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參數(shù)資料
| 型號： | AD725ARZ-R7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 15/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ENCODER RGB TO NTSC 16-SOIC |
| 標準包裝： | 400 |
| 類型： | 視頻編碼器 |
| 應用： | RGB 至 NTSC/PAL |
| 電壓 - 電源，數(shù)字： | 4.75 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 16-SOIC W |
| 包裝： | 帶卷 (TR) |
REV. 0
–4–
AD725
PIN DESCRIPTIONS
Pin
Mnemonic
Description
Equivalent Circuit
1
STND
Encoding Standard Pin. A Logic HIGH input selects NTSC encoding.
Circuit A
A Logic LOW input selects PAL encoding.
TTL Logic Levels.
2
AGND
Analog Ground Connection.
3
4FSC
4FSC Clock Input.
Circuit A
For NTSC: 14.318 180 MHz.
For PAL: 17.734 475 MHz.
TTL Logic Levels.
4
APOS
Analog Positive Supply (+5 V
± 5%).
5
CE
Chip Enable. A Logic HIGH input enables the encode function.
Circuit A
A Logic LOW input powers down chip when not in use.
TTL Logic Levels.
6
RIN
Red Component Video Input.
Circuit B
0 mV to 714 mV AC-Coupled.
7
GIN
Green Component Video Input.
Circuit B
0 mV to 714 mV AC-Coupled.
8
BIN
Blue Component Video Input.
Circuit B
0 mV to 714 mV AC-Coupled.
9
CRMA
Chrominance Output.*
Circuit C
Approximately 1.8 V peak-to-peak for both NTSC and PAL.
10
COMP
Composite Video Output.*
Circuit C
Approximately 2.5 V peak-to-peak for both NTSC and PAL.
11
LUMA
Luminance plus CSYNC Output.*
Circuit C
Approximately 2 V peak-to-peak for both NTSC and PAL.
12
YTRAP
Luminance Trap Filter Tap. Attach L-C resonant network to reduce cross-color artifacts.
Circuit D
13
DGND
Digital Ground Connection.
14
DPOS
Digital Positive Supply (+5 V
± 5%).
15
VSYNC
Vertical Sync Signal (if using external CSYNC set at > +2 V). TTL Logic Levels.
Circuit A
16
HSYNC
Horizontal Sync Signal (or CSYNC signal). TTL Logic Levels.
Circuit A
*The Luminance, Chrominance and Composite Outputs are at twice normal levels for driving 75
reverse-terminated lines.
7
VCLAMP
6
8
DPOS
DGND
3
1
5
15
16
DPOS
DGND
10
9
11
APOS
AGND
DGND
DPOS
APOS
AGND
DGND
DPOS
12
1k
Circuit A
Circuit B
Circuit C
Circuit D
Figure 1. Equivalent Circuits
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD725ARZ-RL | 功能描述:IC ENCODER RGB TO NTSC 16-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應商設備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| AD725ATQ | 制造商:Analog Devices 功能描述: |
| AD725EB | 制造商:Analog Devices 功能描述: |
| AD725-EB | 制造商:Analog Devices 功能描述:LOW COST RGB TO NTSC/PAL ENCODER W/ LUMA TRAP PORT - Bulk |
| AD725-EBZ | 制造商:Analog Devices 功能描述:EVALUATION BOARDS - Bulk |
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