SI4322 datasheet(5/22 Pages) SILABS

部件名	SI4322

功能描述	No alignment required in production

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制造商	SILABS [Silicon Laboratories]

网页	http://www.silabs.com

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Si4322

5

Symbol

Parameter

Min

Max

Units

Vdd

Positive supply voltage

-0.5

6.0

V

Vin

Voltage on any pin

-0.5

Vdd+0.5

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

GENERAL DEVICE SPECIFICATION

All voltages are referenced to V

ss, the potential on the ground reference pin VSS.

Absolute Maximum Ratings (non-operating)

ELECTRICAL SPECIFICATION

(Min/max values are valid over the whole recommended operating range, typ conditions: T

op = 27

o

C; V

dd = 2.7 V)

Recommended Operating Range

DC Characteristics

Symbol

Parameter

Vdd

Positive supply voltage

Top

Ambient operating temperature

Symbol

Parameter

Conditions/Notes

Min

Typ

Max

Units

Idd

Supply current

868 MHz band

915 MHz band

10.5

12

12.5

14

mA

Ipd

Standby current

all blocks disabled

1

µA

Ilb

Low battery voltage detector and

wake-up timer current

5

µA

Ix

Idle current

crystal oscillator is ON

0.5

mA

Vlb

Low battery detection threshold

programmable in 0.1 V steps

2.0

3.5

V

Vlba

Low battery detection accuracy

± 0.05

V

VPOR

Vdd threshold required

to generate a POR

1.5

V

VPOR,hyst

POR hysteresis

larger glithches on the Vdd

generate a POR even above

the threshold VPOR

0.6

V

SRVdd

Vdd slew rate

for proper POR generation

0.1

V/ms

Vil

Digital input low level

0.3*Vdd

V

Vih

Digital input high level

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

类似零件编号 - SI4322

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类似说明 - SI4322

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