si4021 Silicon Laboratories, si4021 Datasheet - Page 7

• Manufacturer Part Number: si4021
• Description: Si4021 Universal Ism Band Fsk Transmitter
• Manufacturer: Silicon Laboratories

GENERAL DEVICE SPECIFICATIONS
All voltages are referenced to V
Absolute Maximum Ratings (non-operating)
Recommended Operating Range
ELECTRICAL SPECIFICATION
(Min/max values are valid over the whole recommended operating range, typical conditions: T
DC Characteristics
Note for table above is on page 7.
I
I
I
I
I
I
V
V
V
V
I
I
V
V
dd_TX_0
dd_TX_PMAX
pd
wt
lb
x
il
ih
lba
lb
il
ih
ol
oh
Symbol
Symbol
Symbol
ESD
V
V
V
V
T
V
T
T
I
in
dd
dd
op
oc
st
ld
oc
in
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)
Parameter
Positive supply voltage
Voltage on open collector outputs (Max 6.0 V)
Ambient operating temperature
Supply current
(TX mode, Pout = 0 dBm)
Supply current
(TX mode, Pout = P
Standby current in sleep mode
(Note 1)
Wake-up timer current consumption
Low battery detector current
consumption
Idle current
Low battery detection accuracy
Low battery detector threshold
Digital input low level
Digital input high level
Digital input current
Digital input current
Digital output low level
Digital output high level
ss
Parameter
, the potential on the ground reference pin VSS.
max
)
433 MHz band
868 MHz band
915 MHz band
433 MHz band
868 MHz band
915 MHz band
All blocks disabled
Only crystal oscillator is 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
Conditions/Notes
= 5.4 V
V
Min
-0.5
-0.5
-0.5
Min
-25
-55
2.2
dd
-40
op
- 1
= 27
o
C; V
0.7*V
V
2.25
Min
dd
-1
-1
dd
-0.4
= V
dd
V
V
1000
dd
Max
Max
oc
125
260
dd
6.0
6.0
5.4
25
85
+0.5
= 2.7 V)
+ 1
Typ
+/-3
0.3
1.5
0.5
1.5
12
14
15
21
23
24
0.3*V
Units
Units
Max
5.35
mA
0.4
ºC
ºC
ºC
V
V
V
V
1
1
V
V
dd
IA4221
Units
mA
mA
mA
µA
µA
µA
µA
µA
%
V
V
V
V
V
7