SI4020 Просмотр технического описания (PDF) - Silicon Laboratories
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SI4020 Datasheet PDF : 32 Pages
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Si4020
GENERAL DEVICE SPECIFICATIONS
All voltages are referenced to Vss, the potential on the ground reference pin VSS.
Absolute Maximum Ratings (non-operating)
Symbol
Vdd
Vin
Voc
Iin
ESD
Tst
Tld
Parameter
Positive supply voltage
Voltage on any pin except open collector outputs
Voltage on open collector outputs
Input current into any pin except VDD and VSS
Electrostatic discharge with human body model
Storage temperature
Lead temperature (soldering, max 10 s)
Recommended Operating Range
Min
Max
Units
-0.5
6.0
V
-0.5
Vdd+0.5
V
-0.5
6.0
V
-25
25
mA
1000
V
-55
125
ºC
260
ºC
Symbol
Vdd
Voc
Top
Parameter
Positive supply voltage
Voltage on open collector outputs (Max 6.0 V)
Ambient operating temperature
Min
2.2
Vdd - 1
-40
Max
5.4
Vdd + 1
85
Units
V
V
ºC
ELECTRICAL SPECIFICATION
(Min/max values are valid over the whole recommended operating range, typical conditions: Top = 27 oC; Vdd = Voc = 2.7 V)
DC Characteristics
Symbol
Parameter
Idd_TX_0
Supply current
(TX mode, Pout = 0 dBm)
Idd_TX_PMAX
Supply current
(TX mode, Pout = Pmax)
Ipd
Standby current in sleep mode
Iwt
Wake-up timer current consumption
Ilb
Low battery detector current
consumption
Ix
Idle current
Vlba
Low battery detection accuracy
Vlb
Low battery detector threshold
Vil
Digital input low level
Vih
Digital input high level
Iil
Digital input current
Iih
Digital input current
Vol
Digital output low level
Voh
Digital output high level
Note for table above is on page 7.
Conditions/Notes
315 MHz band
433 MHz band
868 MHz band
915 MHz band
315 MHz band
433 MHz band
868 MHz band
915 MHz band
All blocks disabled (Note 1)
Only crystal oscillator is on
Programmable in 0.1 V steps
Vil = 0 V
Vih = Vdd, Vdd = 5.4 V
Iol = 2 mA
Ioh = -2 mA
Min
Typ
Max Units
9
10
mA
12
13
11
12
mA
14
15
0.3
µA
1.5
µA
0.5
µA
1.5
mA
75
mV
2.2
5.3
V
0.3*Vdd
V
0.7*Vdd
-1
V
1
µA
-1
1
µA
0.4
V
Vdd-0.4
V
7
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