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See Technical Specifications

LTC2854IDD#PBF

3.3V 20Mbps RS485/RS422 Transceiver with Integrated Switchable Termination

Manufacturer:

LT
Mfr.Part #:

LTC2854IDD#PBF
Datasheet:

LTC2854IDD#PBF Datasheet (PDF)
Series:

LTC2854
Mounting Style:

SMD/SMT
Function:

Transceiver
Number of Drivers:

1 Driver
EDA/CAD Models:

Request Free CAD Models for LTC2854IDD#PBF

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LTC2854IDD#PBF General Description

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.

Key Features

Integrated, Logic-Selectable 120Ω Termination Resistor
3.3V Supply Voltage
20Mbps Maximum Data Rate
No Damage or Latchup Up to ±25kV HBM
High Input Impedance Supports 256 Nodes (C-, I‑Grade)
Operation Up to 125°C (H-Grade)
Guaranteed Fail-safe Receiver Operation Over the Entire Common Mode Range
Current Limited Drivers and Thermal Shutdown
Delayed Micropower Shutdown: 5μA Maximum (C-, I-Grade)
Power Up/Down Glitch-Free Driver Outputs
Low Operating Current: 370μA Typical in Receive Mode
Compatible with TIA/EIA-485-A Specifications
Available in 10-Pin 3mm × 3mm DFN, 12-Pin 4mm × 3mm DFN and 16-Pin SSOP Packages

Application

Low Power RS485/RS422 Transceiver
Level Translator
Backplane Transceiver

Specifications

Product Category	RS-422/RS-485 Interface IC	Series	LTC2854
Mounting Style	SMD/SMT	Function	Transceiver
Number of Drivers	1 Driver	Number of Receivers	1 Receiver
Data Rate	20 Mb/s	Supply Voltage - Max	3.6 V
Supply Voltage - Min	3 V	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C	Duplex	Half Duplex
Input Voltage	3.3 V	Operating Supply Current	450 uA
Operating Supply Voltage	3.3 V	Product	RS-422/RS-485 Transceivers
Product Type	RS-422/RS-485 Interface IC	Protocol Supported	RS-422, RS-485
Shutdown	Shutdown	Factory Pack Quantity	121
Subcategory	Interface ICs	Type	Low Power
Unit Weight	0.001764 oz