Electronic Components Datasheet Search
Selected language     English  ▼


LA72912V Datasheet(PDF) 8 Page - ON Semiconductor

Part No. LA72912V
Description  8-bit Withstand Voltage Microcontroller
Download  8 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
Logo 

   
 8 page
background image
LA72912V
No.A1409-8/12
Pin Description
Pin No.
Pin Name
Description
Equivalent circuit
1
Emphasis filter
Main Emphasis filter pin.
Before FM Modulation, make emphasis characteristic
at video signal.
Emphasis time constant must be matching at de-emphasis
time constant.
(If you don’t need the emphasis, this pin is open.)
2.7k
Ω
200
Ω
1k
Ω
620
Ω
1
R1
C1
2
VCC5V
VCC pin. Supply voltage is 5V DC. Please connect
de-coupling capacitor.
3
FM/Video OUT
Push-Pull output pin.
MOD mode: FM carrier output. (1.8Vp-p: Rout=200
Ω)
DEMOD mode: Video signal output. (2.0Vp-p: Rout=1k
Ω)
40
Ω
3
MOD
40
Ω
DEMOD
4
Regulator filter
Internal regulator filter pin.
Please connect 0.1
μF (C1).
10k
Ω
4
C1
23k
Ω
50k
Ω
5
FM/VD input
DEMOD mode: FM signal input.
Internal DC bias is 3.3V. Please use capacitor (C1)
coupling.
MOD mode: VD signal input. Please input VD signal
directory.
Please consider input impedance.
5
FM Sig
200
Ω
1k
Ω
C1
VD Sig
6
MOD/DEMOD Control
MOD mode / DEMOD mode setting pin.
MOD mode: Please set over 2V DC voltage. (2 to 5V).
DEMOD mode: Please set under 0.4V DC voltage. (0 to
0.4V).
6
1k
Ω
30
μA
7
TC1(MOD)/
FMAGC monitor
Control
MOD mode: TC1 filter pin. Please connect C1.
DEMOD mode: FM-AGC monitor on/off control.
GND: AGC-monitor ON
VCC: AGC-monitor OFF
7
200
Ω
1k
Ω
2k
Ω
60
μA
C1
1k
Ω
30
μA
20
μA
Continued on next page.




Html Pages

1  2  3  4  5  6  7  8 


Datasheet Download




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