Overview
The AMIS-41682CANM1RGC, produced by onsemi, is a fault-tolerant CAN (Controller Area Network) transceiver designed to serve as an interface between the CAN protocol controller and the physical wires of the CAN bus. This device is optimized for low-speed applications, particularly in the automotive sector, supporting baud rates up to 125 kB. It is part of onsemi's portfolio of in-car multiplex transceivers, ensuring reliable and robust communication in vehicle networks.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC Supply Voltage | 4.75 | 5.25 | V | ||
| VBAT Battery Supply | 5 | 36 | V | ||
| Number of Pins | 14 | ||||
| Package Type | SOIC | ||||
| Baud Rate | 125 kB | ||||
| Operating Temperature | -40 | 150 | °C | ||
| High-Level Input Voltage (VIH) | STB, EN, TXD | 0.7 x VCC | 6.0 | V | |
| Low-Level Input Voltage (VIL) | STB, EN, TXD | -0.3 | 0.3 x VCC | V | |
| High-Level Output Voltage (VOH) | RXD, ERR | VCC - 0.9 | VCC | V | |
| Low-Level Output Voltage (VOL) | RXD, ERR | 0 | 0.4 | V |
Key Features
- Fully compatible with ISO11898-3 standard.
- Optimized for in-car low-speed communication.
- Supports up to 32 nodes on the CAN bus.
- Integrated receiver filters and permanent dominant monitoring of transmit data input.
- Differential receiver with wide common-mode range for high electromagnetic susceptibility (EMS).
- Automatic switching to single-wire mode in case of bus failures.
- Low electromagnetic emission (EME) due to built-in slope control and matched CANL and CANH output stages.
- True 3.3 V digital I/O interface to CAN controller for AMIS-41683 (note: AMIS-41682 has a 5 V interface).
Applications
The AMIS-41682CANM1RGC is primarily designed for use in automotive systems, particularly in low-speed CAN applications such as vehicle networks, body control modules, and other in-car communication systems. It is also suitable for any application requiring robust and fault-tolerant CAN communication.
Q & A
- What is the primary function of the AMIS-41682CANM1RGC? The AMIS-41682CANM1RGC serves as an interface between the CAN protocol controller and the physical wires of the CAN bus.
- What is the maximum baud rate supported by this device? The device supports baud rates up to 125 kB.
- How many nodes can be connected on the CAN bus using this transceiver? Up to 32 nodes can be connected.
- What happens in case of bus failures? The device automatically switches to single-wire mode in case of bus failures and returns to differential mode once the failure is removed.
- Is the AMIS-41682CANM1RGC compatible with ISO standards? Yes, it is fully compatible with the ISO11898-3 standard.
- What is the operating temperature range of this device? The operating temperature range is from -40°C to 150°C.
- What is the supply voltage range for VCC and VBAT? VCC ranges from 4.75 V to 5.25 V, and VBAT ranges from 5 V to 36 V.
- Does the device have built-in receiver filters? Yes, it has fully integrated receiver filters.
- How does the device manage electromagnetic emission (EME)? The device reduces EME through built-in slope control and matched CANL and CANH output stages.
- What is the difference between AMIS-41682 and AMIS-41683? The AMIS-41683 has a true 3.3 V digital interface to the CAN controller, whereas the AMIS-41682 has a 5 V interface.
