Radiation Tolerant 3.3V CAN Transceiver Evaluation Board
The ISL72028SEHEVAL1Z evaluation board is designed to provide a quick and easy method for evaluating the ISL72028SEH 3.3V, radiation tolerant, controller area network...
概览
描述
The ISL72028ASEH is a radiation tolerant, 3.3V CAN transceiver that is compatible with the ISO 11898-2 standard for applications calling for Controller Area Network (CAN) serial communication in satellites and aerospace communications and telemetry data processing in harsh industrial environments.
This device can transmit and receive at bus speeds up to 5Mbps. It can drive a 40m cable at 1Mbps according to the ISO 11898-2 specification. 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 low-power shutdown mode, and a split termination output.
The 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 ISL72028ASEH is available in an 8 Ld hermetic ceramic flatpack and die form that operates across the temperature range of -55 °C to +125 °C.
The logic inputs are tolerant with 5V systems. Other CAN transceivers available are the ISL72026ASEH and ISL72027ASEH.
特性
- Electrically screened to SMD 5962-15228
- ESD protection on all pins: 4kV HBM
- Compatible with ISO 11898-2
- Operating supply range: 3.0V to 3.6V
- Bus pin fault protection to ±20V
- Undervoltage lockout
- Cold spare: powered down devices/nodes do not affect active devices operating in parallel
- Three selectable driver rise and fall times:
- Fast speed (RS = 0V) - edges and propagation delays optimized for a data rate of 1Mbps
- Medium speed (RS = 10kΩ) - edges and propagation delays optimized for a data rate of 500kbps
- Slow speed (RS = 50kΩ) - edges and propagation delays optimized for a data rate of 250kbps
- 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 5Mbps
- Quiescent supply current: 7mA (maximum)
- Low-power shutdown mode: 50µA (maximum)
- -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 LETTH: 86.4MeV•cm2/mg
- Low dose rate (0.01rad(Si)/s): 75krad(Si)
产品对比
应用
- Satellites and aerospace communications
- Telemetry data processing
- High-end industrial environments and harsh environments
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