參數資料
| 型號： | ADM483JRZ |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 4/16頁 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS-485/422 5V LP 8SOIC |
| 標準包裝： | 98 |
| 類型： | 收發(fā)器 |
| 驅動器/接收器數： | 1/1 |
| 規(guī)程： | RS422，RS485 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SO |
| 包裝： | 管件 |
ADM483
Rev. 0 | Page 12 of 16
THERMAL SHUTDOWN
The ADM483 contains thermal shutdown circuitry that
protects the part from excessive power dissipation during
fault conditions. Shorting the driver outputs to a low
impedance source can result in high driver currents. The
thermal sensing circuitry detects the increase in die temp-
erature and disables the driver outputs. The thermal sensing
circuitry is designed to disable the driver outputs when a die
temperature of 150°C is reached. As the device cools, the
drivers are re-enabled at 140°C.
RECEIVER OPEN-CIRCUIT FAIL-SAFE
The receiver input includes a fail-safe feature that guarantees
a logic high on the receiver when the inputs are open circuit
or floating.
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