LAN7430 datasheet(48/77 Pages) MICROCHIP

48 / 77 page

LAN7430/LAN7431

DS00002631D-page 48

 2018-2019 Microchip Technology Inc.

7.0

OPERATIONAL CHARACTERISTICS

7.1

Absolute Maximum Ratings*

Supply Voltage (VDDVARIO, VDDVARIO_B, VDD_SW_IN, VDD_REG_IN, VDD_OTP) (Note 7-1) ...... -0.5 V to +4.6 V

+2.5/3.3 V Analog Supply Voltage (AVDDH_1, AVDDH_2) (Note 7-1)..................................................... -0.5 V to +4.6 V

+2.5 V Analog Supply Voltage (VPH) (Note 7-1)...................................................................................... -0.5 V to +3.2 V

+1.2 V Analog Supply Voltage (AVDD12, AVDDL_1, AVDDL_2, VPTX, VP) (Note 7-1).......................... -0.5 V to +1.5 V

+1.2 V Digital Supply Voltage (VDD12CORE) (Note 7-1) ........................................................................ -0.5 V to +1.5 V

Positive voltage on input signal pins, with respect to ground ..................................................................................+4.6 V

Negative voltage on input signal pins, with respect to ground ................................................................................ -0.5 V

Storage Temperature...............................................................................................................................-65°C to +150°C

Lead Temperature Range............................................................................................Refer to JEDEC Spec. J-STD-020

HBM ESD Performance ..........................................................................................................................................+/-2kV

Note 7-1

When powering this device from laboratory or system power supplies, it is important that the absolute

maximum ratings not be exceeded or device failure can result. Some power supplies exhibit voltage

spikes on their outputs when AC power is switched on or off. In addition, voltage transients on the

AC power line may appear on the DC output. If this possibility exists, it is suggested that a clamp

circuit be used.

*Stresses exceeding those listed in this section could cause permanent damage to the device. This is a stress rating

only. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Functional

operation of the device at any condition exceeding those indicated in Section 7.2, "Operating Conditions**", Section 7.5,

"DC Specifications", or any other applicable section of this specification is not implied.

7.2

Operating Conditions**

Supply Voltage (VDD_SW_IN)............................................................................................................ +1.62 V to +3.63 V

Supply Voltage (VDDVARIO, VDDVARIO_B) ..................................................................................... +1.62 V to +3.63 V

Supply Voltage (VDD_REG_IN, VDD_OTP) ....................................................................................... +2.97 V to +3.63 V

+2.5/3.3 V Ethernet PHY Analog Supply Voltage (AVDDH_1, AVDDH_2)........................... Note 7-2 +2.33 V to +2.75 V



............................................................................................................................................................ +2.97 V to +3.63 V

+2.5 V PCIe PHY Analog Supply Voltage (VPH)................................................................................. +2.33 V to +2.75 V

+1.2 V PCIe PHY Analog Supply Voltage (VPTX, VP)........................................................................ +1.12 V to +1.32 V

+1.2 V Ethernet PHY Analog Supply Voltage (AVDD12, AVDDL_1, AVDDL_2) ................................. +1.14 V to +1.32 V

Digital Supply Voltage (VDD12CORE) ................................................................................................ +1.14 V to +1.32 V

Positive voltage on input signal pins, with respect to ground ................................................................................+3.63 V

Negative voltage on input signal pins, with respect to ground ................................................................................ -0.3 V

Ambient Operating Temperature in Still Air (TA).................................................................................................. Note 7-3

Note 7-2

The 10BASE-T transmit amplitude will not pass the 10BASE-T spec limits over process, voltage, and

temperature at 2.5V (nominal).

Note 7-3

0°C to +70°C for commercial version, -40°C to +85°C for industrial version, -40°C to +105°C for

automotive version.

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