Electronic Components Datasheet Search
Selected language     English  ▼


LA7357 Datasheet(PDF) 2 Page - Sanyo Semicon Device

Part No. LA7357
Description  PAL/SECAM Discrimination Circuit for VHS VCRs
Download  6 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
Logo 

   
 2 page
background image
No. 5654-2/6
LA7357
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Current drain
ICC1
Pin 5 = ground, pin 7 influx current: T4 output
7.0
10.0
13.0
mA
ICC2
Pin 5 = VCC, pin 7 influx current: T4 output
7.5
10.5
13.5
mA
The pin 5 voltage when the pin 2 output
appears when slowly raising the voltage
BGP threshold level
BTH
applied to pin 5 from 0 V.
2.2
2.5
2.8
V
The input signal should be 300 mVp-p:
T2 output
The pin 5 voltage when the pin 2 output
appears when slowly lowering the voltage
SYNC threshold level
STH
applied to pin 5 from 5 V.
0.6
0.8
1.0
V
The input signal should be 300 mVp-p:
T2 output
Stipulated as the output ratio when a
Input limiter amplifier gain
LIMG
10 mVp-p amplitude sine wave is input to
9
12
15
dB
pin 1: T2 output
Measure the output amplitude when a
Input limiter amplifier level
LIMD
300 mVp-p amplitude sine wave is input to
150
190
230
mVp-p
pin 1: T2 output
The V1 level when T1 switches from low to
Comparator hysteresis high-level voltage
Comp H
high when slowly raising V1 from 0 V: T1
2.7
3.0
3.3
V
output
The V1 level when T1 switches from high to
Comparator hysteresis low-level voltage
Comp L
low when slowly lowering V1 from 5 V: T1
2.0
2.3
2.6
V
output
DET-OUT output high-level voltage
DETH
With a 2-k
Ω load: T1 output
3.6
4.0
4.4
V
DET-OUT output low-level voltage
DETL
With a 2-k
Ω load: T1 output
0
0.2
0.4
V
Operating Characteristics at Ta = 25°C, VCC = 5 V
Switching Conditions
Symbol
Input signal
Input pulse
Applied voltage
Switch states
S1
S2
S3
S4
V1
V2
SW1
SW2
SW3
SW4
SW5
ICC1
No signal
No signal
0 V
0 V
Off
Off
Off
Off
Off
ICC2
No signal
No signal
5 V
5 V
Off
Off
Off
Off
Off
BTH
Sig.1
No signal1
0 V
0 V
Variable DC level
On
Off
On
Off
Off
STH
No signal
Sig.1
0 V
0 V
Variable DC level
On
Off
On
Off
Off
LIMG
Sig.1
No signal
5 V
0 V
On
Off
Off
Off
Off
LIMD
Sig.1
No signal
5 V
0 V
On
Off
Off
Off
On
Comp H
No signal
No signal
No signal
No signal
Variable DC level
Off
On
Off
Off
On
Comp L
No signal
No signal
No signal
No signal
Variable DC level
Off
On
Off
Off
On
DETH
Sig.2
Sig.1
P2
P1
Off
Off
Off
Off
On
DETL
Sig.3
Sig.1
P2
P1
Off
Off
Off
Off
On




Html Pages

1  2  3  4  5  6 


Datasheet Download



Related Electronics Part Number

Part NumberComponents DescriptionHtml ViewManufacturer
LA70001Record/Playback Amplifiers for VHS Format VCRs 1 2 3 4 5 MoreSanyo Semicon Device
LA70011Recording/Playback Amplifier for VHS VCRs 1 2 3 4 5 MoreSanyo Semicon Device
LA70020Recording/Playback Amplifier for VHS VCRs 1 2 3 4 5 MoreSanyo Semicon Device
BA7107SECAM chroma signal processor for VHS VCRs 1 2 3 4 5 MoreRohm
LA7411Playback Amplifier and Record Amplifier for VHS VCRs 1 2 3 4 5 Sanyo Semicon Device
BA7207ASSECAM chroma signal processor for VHS VCRs 1 2 3 4 5 MoreRohm
BH7273KVEqualizer and ATF circuit IC for Digital VCRs 1 2 3 4 5 MoreRohm
NTE15038Integrated Circuit Chroma Signal Proessor for VHS VCR 1 2 3 NTE Electronics
LA71525MVideo/audio signal processor for VHS VCRs 1 2 3 4 5 MoreSanyo Semicon Device
NTE15039Integrated Circuit VHS/VCR Chroma Signal Proessor for NTSC/PAL/SECAM Systems 1 2 3 NTE Electronics

Link URL

Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Bookmark   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com 2003 - 2017    


Mirror Sites
English : Alldatasheet.com  , Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp  |   Russian : Alldatasheetru.com
Korean : Alldatasheet.co.kr   |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com  |   Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl