전자부품 데이터시트 검색엔진 |
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SI4421 데이터시트(PDF) 10 Page - Silicon Laboratories |
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SI4421 데이터시트(HTML) 10 Page - Silicon Laboratories |
10 / 46 page Si4421 10 ELECTRICAL SPECIFICATION Test Conditions: T op = 27 o C; V dd = Voc = 3.3 V DC Characteristics Symbol Parameter Conditions/Notes Min Typ Max Units Idd_TX_0 Supply current (TX mode, Pout = 0 dBm) 433 MHz band 15 mA 868 MHz band 16 915 MHz band 17 Idd_TX_PMAX Supply current (TX mode, Pout = Pmax) 433 MHz band 22 26 mA 868 MHz band 23 27 915 MHz band 24 28 Idd_RX Supply current (RX mode) 433 MHz band 11 13 mA 868 MHz band 12 14 915 MHz band 13 15 Ipd Standby current (Sleep mode) All blocks disabled 0.3 1 µA Ilb Low battery voltage detector current consumption 0.5 1.7 µA Iwt Wake-up timer current consumption 1.5 3.5 µA Ix Idle current Crystal oscillator on (Note 1) 0.6 1.2 mA Vlb Low battery detect threshold Programmable in 0.1 V steps 2.25 3.75 V Vlba Low battery detection accuracy ± 3 % Vil Digital input low level voltage 0.3·Vdd V Vih Digital input high level voltage 0.7·Vdd V Iil Digital input current Vil = 0 V -1 1 µA Iih Digital input current Vih = Vdd, Vdd = 3.8 V -1 1 µA Vol Digital output low level Iol = 2 mA 0.4 V Voh Digital output high level Ioh = -2 mA Vdd-0.4 V Notes are on page 13. |
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