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SI4021 датащи(PDF) 7 Page - Silicon Laboratories

номер детали SI4021
подробное описание детали  Automatic antenna tuning circuit
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производитель  SILABS [Silicon Laboratories]
домашняя страница  http://www.silabs.com
Logo SILABS - Silicon Laboratories

SI4021 датащи(HTML) 7 Page - Silicon Laboratories

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Si4021
7
GENERAL DEVICE SPECIFICATIONS
All voltages are referenced to V
ss, the potential on the ground reference pin VSS.
Absolute Maximum Ratings (non-operating)
Symbol
Parameter
Min
Max
Units
Vdd
Positive supply voltage
-0.5
6.0
V
Vin
Voltage on any pin except open collector outputs
-0.5
Vdd+0.5
V
Voc
Voltage on open collector outputs
-0.5
6.0
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
Max
Units
Vdd
Positive supply voltage
2.2
5.4
V
Voc
Voltage on open collector outputs (Max 6.0 V)
Vdd - 1
Vdd + 1
V
Top
Ambient operating temperature
-40
85
ºC
ELECTRICAL SPECIFICATION
(Min/max values are valid over the whole recommended operating range, typical conditions: T
op = 27
o
C; V
dd = Voc = 2.7 V)
DC Characteristics
Symbol
Parameter
Conditions/Notes
Min
Typ
Max
Units
Idd_TX_0
Supply current
(TX mode, Pout = 0 dBm)
433 MHz band
12
mA
868 MHz band
14
915 MHz band
15
Idd_TX_PMAX
Supply current
(TX mode, Pout = Pmax)
433 MHz band
21
mA
868 MHz band
23
915 MHz band
24
Ipd
Standby current in sleep mode
(Note 1)
All blocks disabled
0.3
µA
Iwt
Wake-up timer current consumption
1.5
µA
Ilb
Low battery detector current
consumption
0.5
µA
Ix
Idle current
Only crystal oscillator is on
1.5
mA
Vlba
Low battery detection accuracy
+/-3
%
Vlb
Low battery detector threshold
Programmable in 0.1 V steps
2.25
5.35
V
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 = 5.4 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
Note for table above is on page 7.


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