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參數(shù)資料
| 型號： | LA7437A |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Video Signal Processing IC for VHS VCR Systems |
| 中文描述： | 視頻信號處理集成電路錄影機系統(tǒng) |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 215K |
| 代理商： | LA7437A |
No. 5473-4/8
LA7437, 7437A
Parameter
Symbol
Conditions
min
typ
max
Unit
[Record Mode Y System]
White insertion level (playback)
WH
P
V
SYP
PW
SYP
With 1.3 V applied to T14A
150
300
450
mV
Sync separator output level
The SYNC-OUT output pulse wave height
3.9
4.2
4.5
V
Sync separator output pulse width
The SYNC-OUT output pulse width
4.2
4.5
4.8
μs
Sync separator output
pre-record delay time
T
SYP
1.4
1.6
1.8
μs
4.2 V regulator voltage
V
REG
4.0
4.2
4.4
V
[Record Mode Chrominance System]
Chrominance low band
conversion output burst level
V
OR-38
Input: PAL/GBI standard color bar signal, 1 Vp-p
150
190
230
mVp-p
VXO oscillator level 1
V
VXO-R1
ACC
-R1
ACC
-R2
V
ACCK-ON
V
O-ACCK
V
ACCK-OFF
S
VXO
f
APC1
f
APC2
t
D
t
W
f
AFC1
f
AFC2
Input: PAL/GBI standard color bar signal, 1 Vp-p
300
500
700
mVp-p
Record ACC characteristics 1
With only the chrominance signal level increased 6 dB
+0.2
+0.6
dB
Record ACC characteristics 2
With only the chrominance signal level decreased 6 dB
–0.5
–0.1
dB
ACC killer on input level
–26
dB
ACC killer on output level
–60
–50
dB
ACC killer recovery input level
–20
dB
VXO control sensitivity
3.8
5.7
7.6
Hz/m
APC pull-in range 1
350
Hz
APC pull-in range 2
–350
Hz
BGP delay time
Input: PAL/GBI standard color bar signal, 1 Vp-p
3.1
3.4
3.7
μs
BGP pulse width
4.7
4.9
5.1
μs
AFC pull-in range 1
+1.0
+7.0
kHz
AFC pull-in range 2
–3.7
–1.0
kHz
[Playback Mode Chrominance System]
Video output burst level
V
OP-11
V
OP-25
ACC
-P1
ACC
-P2
V
ACK-P
SP mode, input: burst 30 mVp-p
255
300
345
mVp-p
Pin 25 output burst level
SP mode, input: burst 30 mVp-p
195
230
265
mVp-p
Playback ACC characteristics 1
With the chrominance level increased 6 dB
+0.5
+0.8
dB
Playback ACC characteristics 2
With the chrominance level decreased 6 dB
–0.8
–0.5
dB
Playback killer on input level
–40
–32
–25
dB
Playback killer on chrominance
output level
V
OACK-P
–44
–40
dB
Main converter carrier leakage
C
LP
G
BD
V
XO-P1
The 5.06 MHz carrier leakage component
–40
–33
dB
Burst de-emphasis level NT
NTSC mode
–5.25
–5.0
–4.75
dB
Playback XO output level 1
300
450
600
mVp-p
Playback XO oscillator
frequency deviation
f
XO
fXO = f – 4.43361875 (MHz)
–9
0
+9
Hz
SLD detector current 1
I
SLD1
I
SLD2
V
BNT
135
μA
SLD detector current 2
135
μA
NTSC playback burst output level
NTSC mode
255
300
345
mVp-p
NTSC to PAL conversion -
V axis burst level
VB-NAP
–1.0
0.0
+1.0
dB
NTSC to PAL conversion burst
level ratio
B-NAP
–2.0
0.0
+2.0
dB
Continued on next page.
Continued from preceding page.
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PDF描述 |
|---|---|
| LA7440 | Video Signal Processing IC for VHS VCR Systems |
| LA7440M | Video Signal Processing IC for VHS VCR Systems |
| LA7449 | Video Signal Processing IC for VHS VCR Systems |
| LA7449M | Video Signal Processing IC for VHS VCR Systems |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LA7440 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video Signal Processing IC for VHS VCR Systems |
| LA7440M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video Signal Processing IC for VHS VCR Systems |
| LA7449 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video Signal Processing IC for VHS VCR Systems |
| LA7449M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video Signal Processing IC for VHS VCR Systems |
| LA7451M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Two-Channel, Noise Reduction Processor for 8-mm VCR PCM |
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