Datasheet for LTC2857IDD-2#PBF:
- Manufacturer Part Number : LTC2857IDD-2#PBF
- Manufacturer : AD
- Description : 20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceiver IC
- Series : LTC2857
- Reference Price : USD 1.488
- 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 : ROHS Compliant (Lead Free)
- Package Type : 8-Lead DFN (3mm x 3mm x 0.75mm w/ EP)
- Pins : 8
- MFG Package Case : 05-08-1698
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 121
- Working Temperature : -40 to 85C
- Other Part Number : LTC2857IDD-2#PBF
- 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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The LTC2856-1, LTC2856-2, LTC2857-1, LTC2857-2, LTC2858-1 and LTC2858-2 are low power, RS485/RS422 transceivers operating on 5V supplies at maximum data rates of 20Mbps or 250kbps for low EMI. The receiver has a one-eighth unit load, supporting up to 256 nodes per bus (C, I-Grade), and a fail-safe feature that guarantees a high output state under conditions of floating or shorted inputs.
The driver maintains a high output impedance over the entire common mode range when disabled or when the supply is removed. Excessive power dissipation caused by bus contention or a fault is prevented by current limiting all outputs and by thermal shutdown.
Enhanced ESD protection allows these parts to withstand ±15kV (human body model) on the transceiver interface pins without latch-up or damage.
| Part Number | MAX Data Rate (Mbps) | Duplex | Package |
| LTC2856-1 | 20 | Half | MSOP-8, DFN-8 |
| LTC2856-2 | 0.25 | Half | MSOP-8, DFN-8 |
| LTC2857-1 | 20 | Full | MSOP-8, DFN-8 |
| LTC2857-2 | 0.25 | Full | MSOP-8, DFN-8 |
| LTC2858-1 | 20 | Full | MSOP-10, DFN-10 |
| LTC2858-2 | 0.25 | Full | MSOP-10, DFN-10 |
Applications
- Low Power RS485/RS422 Transceiver
- Level Translator
- Backplane Transceiver
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.
