Datasheets
LTM2881IV-3#PBF by:

LTM2881 - Complete Isolated RS485/RS422 µModule Transceiver + Power; Package: LGA; Pins: 32; Temperature Range: -40°C to 85°C

Part Details for LTM2881IV-3#PBF by Linear Technology

Results Overview of LTM2881IV-3#PBF by Linear Technology

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Applications Education and Research Internet of Things (IoT) Computing and Data Storage Aerospace and Defense Energy and Power Systems Healthcare Transportation and Logistics Renewable Energy Telecommunications Automotive

LTM2881IV-3#PBF Information

LTM2881IV-3#PBF by Linear Technology is a Line Driver or Receiver.
Line Driver or Receivers are under the broader part category of Drivers And Interfaces.

A driver controls the current or voltage delivered to components like LCDs or motors, while an interface component connects systems for data transfer and control. Read more about Drivers And Interfaces on our Drivers And Interfaces part category page.

Part Details for LTM2881IV-3#PBF

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LTM2881IV-3#PBF Part Data Attributes

LTM2881IV-3#PBF Linear Technology
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LTM2881IV-3#PBF Linear Technology LTM2881 - Complete Isolated RS485/RS422 µModule Transceiver + Power; Package: LGA; Pins: 32; Temperature Range: -40°C to 85°C
Rohs Code Yes
Part Life Cycle Code Transferred
Ihs Manufacturer LINEAR TECHNOLOGY CORP
Part Package Code LGA
Package Description 15 X 11.25 MM, 2.80 MM HEIGHT, LEAD FREE, MO-222, LGA-32
Pin Count 32
Manufacturer Package Code LGA
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Differential Output YES
Driver Number of Bits 1
Input Characteristics DIFFERENTIAL SCHMITT TRIGGER
Interface IC Type LINE TRANSCEIVER
Interface Standard EIA-485-A; TIA-485-A; EIA-422
JESD-30 Code R-PBGA-N32
JESD-609 Code e4
Length 15 mm
Moisture Sensitivity Level 3
Number of Functions 1
Number of Terminals 32
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Out Swing-Min 1.5 V
Output Low Current-Max 0.004 A
Package Body Material PLASTIC/EPOXY
Package Code LGA
Package Equivalence Code LGA32,8X11,50
Package Shape RECTANGULAR
Package Style GRID ARRAY
Peak Reflow Temperature (Cel) 245
Qualification Status Not Qualified
Receive Delay-Max 140 ns
Receiver Number of Bits 1
Seated Height-Max 2.95 mm
Supply Current-Max 25 mA
Supply Voltage-Max 5.5 V
Supply Voltage-Min 1.62 V
Supply Voltage-Nom 3.3 V
Supply Voltage1-Max 3.6 V
Supply Voltage1-Min 3 V
Supply Voltage1-Nom 3.3 V
Surface Mount YES
Temperature Grade INDUSTRIAL
Terminal Finish Gold (Au)
Terminal Form NO LEAD
Terminal Pitch 1.27 mm
Terminal Position BOTTOM
Time@Peak Reflow Temperature-Max (s) 30
Transmit Delay-Max 85 ns
Width 11.25 mm

Alternate Parts for LTM2881IV-3#PBF

This table gives cross-reference parts and alternative options found for LTM2881IV-3#PBF. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LTM2881IV-3#PBF, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
LTM2881CV-3#PBF Analog Devices Inc $13.0470 Complete Isolated RS485/RS422 µModule Transceiver + Power LTM2881IV-3#PBF vs LTM2881CV-3#PBF
LTM2881IV-3#PBF Analog Devices Inc $19.4799 Complete Isolated RS485/RS422 µModule Transceiver + Power LTM2881IV-3#PBF vs LTM2881IV-3#PBF
LTM2881CV-3#PBF Linear Technology Check for Price LTM2881 - Complete Isolated RS485/RS422 µModule Transceiver + Power; Package: LGA; Pins: 32; Temperature Range: 0°C to 70°C LTM2881IV-3#PBF vs LTM2881CV-3#PBF

LTM2881IV-3#PBF Related Parts

LTM2881IV-3#PBF Frequently Asked Questions (FAQ)

  • A good PCB layout for the LTM2881IV-3 involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the traces between the IC and the input/output connectors. A 4-layer PCB with a dedicated ground plane is recommended.

  • To ensure proper power and decoupling, use a high-quality, low-ESR capacitor (e.g., 10uF ceramic) between the VIN pin and GND, and a 0.1uF ceramic capacitor between the VCC pin and GND. Additionally, use a 1uF capacitor between the VCC pin and the analog ground (AGND) for analog power supply decoupling.

  • The LTM2881IV-3 supports data rates up to 100Mbps, making it suitable for high-speed applications such as industrial automation, medical devices, and test equipment.

  • To configure the LTM2881IV-3 for isolated RS-485 communication, connect the transmitter output (TX+ and TX-) to the isolated side of the transceiver, and the receiver input (RX+ and RX-) to the isolated side of the transceiver. Ensure that the GND pin is connected to the system ground, and the AGND pin is connected to the analog ground.

  • The LTM2881IV-3 has a maximum isolation voltage rating of 2500Vrms, making it suitable for applications that require high isolation voltage.

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