参数资料
型号: MAX1479ATE+
厂商: Maxim Integrated
文件页数: 3/10页
文件大小: 265K
描述: IC TRANSMITTER ASK/FSK 16-TQFN
其它有关文件: Automotive Product Guide
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
频率: 300MHz ~ 450MHz
应用: ISM,车库门开启器,RKE
调制或协议: ASK,FSK,OOK
数据传输率 - 最大: 100 kbps
功率 - 输出: 2.7dBm ~ 16.1dBm
电流 - 传输: 6.7mA ~ 10.5mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
电源电压: 2.1 V ~ 3.6 V
工作温度: -40°C ~ 125°C
封装/外壳: 16-WFQFN 裸露焊盘
包装: 管件
产品目录页面: 1422 (CN2011-ZH PDF)
300MHz to 450MHz Low-Power,
Crystal-Based +10dBm ASK/FSK Transmitter
_______________________________________________________________________________________   3
Note 1: Supply current, output power, and efficiency are greatly dependent on board layout and PAOUT match.
Note 2: 100% tested at T
A
= +125癈. Guaranteed by design and characterization over temperature.
Note 3: 50% duty cycle at 10kHz ASK data (Manchester coded).
Note 4: Guaranteed by design and characterization, not production tested.
Note 5: V
ENABLE
= V
IL
to V
ENABLE
= V
IH
. f
OFFSET
is defined as the frequency deviation from the desired carrier frequency.
Note 6: Dependent on crystal and PCB trace capacitance.
Note 7: V
ENABLE
> V
IH
, V
DATA
> V
IH
, Efficiency = P
OUT
/(V
DD
x I
DD
).
Note 8: Dependent on PCB trace capacitance.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SYSTEM PERFORMANCE
Frequency Range
f
RF
(Note 2)
300
450
MHz
Settle to within 50kHz
200
Turn-On Time (Note 5)
t
ON
Settle to within 5kHz
350
ASK mode (Manchester coded)
100
Maximum Data Rate (Note 4)
FSK mode (Manchester coded)
20
kbps
f
RF
 = 315MHz
55
Maximum FSK Frequency
Deviation
DEV[2:0] = 111
(Note 6)
f
RF
 = 433MHz
80
kHz
T
A
 = +25癈, V
DD
 = +2.7V
6.8
10
12.0
T
A
 = +125癈, V
DD
 = +2.1V
2.7
5.3
Output Power (Note 2)
P
OUT
T
A
 = -40癈, V
DD
 = +3.6V
12.2
16.1
dBm
f
RF
 = 315MHz
35
Transmit Efficiency with CW Tone
(Note 7)
f
RF
 = 433MHz
34
%
f
RF
 = 315MHz
27
Transmit Efficiency at 50% Duty
Cycle
f
RF
 = 433MHz
25
%
PHASE-LOCKED-LOOP PERFORMANCE
VCO Gain
K
VCO
280
MHz/V
f
OFFSET
 = 100kHz
-75
f
RF
 = 315MHz
f
OFFSET
 = 1MHz
-98
f
OFFSET
 = 100kHz
-74
Phase Noise
f
RF
 = 433MHz
f
OFFSET
 = 1MHz
-98
dBc/Hz
f
RF
 = 315MHz
-50
Maximum Carrier Harmonics
f
RF
 = 433MHz
-45
dBc
Reference Spur
-40
dBc
Loop Bandwidth
BW
300
kHz
Crystal Frequency Range
f
XTAL
F
RF
/
 
32
MHz
Crystal Tolerance
50
ppm
Crystal Load Capacitance
C
LOAD
(Note 8)
4.5
pF
Clock Output Frequency
D eter m
i ned b y C LK0 and C LK1; see Tab l e 1
F
XTAL
/N
MHz
AC ELECTRICAL CHARACTERISTICS
(Typical Application Circuit, all RF inputs and outputs are referenced to 50? V
DD
= +2.1V to +3.6V, V
ENABLE
= V
DD
, T
A
= -40癈 to
+125癈, unless otherwise noted. Typical values are at V
DD
= +2.7V, T
A
= +25癈, unless otherwise noted.) (Note 1)
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