Datasheet Linear Technology LTC2861

Manufacturer	Linear Technology
Series	LTC2861

20Mbps RS485 Transceivers with Integrated Switchable Termination

Datasheets

PDF, 347 Kb, Revision: C, File uploaded: Nov 12, 2017

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Packaging

	LTC2861CDE#PBF	LTC2861CDE#TRPBF	LTC2861CGN#PBF	LTC2861CGN#TRPBF	LTC2861IDE#PBF	LTC2861IDE#TRPBF	LTC2861IGN#PBF	LTC2861IGN#TRPBF
N	1	2	3	4	5	6	7	8
Package	4x3 DFN-12 Package Outline Drawing	4x3 DFN-12 Package Outline Drawing	SSOP-16 Package Outline Drawing	SSOP-16 Package Outline Drawing	4x3 DFN-12 Package Outline Drawing	4x3 DFN-12 Package Outline Drawing	SSOP-16 Package Outline Drawing	SSOP-16 Package Outline Drawing
Package Code	DE/UE	DE/UE	GN	GN	DE/UE	DE/UE	GN	GN
Package Index	05-08-1695	05-08-1695	05-08-1641 (GN16)	05-08-1641 (GN16)	05-08-1695	05-08-1695	05-08-1641 (GN16)	05-08-1641 (GN16)
Pin Count	12	12	16	16	12	12	16	16

Parametrics

Parameters / Models	LTC2861CDE#PBF	LTC2861CDE#TRPBF	LTC2861CGN#PBF	LTC2861CGN#TRPBF	LTC2861IDE#PBF	LTC2861IDE#TRPBF	LTC2861IGN#PBF	LTC2861IGN#TRPBF
Configuration	Full-Duplex	Full-Duplex	Full-Duplex	Full-Duplex	Full-Duplex	Full-Duplex	Full-Duplex	Full-Duplex
Drivers	1	1	1	1	1	1	1	1
ESD, kV	15	15	15	15	15	15	15	15
Export Control	no	no	no	no	no	no	no	no
Failsafe	Idle, Open, Short	Idle, Open, Short	Idle, Open, Short	Idle, Open, Short	Idle, Open, Short	Idle, Open, Short	Idle, Open, Short	Idle, Open, Short
Fault Protection	VCC-15, +15	VCC-15, +15	VCC-15, +15	VCC-15, +15	VCC-15, +15	VCC-15, +15	VCC-15, +15	VCC-15, +15
Features	Integrated Switchable Termination, Slew Rate Adjustable	Integrated Switchable Termination, Slew Rate Adjustable	Integrated Switchable Termination, Slew Rate Adjustable	Integrated Switchable Termination, Slew Rate Adjustable	Integrated Switchable Termination, Slew Rate Adjustable	Integrated Switchable Termination, Slew Rate Adjustable	Integrated Switchable Termination, Slew Rate Adjustable	Integrated Switchable Termination, Slew Rate Adjustable
Isupply, mA	0.66	0.66	0.66	0.66	0.66	0.66	0.66	0.66
Max Data Rate, Mbps	20	20	20	20	20	20	20	20
Operating Temperature Range, °C	0 to 70	0 to 70	0 to 70	0 to 70	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Protocols Supported	TIA/EIA-485, -422	TIA/EIA-485, -422	TIA/EIA-485, -422	TIA/EIA-485, -422	TIA/EIA-485, -422	TIA/EIA-485, -422	TIA/EIA-485, -422	TIA/EIA-485, -422
Receivers	1	1	1	1	1	1	1	1
Shutdown	yes	yes	yes	yes	yes	yes	yes	yes
Supply Voltage Range	5	5	5	5	5	5	5	5
Termination Type	Included	Included	Included	Included	Included	Included	Included	Included

Eco Plan

	LTC2861CDE#PBF	LTC2861CDE#TRPBF	LTC2861CGN#PBF	LTC2861CGN#TRPBF	LTC2861IDE#PBF	LTC2861IDE#TRPBF	LTC2861IGN#PBF	LTC2861IGN#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant

Other Options

Articles

Download
High Speed Low Power RS485 Transceivers with Integrated Switchable Termination &mdash LT Journal
PDF, 1.1 Mb, File published: Nov 21, 2006
Extract from the document
DESIGN FEATURES L High Speed Low Power RS485
Transceivers with Integrated
Switchable Termination
by Ray Schuler and Steven Tanghe Introduction
The LTC2859 and LTC2861 combine
a logic-selectable integrated termination resistor with a rugged 20Mbps
RS485/RS422 transceiver, providing a single die impedance-matched
network solution in a tiny package.
The low power driver features logicselectable reduced-slew rate mode for
operation below 250kbps with low EMI
emissions. The 1/8-unit load receiver
provides a failsafe output over the full
RS485 common mode range for up to
256 nodes. Both receiver inputs and
driver outputs feature robust ESD
protection exceeding В±15kV. The half
duplex LTC2859 is available in a 3mm
Г— 3mm DFN, while the full duplex
LTC2861 is available in both 4mm Г—
3mm DFN and 16-pin SSOP packages
(see photo in Figure 1). Block diagrams
for the LTC2859 and LTC2861 are
shown in Figure 2. Figure 1. Photograph of the LTC2861 SSOP, …

Model Line

Series: LTC2861 (8)

LTC2861CDE#PBF LTC2861CDE#TRPBF LTC2861CGN#PBF LTC2861CGN#TRPBF LTC2861IDE#PBF LTC2861IDE#TRPBF LTC2861IGN#PBF LTC2861IGN#TRPBF

Manufacturer's Classification

Interface > RS485/RS422 Transceivers

Slices

Microcontrollers