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Analog Devices LTM2885 | Demoboard DC1794A

Isolated RS485/RS422 μModule Transceiver + Power

Overview

TopologyBoost Converter
Input voltage4.5-5.5 V
Output 15 V
IC revisionA

Description

Demonstration circuit 1794A is an isolated RS485/RS422μModule® transceiver + power featuring the LTM®2885. Thedemo circuit is a 6500VRMS galvanically isolated RS485/RS422 transceiver interface. The demo circuit featuresan EMI optimized circuit configuration and printed circuitboard layout. The demo circuit operates from a singleexternal supply on VCC. The part generates the output voltage VCC2 and communicates all necessary signalingacross the isolation barrier using LTC’s isolator μModuletechnology.

Products

Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
Pins
PCB/Cable/Panel
Modularity
Type
Wire Section
Mount
L(mm)
H(mm)
Working Voltage(V (AC))
Operating Temperature
Color
Gender
Packaging
Winding Style
L(µH)
Z @ 100 MHz(Ω)
IR(A)
RDC max.(Ω)
VR(V)
VT(V (DC))
Samples
WR-PHD Jumper, 1, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Jumper
Pins
Length2.44 mm
Working Voltage250 V (AC)
Operating Temperature -40 °C up to +125 °C
ColorBlack 
GenderJumper 
PackagingBag 
Rated Current3 A
WR-PHD Jumper, 2, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Jumper
Pins
Length5.08 mm
Working Voltage250 V (AC)
Operating Temperature -40 °C up to +125 °C
ColorBlack 
GenderJumper 
PackagingBag 
Rated Current3 A
WR-TBL Series 2141 - 3.50 mm Horiz. Entry Modular, 2, PCB
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Pins
PCB/Cable/PanelPCB 
ModularityYes 
TypeHorizontal 
Wire Section 24 to 16 (AWG) 0.2 to 1 (mm²)
MountTHT 
Length7.05 mm
Working Voltage300 V (AC)
Operating Temperature -40 °C up to +105 °C
PackagingBox 
Rated Current10 A
WR-PHD Pin Header - Single, 3, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Pins
TypeStraight 
MountTHT 
Length7.62 mm
Working Voltage250 V (AC)
Operating Temperature -40 °C up to +105 °C
GenderPin Header 
PackagingBag 
Rated Current3 A
WE-CNSW SMT Common Mode Line Filter, 4, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Pins
MountSMT 
Length3.2 mm
Height1.8 mm
Operating Temperature -40 °C up to +125 °C
Winding Stylebifilar 
Inductance2.578 µH
Impedance @ 100 MHz2200 Ω
Rated Current0.2 A
DC Resistance1.2 Ω
Rated Voltage50 V
Insulation Test Voltage125 V (DC)
WR-PHD Pin Header - Dual, 6, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Pins
TypeStraight 
MountTHT 
Length7.62 mm
Working Voltage250 V (AC)
Operating Temperature -40 °C up to +105 °C
GenderPin Header 
PackagingBag 
Rated Current3 A