Specifications
| Type | Description |
|---|---|
| Part Number | ISO1050 |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | SOP (8) 9.5 mm × 10.4 mm; SOIC (16) 10.3 mm × 10.3 mm |
| CAN Standard Compliance | ISO11898-2; condition: CAN transceiver requirements |
| Isolation Voltage | 5000 VRMS; condition: ISO1050DW variant |
| Isolation Voltage | 2500 VRMS; condition: ISO1050DUB variant |
| Loop Delay | 150 ns typ, 210 ns max; condition: transceiver loop delay |
| Transient Immunity | 50 kV/µs typ; condition: common-mode transient immunity |
| Bus Fault Protection | -27 V to 40 V; condition: CAN bus fault protection range |
| Dominant Timeout | supported; condition: driver TXD dominant time-out function |
| Logic I/O Voltage Support | 3.3 V and 5 V; condition: microprocessor interface voltage range |
| Signaling Rate | up to 1 Mbps; condition: CAN bus differential transmit/receive operation |
| Insulation Barrier Material | silicon oxide (SiO2); condition: between logic input/output buffers |
| Overvoltage Protection | -27 V to 40 V; condition: harsh environment protection |
| Loss of Ground Protection | supported; condition: CAN bus protection feature |
| Cross-Wire Protection | supported; condition: CAN bus protection feature |
| Overtemperature Shutdown | supported; condition: device protection feature |
| Common-Mode Range | -12 V to 12 V; condition: CAN bus operation |
| Operating Ambient Temperature | -55°C to 105°C; condition: characterized operating range |
| Output Fail-Safe | supported; condition: fail-safe outputs feature |
| VDE Certification | DIN EN IEC 60747-17 (VDE 0884-17); condition: safety-related certification |
| UL Certification | UL 1577 approved; condition: safety-related certification |
| CSA Certification | IEC 61010-1, IEC 60601-1; condition: safety-related certification |
| TUV Reinforced Insulation Approval | EN/UL/CSA 62368-1; condition: ISO1050DW only |
| CQC Reinforced Insulation | GB4943.1; condition: ISO1050DW only |
| Rated Working Voltage Lifetime | 25 years typ; condition: at rated working voltage |
| Datasheet Status | request_only |
Product Overview
The ISO1050 is a Texas Instruments isolated CAN transceiver in the Signal_Chain category. It uses a silicon oxide (SiO2) insulation barrier between logic input/output buffers and meets ISO11898-2 CAN transceiver requirements. The device supports CAN bus differential transmit and receive operation up to 1 Mbps while interfacing to 3.3 V and 5 V microprocessor logic.
Key Features
- ISO11898-2 compliant isolated CAN transceiver
- 5000 VRMS isolation for ISO1050DW variant
- 2500 VRMS isolation for ISO1050DUB variant
- Up to 1 Mbps CAN differential signaling
- 150 ns typical, 210 ns maximum loop delay
- 50 kV/µs typical common-mode transient immunity
- -27 V to 40 V bus fault protection
- 3.3 V and 5 V logic I/O support
- Silicon oxide insulation barrier between logic buffers
- -55°C to 105°C ambient operating range
Typical Applications
- Isolated CAN bus interfaces
- 3.3 V microprocessor CAN interfaces
- 5 V microprocessor CAN interfaces
- Protected CAN bus communication nodes
- Safety-certified isolated communication links
Procurement Notes
When requesting a quote for ISO1050, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What type of device is the ISO1050?
The ISO1050 is a Texas Instruments isolated CAN transceiver in the Signal_Chain category. It meets ISO11898-2 CAN transceiver requirements and supports CAN bus differential transmit and receive operation up to 1 Mbps.
What isolation ratings are specified for ISO1050 variants?
The ISO1050DW variant is specified for 5000 VRMS isolation, while the ISO1050DUB variant is specified for 2500 VRMS isolation. The insulation barrier material is silicon oxide, or SiO2, between logic input/output buffers.
Which logic interface voltages does ISO1050 support?
The ISO1050 supports 3.3 V and 5 V logic I/O for the microprocessor interface. It also provides fail-safe outputs and includes a driver TXD dominant time-out function.
What CAN bus protection features are listed for ISO1050?
The listed protection features include -27 V to 40 V bus fault protection, -27 V to 40 V overvoltage protection, loss-of-ground protection, cross-wire protection, and overtemperature shutdown.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.