参数资料
型号: SI4021-A1-FT
厂商: Silicon Laboratories Inc
文件页数: 7/34页
文件大小: 783K
描述: IC TX FSK 915MHZ 5.4V 16-TSSOP
标准包装: 96
频率: 433MHz,868MHz,915MHz
调制或协议: FSK,OOK
数据传输率 - 最大: 512kbps
功率 - 输出: 8dBm
电流 - 传输: 24mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
电源电压: 2.2 V ~ 5.4 V
工作温度: -40°C ~ 85°C
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
包装: 管件
产品目录页面: 585 (CN2011-ZH PDF)
其它名称: 336-1622-5
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
V
dd
 
Positive supply voltage
-0.5
6.0
V
V
in
 
Voltage on any pin except open collector outputs
-0.5
V
dd
+0.5
V
V
oc
 
Voltage on open collector outputs
-0.5
6.0
V
I
in
 
Input current into any pin except VDD and VSS
-25
25
mA
ESD
Electrostatic discharge with human body model
 
1000
V
T
st
 
Storage temperature
-55
125
T
ld
 
Lead temperature (soldering, max 10 s)
 
260
Recommended Operating Range
Symbol
Parameter
Min
Max
Units
V
dd
 
Positive supply voltage
2.2
5.4
V
V
oc
 
Voltage on open collector outputs (Max 6.0 V)
V
dd
 - 1
V
dd
 + 1
V
T
op
 
Ambient operating temperature
-40
85
ELECTRICAL SPECIFICATION
(Min/max values are valid over the whole recommended operating range, typical conditions: T
op
= 27
o
C; V
dd
 = V
oc
 = 2.7 V)
DC Characteristics
Symbol
Parameter
Conditions/Notes
Min
Typ
Max
Units
433 MHz band
 
12
 
868 MHz band
 
14
 
I
dd_TX_0
 
Supply current
(TX mode, Pout = 0 dBm)
915 MHz band
 
15
 
mA
433 MHz band
 
21
 
868 MHz band
 
23
 
I
dd_TX_PMAX
 
Supply current
(TX mode, Pout = P
max
)
915 MHz band
 
24
 
mA
I
pd
 
Standby current in sleep mode
(Note 1)
All blocks disabled
 
0.3
 
I
wt
 
Wake-up timer current consumption
 
 
1.5
 
I
lb
 
Low battery detector current
consumption
 
 
0.5
 
I
x
 
Idle current
Only crystal oscillator is on
 
1.5
 
mA
V
lba
 
Low battery detection accuracy
 
 
+/-3
 
%
V
lb
 
Low battery detector threshold
Programmable in 0.1 V steps
2.25
 
5.35
V
V
il
 
Digital input low level
 
 
 
0.3*V
dd
 
V
V
ih
 
Digital input high level
 
0.7*V
dd
 
 
 
V
I
il
 
Digital input current
V
il
= 0 V
-1
 
1
I
ih
 
Digital input current
V
ih
= V
dd
, V
dd
= 5.4 V
-1
 
1
V
ol
 
Digital output low level
I
ol
= 2 mA
 
 
0.4
V
V
oh
 
Digital output high level
I
oh
= -2 mA
V
dd
-
0.4
 
 
V
Note for table above is on page 7.
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