3.3V Radiation Tolerant CAN Transceiver, 1Mbps, Listen Mode, Loopback

Key Features

• Electrically screened to SMD 5962-15228
• ESD protection on all pins: 4kV HBM
• Compatible with ISO11898-2
• Operating supply range: 3.0V to 3.6V
• Bus pin fault protection to ±20V
• Undervoltage lockout
• Cold spare: powered down devices/nodes will not affect active devices operating in parallel
• Three selectable driver rise and fall times
• Glitch free bus I/O during power-up and power-down
• Full fail-safe (open, short, terminated/undriven) receiver
• Hi Z input allows for 120 nodes on the bus
• High data rates: up to 1Mbps
• Quiescent supply current: 7mA (max)
• Listen mode supply current: 2mA (max)
• -7V to +12V common mode input voltage range
• 5V tolerant logic inputs
• Thermal shutdown
• Acceptance tested to 75krad(Si) (LDR) wafer-by-wafer
• Radiation tolerance
• SEL/B immune to LET 60MeV•cm2/mg
• Low dose rate (0.01rad(Si)/s): 75krad(Si)

Description

The Intersil ISL72026SEH is a radiation tolerant 3.3V CAN transceiver that is compatible with the ISO11898-2 standard for applications calling for Controller Area Network (CAN) serial communication in satellites and aerospace communications and telemetry data processing in harsh industrial environments.

The transceiver can transmit and receive at bus speeds of up to 1Mbps. The device is designed to operate over a common mode range of -7V to +12V with a maximum of 120 nodes. The device has three discrete selectable driver rise/fall time options, a listen mode feature and loopback test capability.

Receiver (Rx) inputs feature a “full fail-safe” design, which ensures a logic high Rx output if the Rx inputs are floating, shorted, or terminated but undriven.

The ISL72026SEH is available in an 8 Ld hermetic ceramic flatpack and die form that operate across the temperature range of -55°C to +125°C. The logic inputs are tolerant with 5V systems.

Other CAN transceivers available are the ISL72027SEH and ISL72028SEH.

Applications

• Satellites and aerospace communications
• Telemetry data processing
• High-end industrial environments
• Harsh environments

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