Overview
The TJA1101AHN/0Z is a high-performance Ethernet PHY transceiver designed by NXP USA Inc., optimized for automotive applications. It is compliant with the 100BASE-T1 standard, enabling 100Mbit/s data transmission over a single unshielded twisted-pair cable, supporting cable lengths of up to at least 15 meters. This device is tailored for robust automotive use cases, including gateways, IP camera links, radar modules, driver assistance systems, and back-bone networks. It adheres to ISO 26262 and ASIL-A safety standards, ensuring reliable operation in harsh automotive environments while minimizing power consumption and system costs.
Key Specifications
| Parameter | Value |
|---|---|
| Protocol | Ethernet (IEEE 802.3, IEEE 802.3bw) |
| Data Rate | 100Mbps |
| Duplex | Full |
| Voltage - Supply | 3.3V |
| Operating Temperature | -40°C to 125°C |
| Package / Case | 36-VFQFN Exposed Pad |
| Mounting Type | Surface Mount, Wettable Flank |
| Qualification | AEC-Q100 |
| ESD Protection | MDI pins protected against ESD to ±6KV HBM and ±8kV IEC61000-4-2 |
Key Features
- EMC-optimized output driver strength for MII and RMII interfaces.
- Transmitter optimized for capacitive coupling to unshielded twisted-pair cable.
- Enhanced integrated PAM-3 pulse shaping for low RF emissions.
- MDI pins protected against transients in automotive environments and do not require external filtering or ESD protection.
- Dedicated PHY enable/disable input pin to minimize power consumption.
- Inhibit output for voltage regulator control.
- Automotive product qualification in accordance with AEC-Q100.
- Wide temperature range operation from -40°C to 125°C.
Applications
- Automotive gateways.
- IP camera links.
- Radar modules.
- Driver assistance systems (ADAS).
- Back-bone networks in vehicles.
- Infotainment systems.
- Camera and sensor data transmission.
- Autonomous driving technologies.
Q & A
- What is the TJA1101AHN/0Z used for?
The TJA1101AHN/0Z is used for high-speed Ethernet communication in automotive applications, such as gateways, IP camera links, and driver assistance systems.
- What is the data transmission rate of the TJA1101AHN/0Z?
The TJA1101AHN/0Z supports a data transmission rate of 100Mbps.
- What is the operating temperature range of the TJA1101AHN/0Z?
The operating temperature range is from -40°C to 125°C.
- Is the TJA1101AHN/0Z compliant with automotive safety standards?
Yes, it is compliant with ISO 26262 and ASIL-A safety standards.
- What type of package does the TJA1101AHN/0Z come in?
The TJA1101AHN/0Z comes in a 36-VFQFN Exposed Pad package.
- Does the TJA1101AHN/0Z require external ESD protection?
No, the MDI pins do not require external filtering or ESD protection.
- How is power consumption minimized in the TJA1101AHN/0Z?
Power consumption is minimized through a dedicated PHY enable/disable input pin.
- Is the TJA1101AHN/0Z RoHS compliant?
Yes, the TJA1101AHN/0Z is RoHS compliant and lead-free.
- What are some of the key features of the TJA1101AHN/0Z?
Key features include EMC-optimized output drivers, enhanced PAM-3 pulse shaping, and protection against ESD and transients.
- What is the typical cable length supported by the TJA1101AHN/0Z?
The device supports a cable length of up to at least 15 meters.
