參數(shù)資料
型號(hào): TDA9725
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)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): 18/44頁
文件大小: 337K
代理商: TDA9725
1996 Oct 14
18
Philips Semiconductors
Product specification
Y/C automatic adjustment processor
(VHS standard)
TDA9725
L
INE NOISE CANCELLER
(YNR
WEAK
;
PLAYBACK MODE
); note 9
LNC1
LNC2
LNC3
depth 1
depth 2
depth 3
30 dB non-recursive
20 dB non-recursive
0 dB non-recursive
7.0
4.3
1.0
5.5
3.3
0.2
4.5
2.3
0
dB
dB
dB
V
ERTICAL NOISE CANCELLER
(YNR
STRONG
;
PLAYBACK MODE
); note 9
VNC1
VNC2
VNC3
depth 1
depth 2
depth 3
30 dB recursive
20 dB recursive
0 dB recursive
10.0
9.0
1.8
8.5
7.5
0.4
7.5
6.5
0
dB
dB
dB
P
ICTURE CONTROL
; (note 10)
PC1
PC2
PC3
PC4
PC5
response 1 (sharp)
response 2 (sharp)
response 3 (soft)
response 4 (soft)
response 5 (centre)
V
1
= 0 V; f
i
= 0.5 MHz
V
1
= 0 V; f
i
= 2 MHz
V
1
= 3.2 V; f
i
= 0.5 MHz
V
1
= 3.2 V; f
i
= 2 MHz
pin 1 open-circuit or > 4.1 V;
f
i
= 2 MHz
pin 1 open-circuit; f
i
= 0.1 MHz
0
3.7
2.3
6.8
0.5
0.5
4.7
1.3
5.8
+0.0
1.0
5.7
0.8
4.8
+0.5
dB
dB
dB
dB
dB
t
d
delay time
185
210
235
ns
Character insert (artificial sync/black/white/through; pin 42)
R
i
internal resistance to
ground
input voltage for artificial
sync (inserts sync level)
input voltage for artificial
black (inserts black level)
input voltage for artificial
white (inserts white level)
input voltage for through
mode
V
42
= 0 to 1.0 V
40
50
60
k
V
AS
4.0
5.0
V
V
AB
2.75
3.5
V
V
AW
1.5
2.25
V
V
THR
0
1.0
V
CVBS input (pin 43)
V
43
V
i(p-p)
DC voltage
CVBS input voltage
(peak-to-peak value)
2.35
0.3
2.75
1.0
3.15
2.0
V
V
AGC detector (pin 44)
V
44
detector voltage
V
43
= 1 V (p-p)
1.8
2.5
3.2
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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