AR8031-AL1B-R

Buffers, Drivers, Receivers, Transceivers48-pin 6 x 6 mm QFN

AR8031-AL1B-R

AR8031-AL1B-R is an industrial grade 10/100/1000 Mbps Ethernet PHY transceiver in a 48-pin QFN package, supporting RGMII/SGMII interfaces and IEEE 802.3az energy efficiency.Checked against the datasheet

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Technical parameters

Key specs

Supply voltage3.15 ~ 3.45 V

Datasheet-verified parameters

24 items

Parameter	Value and test conditions	Source
Logic Type	10/100/1000 BASE-T IEEE 802.3 compliant
Units	Single port
Inputs	RGMII and/or SGMII interfaces to MAC devices
Supply Voltage	3.15 V (Min) / 3.3 V (Typ) / 3.45 V (Max) for VDD33/AVDD33
Package	48-pin 6 x 6 mm QFN
Operating Temperature	-40 °C (Min) to 85 °C (Max) for Industrial chip version AR8031-AL1B
Grade	Industrial
Absolute Maximum Rating - 3.3V Supply Voltage	3.8 V (Max) for VDD33/AVDD33
Absolute Maximum Rating - 1.1V Analog Supply Voltage	1.6 V (Max) for AVDDL
Absolute Maximum Rating - 1.1V Digital Core Supply Voltage	1.6 V (Max) for DVDDL
Storage Temperature	-65 to 150 °C
Junction Temperature	-40 °C (Min) to 125 °C (Max)
Thermal Dissipation Coefficient	4 °C/W (Typ) for ΨJT
Recommended Operating Condition - 2.5V Analog/Digital Voltage	2.4 V (Min) / 2.62 V (Typ) / 2.75 V (Max) for VDDH_REG
Recommended Operating Condition - 1.1V Analog/Digital Voltage	1.04 V (Min) / 1.1 V (Typ) / 1.17 V (Max) for AVDDL/DVDDL
RGMII Input High Voltage	1.7 V (Min) to 3.5 V (Max) for 2.5/3.3V I/O Supply
RGMII Input Low Voltage	0.7 V (Max) for 2.5/3.3V I/O Supply
RGMII Output High Voltage	2.4 V (Min) to 2.8 V (Max) for 2.5/3.3V I/O Supply
RGMII Output Low Voltage	GND - 0.3 V (Min) to 0.4 V (Max) for 2.5/3.3V I/O Supply
Receiver Differential Input Impedance (50ohm termination)	80 ohm (Min) / 100 ohm (Typ) / 120 ohm (Max)
Receiver Differential Input Impedance (75ohm termination)	120 ohm (Min) / 150 ohm (Typ) / 180 ohm (Max)
ESD Tolerance - Human Body Model	±2000 V
ESD Tolerance - Machine Model	±200 V
ESD Tolerance - Charge Device Model	±300 V

Pinout and package

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DatasheetDatasheet · 1.0 MB · 2026-11-02

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