Overview
The TJA1040T/H/V,112 is a high-speed Controller Area Network (CAN) transceiver produced by NXP USA Inc. This component is designed to serve as the interface between the CAN protocol controller and the physical bus, primarily intended for high-speed applications up to 1 MBaud, particularly in passenger cars. It is fully compatible with the ISO 11898 standard and offers excellent electromagnetic compatibility (EMC) and immunity (EMI).
Key Specifications
| Parameter | Conditions | Min. | Max. | Unit | |
|---|---|---|---|---|---|
| VCC supply voltage operating range | 4.75 | 5.25 | V | ||
| ICC supply current standby mode | 5 | 10 | 15 | µA | |
| ICC supply current normal mode recessive | VTXD = VCC | 2.5 | 5 | 10 | mA |
| ICC supply current normal mode dominant | VTXD = 0 V | 5 | 10 | mA | |
| VO(dif) differential bus output voltage (VCANH - VCANL) | VTXD = 0 V; dominant; 45Ω < RL < 65Ω | 1.5 | 3.0 | V | |
| VTXD recessive output voltage normal mode | VTXD = VCC; no load | 2 | 0.5 VCC | 3 VCC | V |
| tPD(TXD-RXD) propagation delay TXD to RXD | VSTB = 0 V | 40 | 255 | ns | |
| Tvj virtual junction temperature | -40 | 150 | °C |
Key Features
- Fully compatible with the ISO 11898 standard.
- High-speed operation up to 1 MBaud.
- Very low-current standby mode with remote wake-up capability via the bus.[
- Very low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI).[
- Differential receiver with high common-mode range.[
- Transceiver in unpowered state disengages from the bus (zero load).[
- Input levels compatible with 3.3 V and 5 V devices.[
- Voltage source for stabilizing the recessive bus level if split termination is used.[
- At least 110 nodes can be connected.[
- Transmit Data (TXD) dominant time-out function.[
- Bus pins protected against transients.[
Applications
The TJA1040T is primarily used in high-speed applications within the automotive sector, particularly in passenger cars. It is suitable for any system that requires a reliable and high-speed CAN interface, such as in-vehicle networks, automotive control systems, and other industrial applications where CAN protocol is utilized.
Q & A
- What is the TJA1040T used for?
The TJA1040T is used as a high-speed Controller Area Network (CAN) transceiver, serving as the interface between the CAN protocol controller and the physical bus.
- What is the maximum data rate of the TJA1040T?
The maximum data rate of the TJA1040T is up to 1 MBaud.
- Is the TJA1040T compatible with the ISO 11898 standard?
Yes, the TJA1040T is fully compatible with the ISO 11898 standard.
- What is the supply voltage range for the TJA1040T?
The supply voltage range for the TJA1040T is from 4.75 V to 5.25 V.[
- What is the current consumption in standby mode?
The current consumption in standby mode is between 5 µA and 15 µA.[
- Does the TJA1040T support remote wake-up?
Yes, the TJA1040T supports remote wake-up capability via the bus.[
- How many nodes can be connected using the TJA1040T?
At least 110 nodes can be connected using the TJA1040T.[
- Is the TJA1040T protected against transients?
Yes, the bus pins of the TJA1040T are protected against transients.[
- What is the operating temperature range for the TJA1040T?
The operating temperature range for the TJA1040T is from -40°C to 150°C (virtual junction temperature).[
- Is the TJA1040T AEC-Q100 qualified?
Yes, the TJA1040T is AEC-Q100 qualified, making it suitable for automotive applications.[
