si4420 Silicon Laboratories, si4420 Datasheet - Page 7

• Manufacturer Part Number: si4420
• Description: Si4420 Universal Ism Band Fsk Transceiver
• Manufacturer: Silicon Laboratories

ELECTRICAL SPECIFICATION
(Min/max values are valid over the whole recommended operating range, typ conditions: T
DC Characteristics
Symbol
I
I
I
I
I
I
I
V
V
V
V
I
I
V
V
dd_TX_0
dd_TX_PMAX
dd_RX
pd
lb
wt
x
il
ih
lb
lba
il
ih
ol
oh
Parameter
Supply current
(TX mode, P
Supply current
(TX mode, P
Supply current
(RX mode)
Standby current (Sleep mode)
Low battery voltage detector current
consumption
Wake-up timer current consumption
Idle current
Low battery detect threshold
Low battery detection accuracy
Digital input low level voltage
Digital input high level voltage
Digital input current
Digital input current
Digital output low level
Digital output high level
out
out
= 0 dBm)
= P
max
)
Conditions/Notes
315/433 MHz bands
868 MHz band
915 MHz band
315/433 MHz bands
868 MHz band
915 MHz band
315/433 MHz bands
868 MHz band
915 MHz band
All blocks disabled
Crystal oscillator and baseband
parts are on
Programmable in 0.1 V steps
V
V
I
I
ol
oh
il
ih
= 2 mA
= 0 V
= -2 mA
= V
dd
, V
dd
= 5.4 V
op
= 27
o
C; V
Min
0.7*V
V
dd
2.25
dd
-1
-1
= V
-0.4
dd
oc
= 2.7 V)
Typ
+/-3
0.3
0.5
1.5
13
16
17
21
23
24
11
12
13
3
Max
0.3*V
5.35
0.4
3.5
14
18
19
22
25
26
13
14
15
1
1
dd
Si4420
Units
mA
mA
mA
mA
µA
µA
µA
µA
µA
%
V
V
V
V
V
7