LTC2854CDD#PBF
Active3.3V 20MBPS RS485/RS422 TRANSCEIVER WITH INTEGRATED SWITCHABLE TERMINATION
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LTC2854CDD#PBF
Active3.3V 20MBPS RS485/RS422 TRANSCEIVER WITH INTEGRATED SWITCHABLE TERMINATION
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Technical Specifications
Parameters and characteristics for this part
| Specification | LTC2854CDD#PBF |
|---|---|
| Data Rate | 20 Mbps |
| Duplex | Half |
| Mounting Type | Surface Mount |
| Operating Temperature [Max] | 70 °C |
| Operating Temperature [Min] | 0 °C |
| Package / Case | 10-WFDFN Exposed Pad |
| Protocol | RS422, RS485 |
| Receiver Hysteresis | 25 mV |
| Supplier Device Package | 10-DFN (3x3) |
| Type | Transceiver |
| Voltage - Supply [Max] | 3.6 V |
| Voltage - Supply [Min] | 3 V |
LTC2854 Series
3.3V 20Mbps RS485/RS422 Transceiver with Integrated Switchable Termination
| Part | Supplier Device Package | Receiver Hysteresis | Type | Data Rate | Package / Case | Duplex | Operating Temperature [Max] | Operating Temperature [Min] | Protocol | Voltage - Supply [Max] | Voltage - Supply [Min] | Mounting Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Analog Devices | 10-DFN (3x3) | 25 mV | Transceiver | 20 Mbps | 10-WFDFN Exposed Pad | Half | 70 °C | 0 °C | RS422 RS485 | 3.6 V | 3 V | Surface Mount |
Analog Devices | 10-DFN (3x3) | 25 mV | Transceiver | 20 Mbps | 10-WFDFN Exposed Pad | Half | 85 °C | -40 °C | RS422 RS485 | 3.6 V | 3 V | Surface Mount |
Analog Devices | 10-DFN (3x3) | 25 mV | Transceiver | 20 Mbps | 10-WFDFN Exposed Pad | Half | 70 °C | 0 °C | RS422 RS485 | 3.6 V | 3 V | Surface Mount |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tube | 1 | $ 6.34 | |
| 10 | $ 4.28 | |||
| 25 | $ 3.75 | |||
| 100 | $ 3.16 | |||
| 250 | $ 2.87 | |||
| 500 | $ 2.69 | |||
| 1000 | $ 2.54 | |||
| 2500 | $ 2.39 | |||
Description
General part information
LTC2854 Series
The LTC2854 and LTC2855 are low power, 20Mbps RS485/RS422 transceivers operating on 3.3V supplies. The receiver includes a logic-selectable 120Ω termination, 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 a thermal shutdown.Enhanced ESD protection allows the LTC2854 to withstand ±25kV (human body model) and the LTC2855 to withstand ±15kV on the transceiver interface pins without latchup or damage.Part NumberDuplexPackageLTC2854HalfDFN-10LTC2855FullSSOP-16, DFN-12ApplicationsLow Power RS485/RS422 TransceiverLevel TranslatorBackplane Transceiver
Documents
Technical documentation and resources