製品概要
概要
The ST490A is a low power transceiver for RS485 and RS-422 communications. The device contains one driver and one receiver in full duplex configuration. The ST490A draws 5mA (typ.) of supply current when unloaded or fully loaded with disabled drivers. It operates from a single 5V supply.
Driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that place the driver outputs into a high-impedance state. The receiver input has a fail-safe feature that guarantees a logic high output if both inputs are open circuit.
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特徴
- Current limiting and thermal shutdown for driver overload protection
- ±4 kV ESD protection
- Low supply current: 5mA max
- 70mV typical input hysteresis
- -7V to 12V common mode input voltage range
- Operate from a single 5 V supply
- Designed for 25Mbps operation
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STMicroelectronics - ST490AB
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サンプル & 購入
| 製品型番 | 製品ステータス | Budgetary Price (US$)*/Qty | STから購入 | Order from distributors | パッケージ | 梱包タイプ | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | Autoshutdown | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最小 | 最大 | ||||||||||||||
| ST490ABDR | | | distributors 販売代理店に在庫がない場合は、STのセールス･オフィスまでお問い合わせください |
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ST490ABDR 量産中
販売代理店に在庫がない場合は、STのセールス･オフィスまでお問い合わせください
（*）概算用の参考価格（US$）です。現地通貨でのお見積りについては、STのセールス･オフィスまたは販売代理店までお問い合わせください。