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LAN8710A-EZC 데이터시트(PDF) 67 Page - SMSC Corporation |
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LAN8710A-EZC 데이터시트(HTML) 67 Page - SMSC Corporation |
67 / 82 page Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR® Technology Datasheet SMSC LAN8710A/LAN8710Ai 67 Revision 1.4 (08-23-12) DATASHEET 5.2 Operating Conditions** Supply Voltage (VDDIO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +1.62V to +3.6V Analog Port Supply Voltage (VDD1A, VDD2A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +3.0V to +3.6V Digital Core Supply Voltage (VDDCR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +1.14V to +1.26V Ethernet Magnetics Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +2.25V to +3.6V Ambient Operating Temperature in Still Air (TA). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Note 5.4 **Proper operation of the device is guaranteed only within the ranges specified in this section. After the device has completed power-up, VDDIO and the magnetics power supply must maintain their voltage level with +/-10%. Varying the voltage greater than +/-10% after the device has completed power-up can cause errors in device operation. Note: Do not drive input signals without power supplied to the device. 5.3 Power Consumption This section details the device power measurements taken over various operating conditions. Unless otherwise noted, all measurements were taken with power supplies at nominal values (VDDIO, VDD1A, VDD2A = 3.3V, VDDCR = 1.2V). See Section 3.8.3, "Power-Down Modes," on page 40 for a description of the power down modes. Note: The current at VDDCR is either supplied by the internal regulator from current entering at VDD2A, or from an external 1.2V supply when the internal regulator is disabled. Table 5.1 Device Only Current Consumption and Power Dissipation POWER PIN GROUP VDDA3.3 POWER PINS(mA) VDDCR POWER PIN(mA) VDDIO POWER PIN(mA) TOTAL CURRENT (mA) TOTAL POWER (mW) 100BASE-TX /W TRAFFIC Max 28 21 5.2 54 176 Typical 26 18 4.3 48 158 Min 23 18 2.4 43 101 Note 5.6 10BASE-T /W TRAFFIC Max 10.2 12.9 0.98 24.1 79.5 Typical 9.4 11.4 0.4 21.2 70 Min 9.2 10.9 0.3 20.4 44 Note 5.6 ENERGY DETECT POWER DOWN Max 4.5 3 0.3 7.8 25 Typical 4.3 1.4 0.2 5.9 19.5 Min 3.9 1.3 0 5.2 15.9 Note 5.6 GENERAL POWER DOWN Max 0.4 2.6 0.3 3.3 10.9 Typical 0.3 1.2 0.2 1.7 5.6 Min 0.3 1.1 0 1.4 2.4 Note 5.6 |
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