Silicon Laboratories SI4421 manual Electrical Specification, Si4421, DC Characteristics

							Si4421
ELECTRICAL SPECIFICATION
Test Conditions: Top = 27 oC; Vdd = Voc = 3.3 V
DC Characteristics
	Symbol	Parameter	Conditions/Notes	Min	Typ	Max			Units
		Supply current	433 MHz band		15
	Idd_TX_0		868 MHz band		16				mA
		(TX mode, Pout = 0 dBm)
			915 MHz band		17
		Supply current	433 MHz band		22	26
	Idd_TX_PMAX		868 MHz band		23	27			mA
		(TX mode, Pout = Pmax )
			915 MHz band		24	28
			433 MHz band		11	13
	Idd_RX	Supply current (RX mode)	868 MHz band		12	14			mA
			915 MHz band		13	15
	Ipd	Standby current (Sleep mode)	All blocks disabled		0.3	1			µA
	Ilb	Low battery voltage detector current			0.5	1.7			µA
		consumption
	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 12.

9