Silicon Laboratories SI4421 Si4421 GENERAL DEVICE SPECIFICATIONS, Recommended Operating Range

Si4421

GENERAL DEVICE SPECIFICATIONS

All voltages are referenced to Vss, the potential on the ground reference pin VSS.

Absolute Maximum Ratings (non-operating)

Symbol	Parameter	Min	Max	Units
Vdd	Positive supply voltage	-0.5	6	V
Vin	Voltage on any pin (except RF1 and RF2)	-0.5	Vdd +0.5	V
Voc	Voltage on open collector outputs (RF1, RF2)	-0.5	Vdd +1.5 (Note 1)	V
Iin	Input current into any pin except VDD and VSS	-25	25	mA
ESD	Electrostatic discharge with human body model		1000	V
Tst	Storage temperature	-55	125	oC
Tld	Lead temperature (soldering, max 10 s)		260	oC

Recommended Operating Range

Symbol	Parameter	Min
Vdd	Positive supply voltage	2.2
Voc	Voltage range on open collector outputs (RF1, RF2)	Vdd -1.5 (Note 2)
Top	Ambient operating temperature	-40

Max

3.8

Vdd +1.5 85

Units

V

V

oC

Note 1: The voltage on RF1 and RF2 pins can be higher than the actual Vdd but cannot exceed 7 V.

Note 2: The actual voltage on RF1 and RF2 pins can be lower than the current Vdd but never should go below 1.2 V.

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