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參數(shù)資料
| 型號(hào)： | LA7437 |
| 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(hào)處理集成電路錄影機(jī)系統(tǒng) |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 215K |
| 代理商： | LA7437 |
No. 5473-2/8
LA7437, 7437A
Functions
All VHS format VCR signal processing functions
Specifications
Maximum Ratings
at Ta = 25°C
Note:
*
When mounted on a 70 mm by 65 mm, 1.5 mm thickness Bakelite board. The value for the DIP package is 1150 mW.
Operating Conditions
at Ta = 25°C
Operating Characteristics
at Ta = 25°C, V
CC
= 5.0 V
Luminance
Chrominance
Video amp.
Feed back clamp
Main LPF
YNR (AVNS)
VCA
Sync separator
4.2 V regulator
4.43 BPF
ACC amp.
ACC det.
Main converter
1.3 M LPF
VXO/XO
Side lock det.
3rd lock protector
Half H killer
BGP generator
Killer det.
VCO
Phase shifter
Sub converter
5.06 BPF
R/P
Video AGC amp.
Video AGC det.
Pre LPF
Detail enhancer
1/2 f
H
carrier shift
NL emphasis
Main emphasis
White/dark clip
FM modulator
Pre amp.
Burst emphasis (NTSC)
Killer
APC det.
AFC det.
Burst gate amp.
REC
FM AGC amp.
FM AGC det.
Double limiter
FM demodulator
Sub LPF
Double high pass noise canceller
QV/QH/character insert
Main de-emphasis
DOC
Drop out det.
NL de-emphasis
Picture control
Y/C mix
Pre amp.
Burst de-emphasis (NTSC)
PB amp.
Killer
NAP
PAL burst sequence
– Compensator
Carrier balancer
Burst gate amp.
APC det.
ID det.
DCC
Trick det.
DPLL
PB
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V
CC
max
Pd max
7.0
V
Allowable power dissipation
Ta
≤
65°C
*
1350
*
mW
Operating temperature
Topr
–10 to +65
°C
Storage temperature
Tstg
–40 to +150
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
V
CC
V
CC
op
5.0
V
Operating supply voltage
4.8 to 5.5
V
Parameter
Symbol
Conditions
min
typ
max
Unit
[Record Mode Y System]
Record mode current drain
I
CCR
V
EE
1
AGC1
Input: 1.0 Vp-p video signal
100
130
160
mA
EE output level 1
Input: 50 Hz system 1.0 Vp-p video signal
2.0
2.1
2.2
Vp-p
AGC characteristics 1
Input: 50 Hz system 2.0 Vp-p video signal
2.11
2.21
2.31
Vp-p
AGC characteristics 2
AGC2
Input: 50 Hz system 0.5 Vp-p video signal
1.99
2.09
2.19
Vp-p
AGC characteristics 3
AGC3
Input: 50 Hz system with only SYNC increased 6 dB
590
660
730
mVp-p
AGC characteristics 4
AGC4
Input: 50 Hz system with only SYNC decreased 6 dB
340
380
420
mVp-p
Sync separator output level
V
SYR
PW
SYR
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
3.9
4.2
4.6
μs
Sync separator output
prerecord delay time
T
SYR
The SYNC-OUT delay time
0.9
1.1
1.3
μs
Sync separator threshold level
TH
SYR
–20
–15
dB
Continued on next page.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LA7437A | Video Signal Processing IC for VHS VCR Systems |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA7437A | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video Signal Processing IC for VHS VCR Systems |
| 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 |
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