概要
説明
The ISL54222A is a single-supply, dual 2:1 multiplexer that operates on a supply voltage ranging from 1.8V to 3.3V. It features two Single Pole/Double Throw (SPDT) switches configured as a Double Pole/Double Throw (DPDT) switch. This device is designed for switching or routing USB high-speed and full-speed signals in portable, battery-powered products.
The 4.4Ω switches support rail-to-rail operation and are specifically optimized to pass USB full-speed data signals (0V to 3.3V) and USB high-speed data signals (0V to 400mV) with a single supply as low as 1.8V. With high bandwidth and low capacitance, the switches ensure minimal distortion when transmitting USB high-speed data signals.
The digital logic inputs are compatible with 1.8V logic levels when the device is powered by a 1.8V to 3.3V supply. Additionally, the ISL54222A includes an output enable pin that can disable all switches, placing the device in a low-power state.
The ISL54222A is available in four package options: 10 Ld 1.8mm x 1.4mm µTQFN, 10 Ld 2.1mm x 1.6mm µTQFN, 10 Ld TDFN, and 10 Ld MSOP. It operates over a temperature range of -40°C to +85°C.
特長
- High-speed (480Mbps) and full-speed (12Mbps) signaling capability per USB 2.0
- 1.8V logic compatible
- Low power all off state
- Power OFF protection
- D-/D+ pins overvoltage tolerant to 5.5V
- -3dB frequency: 780MHz
- Low ON capacitance @ 240MHz: 4.2pF
- Low ON-resistance @ VDD = 3V: 4.4Ω
- Low ON-resistance @ VDD = 1.8V: 5.7Ω
- Single supply operation (VDD): 1.8V to 3.3V
- Available in µTQFN, TDFN, MSOP packages
- Pb-free (RoHS compliant)
- Compliant with USB 2.0 short circuit and overvoltage requirements without additional external components
- HBM ESD performance I/O to GND: >12kV
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| 分類 | タイトル | 日時 |
| データシート | PDF 1.33 MB | |
| 製品アドバイザリ | PDF 414 KB | |
| その他資料 | PDF 293 KB | |
| 製品アドバイザリ | PDF 363 KB | |
| 製品変更通知 | PDF 117 KB | |
| 製品変更通知 | PDF 205 KB | |
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設計・開発
ボード＆キット
Evaluation
High-Speed USB 2.0 (480Mbps) Multiplexer Evaluation Board
The ISL54222AIRUEVAL1Z evaluation board is designed to provide a quick and easy method for evaluating the ISL54222A high-speed USB 2.0 multiplexer.
The evaluation board contains USB connectors to allow the user to easily interface with the IC to evaluate its functions, features, and performance....
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