Electronic Components Datasheet Search
Selected language     English  ▼
Part Name
         Description


AD722 Datasheet(PDF) 4 Page - Analog Devices

Part No. AD722
Description  RGB to NTSC/PAL Encoder
Download  12 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo 

 
 4 page
background image
REV. 0
–4–
AD722
PIN DESCRIPTIONS
Pin
Mnemonic
Description
Equivalent Circuit
1
STND
A Logical HIGH input selects NTSC encoding.
Circuit A
A Logical LOW input selects PAL encoding.
CMOS Logic Levels.
2
AGND
Analog Ground Connection.
3
FIN
FSC clock or parallel-resonant crystal, or 4FSC clock input.
Circuit B
For NTSC: 3.579 545 MHz or 14.318 180 MHz.
For PAL: 4.433 619 MHz or 17.734 480 MHz.
CMOS Logic Levels for subcarrier clocks.
4
APOS
Analog Positive Supply (+5 V
± 5%).
5
ENCD
A Logical HIGH input enables the encode function.
Circuit A
A Logical LOW input powers down chip when not in use.
CMOS Logic Levels.
6
RIN
Red Component Video Input.
Circuit C
0 to 714 mV for NTSC; 0 to 700 mV for PAL.
7
GIN
Green Component Video Input.
Circuit C
0 to 714 mV for NTSC.
0 to 700 mV for PAL.
8
BIN
Blue Component Video Input.
Circuit C
0 to 714 mV for NTSC.
0 to 700 mV for PAL.
9
CRMA
Chrominance Output (Subcarrier Only).*
Circuit D
Approximately 1.8 V peak-to-peak for both NTSC and PAL.
10
COMP
Composite Video Output.*
Circuit D
Approximately 2.5 V peak-to-peak for both NTSC and PAL.
11
LUMA
Luminance plus SYNC Output.*
Circuit D
Approximately 2 V peak-to-peak for both NTSC and PAL.
12
SELECT
A Logical LOW input selects the FSC operating mode.
Circuit A
A Logical HIGH input selects the 4FSC operating mode.
CMOS Logic Levels.
13
DGND
Digital Ground Connections.
14
DPOS
Digital Positive Supply (+5 V
± 5%) .
15
VSYNC
Vertical Sync Signal (if using external CSYNC set at +5 V).
Circuit A
16
HSYNC
Horizontal Sync Signal (or CSYNC signal).
Circuit A
*The Luminance, Chrominance, and Composite Outputs are at twice normal levels for driving 75
Ω reverse-terminated lines.
Equivalent Circuits
5
1
12
15
16
DPOS
3
VBIAS
APOS
10
9
11
APOS
7
VCLAMP
6
8
APOS
4pF
TYP
Circuit B
Circuit D
Circuit C
Circuit A




Html Pages

1  2  3  4  5  6  7  8  9  10  11  12 


Datasheet Download



Related Electronics Part Number

Part NumberComponents DescriptionHtml ViewManufacturer
KA2195DRGB ENCODER FOR NTSC 1 2 3 4 5 MoreSamsung semiconductor
KA2197DRGB ENCODER FOR NTSC 1 2 3 4 5 Samsung semiconductor
AD724RGB to NTSC/PAL Encoder 1 2 3 4 5 MoreAnalog Devices
AD725Low Cost RGB to NTSC/PAL Encoder with Luma Trap Port 1 2 3 4 5 MoreAnalog Devices
LC78010EVideo CD and CD-G Digital RGB Encoder LSI 1 2 3 4 5 MoreSanyo Semicon Device
MM1268RGB Encoder 1 2 3 4 5 MoreMitsumi Electronics, Corp.
LC78011EDigital RGB Encoder IC for Video CD and CD-G 1 2 3 4 5 MoreSanyo Semicon Device
CXA1645PRGB Encoder 1 2 3 4 5 MoreSony Corporation
MB3516ARGB Encoder 1 2 3 4 5 MoreFujitsu Component Limited.
CXA1145PRGB Encoder 1 2 3 4 5 MoreSony Corporation

Link URL

Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Bookmark   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


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