Datasheet Linear Technology LTM2881-5 — Даташит

Производитель	Linear Technology
Серия	LTM2881-5

Полностью изолированный микромодуль RS485/RS422 + питание

Datasheets

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PDF, 594 Кб, Язык: анг., Файл закачен: 12 ноя 2017, Страниц: 24
Complete Isolated RS485/RS422 μModule Transceiver + Power

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Купить LTM2881 на РадиоЛоцман.Цены — от 496 до 7 940 ₽ 24 предложений от 20 поставщиков DGTL ISO 2.5KV RS422/RS485 32BGA. RS422, RS485 Digital Isolator 2500Vrms 2 Channel 20Mbps 30kV/µs CMTI 32-BBGA. Digital Isolators
Lixinc Electronics Весь мир	LTM2881IY-3	1 893 ₽
Maybo Весь мир	LTM2881IY-5 Analog Devices	2 714 ₽
727GS Весь мир	LTM2881IY-5 Analog Devices	по запросу
LifeElectronics Россия	LTM2881CV-3	по запросу

Многослойные керамические конденсаторы от лидеров азиатского рынка

Корпус / Упаковка / Маркировка

	LTM2881CV-5#PBF	LTM2881CY-5#PBF	LTM2881HV-5#PBF	LTM2881HY-5	LTM2881HY-5#PBF	LTM2881IV-5#PBF	LTM2881IY-5	LTM2881IY-5#PBF	LTM2881MPY-5	LTM2881MPY-5#PBF
N	1	2	3	4	5	6	7	8	9	10
Корпус	15mm × 11.25mm × 2.82mm LGA Габаритный чертеж корпуса	15mm x 11.25mm x 3.42mm BGA Габаритный чертеж корпуса	15mm × 11.25mm × 2.82mm LGA Габаритный чертеж корпуса	15mm x 11.25mm x 3.42mm BGA Габаритный чертеж корпуса	15mm x 11.25mm x 3.42mm BGA Габаритный чертеж корпуса	15mm × 11.25mm × 2.82mm LGA Габаритный чертеж корпуса	15mm x 11.25mm x 3.42mm BGA Габаритный чертеж корпуса	15mm x 11.25mm x 3.42mm BGA Габаритный чертеж корпуса	15mm x 11.25mm x 3.42mm BGA Габаритный чертеж корпуса	15mm x 11.25mm x 3.42mm BGA Габаритный чертеж корпуса
Код корпуса	LGA	BGA	LGA	BGA	BGA	LGA	BGA	BGA	BGA	BGA
Индекс корпуса	05-08-1773	05-08-1851	05-08-1773	05-08-1851	05-08-1851	05-08-1773	05-08-1851	05-08-1851	05-08-1851	05-08-1851
Количество выводов	32	32	32	32	32	32	32	32	32	32

Параметры

Parameters / Models	LTM2881CV-5#PBF	LTM2881CY-5#PBF	LTM2881HV-5#PBF	LTM2881HY-5	LTM2881HY-5#PBF	LTM2881IV-5#PBF	LTM2881IY-5	LTM2881IY-5#PBF	LTM2881MPY-5	LTM2881MPY-5#PBF
Demo Boards	DC1503A-A,DC1503A-B,DC1746A-A,DC1746A-B	DC1503A-A,DC1503A-B,DC1746A-A,DC1746A-B	DC1503A-A,DC1503A-B,DC1746A-A,DC1746A-B	DC1503A-A,DC1503A-B,DC1746A-A,DC1746A-B	DC1503A-A,DC1503A-B,DC1746A-A,DC1746A-B	DC1503A-A,DC1503A-B,DC1746A-A,DC1746A-B	DC1503A-A,DC1503A-B,DC1746A-A,DC1746A-B	DC1503A-A,DC1503A-B,DC1746A-A,DC1746A-B	DC1503A-A,DC1503A-B,DC1746A-A,DC1746A-B	DC1503A-A,DC1503A-B,DC1746A-A,DC1746A-B
Drivers	1	1	1	1	1	1	1	1	1	1
Экспортный контроль	нет	нет	нет	нет	нет	нет	нет	нет	нет	нет
Основные особенности	Adjustable Slew Rate, Isolated	Adjustable Slew Rate, Isolated	Adjustable Slew Rate, Isolated	Adjustable Slew Rate, Isolated	Adjustable Slew Rate, Isolated	Adjustable Slew Rate, Isolated	Adjustable Slew Rate, Isolated	Adjustable Slew Rate, Isolated	Adjustable Slew Rate, Isolated	Adjustable Slew Rate, Isolated
Isolation Rating, Vrms	2500	2500	2500	2500	2500	2500	2500	2500	2500	2500
Max Data Rate, Mbps	20	20	20	20	20	20	20	20	20	20
Рабочий диапазон температур, °C	от 0 до 70	от 0 до 70	от -40 до 125	от -40 до 125	от -40 до 125	от -40 до 85	от -40 до 85	от -40 до 85	от -55 до 125	от -55 до 125
Protocols Supported	RS485, RS422, PROFIBUS	RS485, RS422, PROFIBUS	RS485, RS422, PROFIBUS	RS485, RS422, PROFIBUS	RS485, RS422, PROFIBUS	RS485, RS422, PROFIBUS	RS485, RS422, PROFIBUS	RS485, RS422, PROFIBUS	RS485, RS422, PROFIBUS	RS485, RS422, PROFIBUS
Receivers	1	1	1	1	1	1	1	1	1	1
Диапазон напряжения питания	4.5V to 5.5V	4.5V to 5.5V	4.5V to 5.5V	4.5V to 5.5V	4.5V to 5.5V	4.5V to 5.5V	4.5V to 5.5V	4.5V to 5.5V	4.5V to 5.5V	4.5V to 5.5V
Termination	Included	Included	Included	Included	Included	Included	Included	Included	Included	Included

Экологический статус

	LTM2881CV-5#PBF	LTM2881CY-5#PBF	LTM2881HV-5#PBF	LTM2881HY-5	LTM2881HY-5#PBF	LTM2881IV-5#PBF	LTM2881IY-5	LTM2881IY-5#PBF	LTM2881MPY-5	LTM2881MPY-5#PBF
RoHS	Совместим	Совместим	Совместим	Не совместим	Совместим	Совместим	Не совместим	Совместим	Не совместим	Совместим

Другие варианты исполнения

LTM2881 LTM2881-3

Application Notes

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Using the LTM2881 as an Isolated 5V Power Supply &mdash AN125
PDF, 95 Кб, Файл опубликован: 5 фев 2010
The LTM2881 is an isolated RS485 transceiver that guards against large ground-to-ground differentials. An onboard DC/DC converter provides isolated 5V power to the output. This application note shows the LTM2881 configured as a dedicated isolated power supply with the RS485 transceiver disabled, providing a simple powerful general purpose isolated power supply capable of delivering 1W at 5V.
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Application Note 125
February 2010
Using the LTM2881 as an Isolated 5V Power Supply
Brian Jadus
Features: 2500VRMS Isolated 5V 1W Power With No External
Components n В® The LTM 2881 is an isolated RS485 transceiver that guards
against large ground-to-ground differentials. An onboard
DC/DC converter provides isolated 5V power to the output.
Figure 1 shows the LTM2881 conп¬Ѓgured as a dedicated
isolated power supply with the RS485 transceiver disabled,
providing a simple powerful general purpose isolated power
supply capable of delivering 1W at 5V. Figure 2 shows a
logically-controlled switched output by taking advantage of
the isolated RS485 driver to control a discrete PMOSFET.
The controlling signal DI operates relative to the VL supply, which supports voltages from 1.62V to 5.5V. In both
conп¬Ѓgurations, observation of a VCC2 fault is accomplished
by observing a high impedance condition on RO or DOUT .
When VCC2 is greater than 2.6V, RO and DOUT are driven
to the appropriate logic level based on the inputs A and
B and DIN. When VCC2 is less than 2.4V, RO and DOUT are
high impedance. n 5V (LTM2881-5) or 3.3V (LTM2881-3) Input Supply
Voltage
5V DC Output Delivers 200mA at 62% Efп¬Ѓciency with …

Статьи

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Isolated Data Transmission and Power Conversion Integrated Into a Surface Mount Package &mdash LT Journal
PDF, 1.4 Мб, Файл опубликован: 18 янв 2011
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Isolated Data Transmission and Power Conversion
Integrated Into a Surface Mount Package
Keith Bennett Galvanic isolation is used in a variety of industries, most commonly to provide safety
against potentially lethal voltages. Isolation is also used to eliminate the effects of noise
and common mode voltage differences created by ground loops, or as a level shifter
between dissimilar operating voltages. Typically, building an isolated system requires
a number of passive and active components on either side of the isolation barrier, in
addition to the barrier components themselves. These barrier components can be
optical, magnetic, capacitive, RF or even GMR (giant magnetoresistance) devices.
Barrier components are notoriously difficult to use, adding significant design
time and cost to isolated systems. With
this in mind, Linear Technology has
developed a line of ВµModuleВ® isolators that reduces the design of isolated
systems to simply plugging in a moduleвЂ”no complex barrier components
are required. In fact, ВµModule isolators
require no external components at all.
Linear Technology ВµModule isolators
use magnetically coupled techniques to
provide data and power isolation in a
single package. The result is an easy-touse, low power, robust solution with
excellent field immunity. The LTM2881
isolated RS485/RS422 transceiver and LTM2882 dual isolated RS232 transceivers use ВµModule isolator technology
to provide complete transceiver-pluspower solutions in 15mm Г— 11.25mm …

Модельный ряд

Серия: LTM2881-5 (10)

LTM2881CV-5#PBF LTM2881CY-5#PBF LTM2881HV-5#PBF LTM2881HY-5 LTM2881HY-5#PBF LTM2881IV-5#PBF LTM2881IY-5 LTM2881IY-5#PBF LTM2881MPY-5 LTM2881MPY-5#PBF

Классификация производителя

Interface > Isolated Transceivers > µModule Isolated Transceivers
Interface > RS485/RS422 Transceivers | Extended Temperature (H & MP) Interface