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概要
Description
The RSLIC-VoIP family of Ringing Subscriber Line Interface Circuits (RSLIC) supports analog Plain Old Telephone Service (POTS) in short and medium loop length, wireless and wireline applications. Ideally suited for remote subscriber units, this family of products offers flexibility to designers with high ringing voltage and low power consumption system requirements. The RSLIC-VoIP family operates to 100V which translates directly to the amount of ringing voltage supplied to the end subscriber. With the high operating voltage, subscriber loop lengths can be extended to 500Ω (i.e., 5,000 feet) and beyond. Other key features across the product family include low power consumption, ringing using sinusoidal or trapezoidal waveforms, robust auto-detection mechanisms for when subscribers go on or off-hook, and minimal external discrete application components. Integrated test access features are also offered on selected products to support loopback testing as well as line measurement tests. There are five product offerings of the HC55185 with each version providing voltage grades of high battery voltage and longitudinal balance. The voltage feed amplifier design uses low fixed loop gains to achieve high analog performance with low susceptibility to system-induced noise.
特長
- Onboard ringing generation
- Compatible with existing HC5518x devices
- Low standby power consumption (75V, 65mW)
- Reduced idle channel noise
- Programmable transient current limit
- Improved off-hook software interface
- Integrated MTU DC characteristics
- Low external component count
- Silent polarity reversal
- Pulse metering and on-hook transmission
- Tip open ground start operation
- Balanced and unbalanced ringing
- Thermal shutdown with alarm indicator
- 28 Ld surface mount packaging
- Reduced footprint micro leadframe packaging
- Dielectric isolated (DI) high voltage design
- QFN package:
- Compliant to JEDEC PUB95 MO-220 QFN - Quad flat no leads - Product outline
- Near chip scale package footprint; Improves PCB efficiency and has a thinner profile
- Pb-free plus anneal available (RoHS compliant)
アプリケーション
アプリケーション
- Voice over Internet Protocol (VoIP)
- Cable modems
- Voice over DSL (VoDSL)
- Short loop access platforms
- Remote subscriber units
- Terminal adapters
ドキュメント
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PDF1007 KB
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データシート
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PDF484 KB
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アプリケーションノート
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PDF1.24 MB
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アプリケーションノート
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PDF1.07 MB
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アプリケーションノート
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PDF511 KB
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アプリケーションノート
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PDF470 KB
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アプリケーションノート
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PDF1.90 MB
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アプリケーションノート
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PDF569 KB
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アプリケーションノート
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PDF367 KB
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アプリケーションノート
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PDF1.17 MB
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EOL通知
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PDF388 KB
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EOL通知
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PDF1.22 MB
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マニュアル－開発ツール
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PDF201 KB
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その他資料
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PDF363 KB
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Product Advisory
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PDF223 KB
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製品変更通知
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PDF86 KB
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製品変更通知
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設計・開発
ソフトウェア／ツール
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モデル
ECADモデル
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製品選択
Processing table
型名 |
Pkg. Type |
Carrier Type |
MOQ |
ご購入 / サンプル |
|---|---|---|---|---|
| Tube | 222 | サンプルを入手, | ||
| Reel | 750 |
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