(Hong Kong)
Product Summary
The ADM483EARZ is a low power differential line transceiver suitable for half-duplex data communication on multipoint bus trans-mission lines. The ADM483EARZ is designed for balanced data transmission, and complies with EIA Standards RS-485 and RS-422.The part contains a differential line driver and a differential line receiver. Both share the same differential pins, with either the driver or the receiver being enabled at any given time. The ADM483EARZ has an input impedance of 12 kΩ, allowing up to 32 transceivers on one bus. Since only one driver should be enabled at any time, the output of a disabled or powered-down driver is three-stated to avoid overloading the bus. This high impedance driver output is maintained over the entire common-mode voltage range from －7 V to +12 V.
Parametrics
ADM483ARZ absolute maximum ratings: (1)VCC to GND: 6 V; (2)Digital I/O Voltage (DE, RE, DI, ROUT): －0.3 V to VCC + 0.3 V; (3)Driver Output/Receiver Input Voltage: －9 V to +14 V; (4)Operating Temperature Range: －40℃to +85℃; (5)Storage Temperature Range: －65℃to +125℃; (6)θJA Thermal Impedance (SOIC): 110°C/W.
Features
ADM483ARZ features: (1)Data rates up to 250 kbps; (2)Slew-rate limited for low EMI; (3)100 nA supply current in shutdown mode; (4)Low power consumption (120 uA); (5)Up to 32 transceivers on one bus; (6)Outputs high-z when disabled or powered off; (7)－7 V to +12 V bus common-mode range; (8)Thermal shutdown and short-circuit protection; (9)Pin-compatible with MAX483; (10)Specified over －40°C to +85°C temperature range; (11)Available in 8-lead SOIC package.
Diagrams
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 ADM483EARZ |
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IC TX/RX RS-485 LO-SLEW 5V 8SOIC |
Data Sheet |
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ADM483EARZ-REEL |
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IC TXRX RS485 LO SLEW 5V 8SOIC |
Data Sheet |
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