- Manufacturer Part Number : ADM3493
- Manufacturer : AD
- Description : 3.3 V, ⅛ Load, Low Power, RS-485/RS-422 Transceiver (Half Duplex, 250 kbps, Slew Rate Limited, DE/RE)
- Series : ADM3493
- Reference Price : USD 0.792
- Our Price : We have a better price, contact us by email
- Product Type : RS-232 / RS-422 / RS-485 / RS-562
- Function : RS-485 & RS-422
- Current Suggest : Production
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : ADM3493
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Operates with 3.3 V Supply
- Interoperable with 5 V Logic
- EIA RS-422 and RS-485 Compliant over Full CM Range
- Data Rate: 250 kbps
- Half Duplex Transceiver
- Reduced Slew Rates for Low EMI
- 2 nA Supply Current in Shutdown Mode
- Up to 256 Transceivers on a Bus
- −7 V to +12 V Bus Common-mode Range
- Specified over −40°C to +85°C Temperature Range
- 8 ns Skew
- Available in 8-lead SOIC
The device contains one driver and one receiver. Designed for half-duplex communication, the ADM3493 features a slew rate limited driver that minimizes EMI and reduces reflections caused by improperly terminated cables, allowing error-free data transmission at data rates up to 250 kbps.
The receiver input impedance is 96 kΩ, allowing up to 256 transceivers to be connected on the bus. A thermal shutdown circuit prevents excessive power dissipation caused by bus contention or by output shorting. If a significant temperature increase is detected in the internal driver circuitry during fault conditions then the thermal shutdown circuit forces the driver output into a high impedance state. The receiver contains a fail-safe feature that results in a logic high output state, if the inputs are unconnected (floating).
The ADM3493 is fully specified over the commercial and industrial temperature ranges and is available in an 8-lead SOIC.
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.