interface

TJA1051

Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.

01 — Overview

This NXP datasheet covers the TJA1051, a high-speed CAN transceiver for automotive networks. It interfaces between a CAN controller and the physical two-wire bus, supporting data rates up to 5Mbit/s in CAN FD mode. Key parameters include supply voltages of 4.5-5.5V (CC) and 2.8-5.5V (IO), with currents ranging from 0.1mA in silent mode to 70mA dominant transmission. The device offers robust ESD protection, thermal safeguards, and compliance with ISO 11898-2:2016 standards.

02 — Key specifications

Datasheet parameters

ParameterMinTypMaxConditions
quiescent current 100 µA 1 mA 2.5 mA Silent mode
output voltage 2.75 V 3.5 V 4.5 V pin CANH; RL = 50 Ω to 65 Ω
output current -8 mA -3 mA -1 mA VRXD = VIO- 0.4 V[3]
supply voltage range 4.5 V — 5.5 V
input offset voltage 1.3 V 2 V 2.7 V
operating temperature -40 °C — 150 °C
input capacitance — 5 pF 10 pF [6]-
propagation delay — 65 ns —
data rate — 5 Mbps —
channel count — 1 —
driver count — 1 —
receiver count — 1 —
03 — Alternatives

Closest matches to TJA1051

TJA1042BT 5.0× higher quiescent current, 1.1× lower propagation delay, similar data rate
TJA1043 2.0× higher output current, 1.1× lower input offset voltage, 1.1× lower propagation delay
ISO1050DUBR 2.2× lower operating temperature, 1.8× higher quiescent current, 1.2× higher input capacitance
SN65HVD230 13.3× higher output current, 10.0× higher quiescent current, 6.4× higher input capacitance
TLE6250C 5.0× lower data rate, 2.3× higher propagation delay, 1.3× higher output current
SN65LBC184 20.0× lower data rate, 12.0× higher quiescent current, 7.7× higher propagation delay
MCP2518FD 15.0× higher quiescent current, 10.0× lower data rate, 1.2× lower supply voltage range
MCP2551 6.7× lower supply voltage range, 5.0× lower data rate, 2.4× lower operating temperature
04 — FAQ

Frequently asked questions

What is the channel count of the TJA1051?

The channel count is 1.

What is the maximum data rate of the TJA1051?

The maximum data rate is 5 Mbps.

What is the driver count for the TJA1051?

The driver count is 1.

What is the input capacitance of the TJA1051?

The input capacitance is 5 pF at [6]-.

What is the input offset voltage?

The input offset voltage is 2 V.

What is the maximum operating temperature for the TJA1051?

The maximum operating temperature is 150 °C.

What is the output current when VRXD = VIO- 0.4 V[3]?

The output current is -3 mA.

What is the output voltage at pin CANH when RL is 50 Ω to 65 Ω?

The output voltage is 3.5 V.

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