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ISO1042BDWV
Texas Instruments
IC TRANSCEIVER FULL 1/1 8SOIC
57773 Pcs New Original In Stock
1/1 Transceiver Full CANbus 8-SOIC
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5.0 / 5.0
- (384 Ratings)
ISO1042BDWV
Product Overview
1337862
DiGi Electronics Part Number
ISO1042BDWV-DGManufacturer
Texas Instruments
ISO1042BDWV
Description
IC TRANSCEIVER FULL 1/1 8SOICInventory
57773 Pcs New Original In Stock
1/1 Transceiver Full CANbus 8-SOIC
Quantity
Minimum 1
Minimum 1
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ISO1042BDWV Technical Specifications
Category
Interface, Drivers, Receivers, Transceivers
Packaging
Tube
Series
-
Product Status
Active
Type
Transceiver
Protocol
CANbus
Number of Drivers/Receivers
1/1
Duplex
Full
Receiver Hysteresis
120 mV
Data Rate
5Mbps
Voltage - Supply
1.71V ~ 1.89V, 2.25V ~ 5.5V
Operating Temperature
-40°C ~ 125°C (TA)
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.295", 7.50mm Width)
Supplier Device Package
8-SOIC
Base Product Number
ISO1042
Datasheet & Documents
Manufacturer Product Page
ISO1042BDWV Specifications
HTML Datasheet
ISO1042BDWV-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
296-53075-DG
296-ISO1042BDWV
296-53075
Standard Package
64
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
항상 신속하고 친절한 응대에 감동했습니다. 강력 추천합니다.
de desembre 02, 2025
DiGi Electronics se distingue par son emballage écologique, ce qui montre leur engagement envers la planète. De plus, leurs prix sont vraiment abordables, ce qui est rare dans le marché actuel.
de desembre 02, 2025
Fast shipping enhanced my shopping experience—quality is superb.
de desembre 02, 2025
The after-sales team provides professional and helpful assistance whenever needed.
de desembre 02, 2025
The team at DiGi Electronics is always ready to assist, even after purchase is made.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the ISO1042BDWV in a high-noise industrial environment, and how can they be mitigated?
When integrating the ISO1042BDWV in electrically noisy environments such as factory automation or motor control systems, a primary risk is signal integrity degradation due to ground loops or EMI on the CAN bus. Since the ISO1042BDWV provides galvanic isolation, ensure proper layout with clean separation between isolated grounds and sufficient creepage/clearance distances. Use shielded twisted-pair cabling with correct termination at both ends (120Ω) and consider adding common-mode chokes. Also, decouple both the primary and secondary supplies close to the ISO1042BDWV pins with low-ESR capacitors (e.g., 100nF ceramic + 1µF) to reduce transients. Avoid routing high-speed digital traces near the isolated CAN side to prevent coupling.
Can the ISO1042BDWV replace the ISO1050 or MCP2542 in existing CAN designs, and what are the critical differences affecting compatibility?
The ISO1042BDWV can replace the ISO1050 or MCP2542 in most full-duplex CAN applications, but important considerations exist. Unlike the ISO1050, which uses capacitive isolation, the ISO1042BDWV uses TI's newer iCoupler technology, enabling lower power and higher CMTI (>100kV/µs). Also, the ISO1042BDWV operates down to 1.8V on the logic side, making it suitable for low-voltage microcontrollers, while the MCP2542 requires 3.0V minimum. However, ensure pin compatibility—both the ISO1050 and ISO1042BDWV are 8-SOIC, but confirm VIO pin routing if migrating from 5V systems. Always validate loop delay and timing budgets when switching transceivers at 5Mbps.
How does the wide supply voltage range (2.25V to 5.5V) of the ISO1042BDWV impact power system design in dual-supply or battery-powered CAN nodes?
The ISO1042BDWV's wide VCC range (2.25V to 5.5V) allows direct interfacing with a variety of microcontrollers and reduces the need for additional level shifting or voltage regulators, which is ideal for battery-powered or multi-rail industrial systems. However, in dual-voltage systems, ensure that the logic-side supply (VIO) is derived from the MCU's rail and is stable during brown-out conditions. Use a regulated LDO if powering from a decaying battery source to maintain signal integrity. Also, monitor power sequencing if the isolated side powers up before the MCU—this could leave the TXD pin floating and cause unintended bus transmission.
What thermal and long-term reliability concerns should be addressed when deploying the ISO1042BDWV in automotive applications near the 125°C limit?
While the ISO1042BDWV is rated for operation up to 125°C ambient, sustained high temperatures in engine compartments or enclosed enclosures can accelerate aging and reduce isolation lifetime. To ensure reliability, perform thermal analysis using worst-case power dissipation (especially at 5Mbps), and avoid placing the ISO1042BDWV near heat sources like power MOSFETs or inductors. Use thermal vias under the exposed pad (if present in variant) to improve heat dissipation. Additionally, TI’s iCoupler technology has been qualified per AEC-Q100, but confirm the specific lot's automotive suitability and consider derating performance margins by 10–15°C for long-term robustness in safety-critical CAN networks.
What are the practical data rate limitations of the ISO1042BDWV in real-world PCB layouts, and how does it compare to the MAX3051 for high-speed CAN?
The ISO1042BDWV supports up to 5Mbps, matching the MAX3051, but real-world performance depends heavily on PCB layout and cable quality. Long trace lengths (>30cm) without impedance control or poor matching to 120Ω differential impedance can cause reflections, increasing bit error rates. Compared to the MAX3051, the ISO1042BDWV adds isolation, which improves noise immunity but introduces slight propagation delay (~30ns longer), affecting timing margins in large networks. To maintain signal integrity at 5Mbps, keep CANH/CANL traces short, use 100–120Ω controlled impedance routing, and minimize stubs. Always perform eye diagram testing in the final enclosure to validate the physical layer.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
ISO1042BDWV CAD Models
Texas Instruments ISO1042BDWV PCB symbols & footprints
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