Datasheet LTM2889 (Analog Devices)
| Manufacturer | Analog Devices |
| Description | Isolated CAN FD µModule Transceiver and Power |
| Pages / Page | 30 / 1 — FEATURES. DESCRIPTION. Isolated 4Mbps CAN FD Transceiver. 2500VRMS for 1 … |
| File Format / Size | PDF / 1.0 Mb |
| Document Language | English |
FEATURES. DESCRIPTION. Isolated 4Mbps CAN FD Transceiver. 2500VRMS for 1 Minute Per UL1577
Model Line for this Datasheet
Text Version of Document
LTM2889 Isolated CAN FD µModule Transceiver and Power
FEATURES DESCRIPTION
n
Isolated 4Mbps CAN FD Transceiver
The LTM®2889 is a complete galvanically-isolated Con- n
2500VRMS for 1 Minute Per UL1577
troller Area Network (CAN) µModule® (micromodule) n
Isolated DC Power: 5V (Adjustable to 3.3V)
transceiver. No external components are required – a n
Up to 150mA Available Isolated Power Output
single supply powers both sides of the interface through an n
3.3V or 5V Input Supply Voltage Options
integrated, isolated DC/DC converter. Separate versions are n
UL-CSA Recognized File #E151738
available for 3.3V and 5V power supplies. The dual voltage n
No External Components Required
CAN transceiver and the adjustable regulator allow 3.3V n
High Bus Fault Voltage Tolerance: ±60V
or 5V isolated power with either the 3.3V or 5V version. n
Low Power OFF Mode: <1µA Typical
Coupled inductors and an isolation power transformer n
High Common Mode Transient Immunity: 30kV/µs
provide 2500VRMS of isolation between the line transceiver n Variable Slew Rate Driver with Active Symmetry and the logic interface. This device is ideal for systems Control and SPLIT Pin for Low EME where the ground loop is broken, allowing for large common n Fully ISO 11898-2 and CAN FD Compliant mode voltage ranges. Communication remains uninter- n Ideal Passive Behavior to CAN Bus with Supply Off rupted for common mode transients greater than 30kV/μs. n Transmit Data (TXD) Dominant Timeout Function n High ESD: ±25kV CANH, CANL to GND2 and V Supports up to 4Mbps CAN with Flexible Data Rate CC2; ±10kV Across Isolation Barrier (CAN FD). A logic supply pin allows easy interfacing with n Ambient Operation from –40°C to 125°C different logic levels from 1.62V to 5.5V, independent of n Low Profile 15mm × 11.25mm BGA Package the main supply. Enhanced ESD protection allows this part to withstand up
APPLICATIONS
to ±25kV Human Body Model (HBM) on the transceiver n interface pins and ±10kV HBM across the isolation barrier Isolated CAN Bus Interface n without latchup or damage. Industrial Networks n DeviceNet Applications L, LT, LTC, LTM, Linear Technology, µModule and the Linear logo are registered trademarks of Analog Devices, Inc. All other trademarks are the property of their respective owners.
TYPICAL APPLICATION Isolated Powered CAN Transceiver LTM2889 Operating at 1Mbps with 45 kV/µs Common Mode Transients
1.62V TO 5.5V 3.3V (LTM2889-3) OR 5V (LTM2889-5) 5V OUTPUT
Across the Isolation Barrier
(ADJUSTABLE) AVAILABLE CURRENT: 150mA (LTM2889-5) V 2V/DIV DD VL PVCC VCC LTM2889 VCC2 100mA (LTM2889-3) 2V/DIV RXD RXD PWR ADJ TXD CAN RE CONTROLLER ON CANH 60Ω MULTIPLE SWEEPS TXD TION BARRIER SPLIT* OF COMMON MODE S TRANSIENTS ACROSS CANL ISOLA 60Ω ISOLATION BARRIER GND GND RS GND2 500V/DIV 2889 TA01 2889 TA01a 50ns/DIV *USE OF SPLIT PIN IS OPTIONAL 2889fa For more information www.linear.com/LTM2889 1
FEATURES DESCRIPTION
n
Isolated 4Mbps CAN FD Transceiver
The LTM®2889 is a complete galvanically-isolated Con- n
2500VRMS for 1 Minute Per UL1577
troller Area Network (CAN) µModule® (micromodule) n
Isolated DC Power: 5V (Adjustable to 3.3V)
transceiver. No external components are required – a n
Up to 150mA Available Isolated Power Output
single supply powers both sides of the interface through an n
3.3V or 5V Input Supply Voltage Options
integrated, isolated DC/DC converter. Separate versions are n
UL-CSA Recognized File #E151738
available for 3.3V and 5V power supplies. The dual voltage n
No External Components Required
CAN transceiver and the adjustable regulator allow 3.3V n
High Bus Fault Voltage Tolerance: ±60V
or 5V isolated power with either the 3.3V or 5V version. n
Low Power OFF Mode: <1µA Typical
Coupled inductors and an isolation power transformer n
High Common Mode Transient Immunity: 30kV/µs
provide 2500VRMS of isolation between the line transceiver n Variable Slew Rate Driver with Active Symmetry and the logic interface. This device is ideal for systems Control and SPLIT Pin for Low EME where the ground loop is broken, allowing for large common n Fully ISO 11898-2 and CAN FD Compliant mode voltage ranges. Communication remains uninter- n Ideal Passive Behavior to CAN Bus with Supply Off rupted for common mode transients greater than 30kV/μs. n Transmit Data (TXD) Dominant Timeout Function n High ESD: ±25kV CANH, CANL to GND2 and V Supports up to 4Mbps CAN with Flexible Data Rate CC2; ±10kV Across Isolation Barrier (CAN FD). A logic supply pin allows easy interfacing with n Ambient Operation from –40°C to 125°C different logic levels from 1.62V to 5.5V, independent of n Low Profile 15mm × 11.25mm BGA Package the main supply. Enhanced ESD protection allows this part to withstand up
APPLICATIONS
to ±25kV Human Body Model (HBM) on the transceiver n interface pins and ±10kV HBM across the isolation barrier Isolated CAN Bus Interface n without latchup or damage. Industrial Networks n DeviceNet Applications L, LT, LTC, LTM, Linear Technology, µModule and the Linear logo are registered trademarks of Analog Devices, Inc. All other trademarks are the property of their respective owners.
TYPICAL APPLICATION Isolated Powered CAN Transceiver LTM2889 Operating at 1Mbps with 45 kV/µs Common Mode Transients
1.62V TO 5.5V 3.3V (LTM2889-3) OR 5V (LTM2889-5) 5V OUTPUT
Across the Isolation Barrier
(ADJUSTABLE) AVAILABLE CURRENT: 150mA (LTM2889-5) V 2V/DIV DD VL PVCC VCC LTM2889 VCC2 100mA (LTM2889-3) 2V/DIV RXD RXD PWR ADJ TXD CAN RE CONTROLLER ON CANH 60Ω MULTIPLE SWEEPS TXD TION BARRIER SPLIT* OF COMMON MODE S TRANSIENTS ACROSS CANL ISOLA 60Ω ISOLATION BARRIER GND GND RS GND2 500V/DIV 2889 TA01 2889 TA01a 50ns/DIV *USE OF SPLIT PIN IS OPTIONAL 2889fa For more information www.linear.com/LTM2889 1
