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The ADM485E/ADM487E/ADM1487E are 5 V low power data transceivers with ±15 kV ESD protection suitable for halfduplex communication on multipoint bus transmission lines. They are designed for balanced data transmission and comply with TIA/EIA standards RS-485 and RS-422. The ADM487E and the ADM1487E have a 1/4 unit load receiver input impedance that allows up to 128 transceivers on a bus, while the ADM485E allow up to 32 transceivers on a bus. Since only one driver is enabled at any time, the output of a disabled or powerdown driver is three-stated to avoid overloading the bus. The driver outputs are slew rate-limited in order to reduce EMI and data errors caused by reflections from improperly terminated buses. Excessive power dissipation caused by bus contention or output shorting is prevented with a thermal shutdown circuit. The parts are fully specified over the industrial temperature ranges and are available in 8-lead SOIC packages. Applications Energy/power metering Lighting systems Industrial control Telecommunications Security systems Instrumentation
| supply_voltage_dc | 5.00 V |
| data_rate | 2.50 kbps |
| case_package_si | SOIC |
| rohs_status | Compliant |
| reach_svhc_compliance | No SVHC |
| lead_free_status | Contains Lead |
| mounting_style | Surface Mount |
| packaging | Cut Tape (CT) |
| case_package | SOIC |
| supply_current | 500 µA |
| lifecycle_status | Active |
| pin_count | 8 |
| Device Type | RS422 / RS485 Transceiver |
| IC Interface Type | RS422, RS485 |
| No. of Drivers | 1Drivers |
| No. of Receivers | 1Receivers |
| Supply Voltage Min | 4.5V |
| Supply Voltage Max | 5.5V |
| Driver Case Style | NSOIC |
| No. of Pins | 8Pins |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Packaging | Cut Tape |
| Product Range | - |
| Automotive Qualification Standard | - |
| MSL | MSL 1 - Unlimited |
| IC Generic Number | ADM1487E |
| SVHC | No SVHC (07-Jul-2017) |
| RoHS Phthalates Compliant | Yes |
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