage
(peak-to-peak value)
record and playback modes
playback mode; NTSC;
10 dB comb filter
playback mode; PAL/SECAM;
15 dB comb filter
playback mode; 0 dB
playback mode; 0 dB
playback mode; NTSC; SP
playback mode; NTSC; EP
record mode (ACC is not active)
from pin 43
2.0
304
2.5
380
3.0
456
V
mV
540
675
810
mV
H
2
H
3
G
BD(S)
G
BD(E)
G
SECid
second harmonic distortion
third harmonic distortion
burst down
burst down
gain of output signal for
SECAM identification
6.0
5.0
5.0
4.0
3.0
40
40
4.0
3.0
dB
dB
dB
dB
dB
Chrominance input from comb filter (pin 36)
V
GL
V
CCD
V
i(p-p)
DC voltage for glass comb
DC voltage for CCD comb
input signal voltage
(peak-to-peak value)
AC coupled
DC coupled
PAL; NTSC
3.2
0
4.0
120
4.8
1.5
V
V
mV
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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