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參數資料
| 型號： | MAX1479ATE+T |
| 廠商： | Maxim Integrated |
| 文件頁數： | 3/10頁 |
| 文件大小： | 265K |
| 描述： | IC TRANSM ASK/FSK 16-TQFN |
| 其它有關文件： | Automotive Product Guide |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 頻率： | 300MHz ~ 450MHz |
| 應用： | ISM，車庫門開啟器，RKE |
| 調制或協議： | ASK，FSK，OOK |
| 數據傳輸率 - 最大： | 100 kbps |
| 功率 - 輸出： | 2.7dBm ~ 16.1dBm |
| 電流 - 傳輸： | 6.7mA ~ 10.5mA |
| 數據接口： | PCB，表面貼裝 |
| 天線連接器： | PCB，表面貼裝 |
| 電源電壓： | 2.1 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 125°C |
| 封裝/外殼： | 16-WFQFN 裸露焊盤 |
| 包裝： | 帶卷 (TR) |
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
祍
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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