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參數(shù)資料
| 型號： | MAX1479 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 300MHz to 450MHz Low-Power, Crystal-Based +10dBm ASK/FSK Transmitter |
| 中文描述： | 300MHz至450MHz、低功耗、基于晶振的+10dBm ASK/FSK發(fā)送器 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 635K |
| 代理商： | MAX1479 |
General Description
The MAX1479 crystal-referenced phase-locked-loop
(PLL) VHF/UHF transmitter is designed to transmit ASK,
OOK, and FSK data in the 300MHz to 450MHz frequency
range. The MAX1479 supports data rates up to 100kbps
in ASK mode and 20kbps in FSK mode (both
Manchester coded). The device provides an adjustable
output power of more than +10dBm into a 50
load. The
crystal-based architecture of the MAX1479 eliminates
many of the common problems of SAW-based transmit-
ters by providing greater modulation depth, faster fre-
quency settling, higher tolerance of the transmit
frequency, and reduced temperature dependence.
These improvements enable better overall receiver per-
formance when using the MAX1479 together with a
superheterodyne receiver such as the MAX1470,
MAX1471, MAX1473, or MAX7033.
The MAX1479 is available in a 16-pin thin QFN pack-
age (3mm x 3mm) and is specified for the automotive
temperature range from -40°C to +125°C.
Applications
Remote Keyless Entry
Tire Pressure Monitoring
Security Systems
Radio-Controlled Toys
Wireless Game Consoles
Wireless Computer Peripherals
Wireless Sensors
RF Remote Controls
Garage Door Openers
Features
ETSI-Compliant EN300 220
+2.1V to +3.6V Single-Supply Operation
Supports ASK, OOK, and FSK Modulations
Adjustable FSK Shift
+10dBm Output Power into 50
Load
Low Supply Current (6.7mA in ASK Mode,
and 10.5mA in FSK Mode)
Uses Small Low-Cost Crystal
Small 16-Pin Thin QFN Package
Fast-On Oscillator—200μs Startup Time
Programmable Clock Output
M
300MHz to 450MHz Low-Power,
Crystal-Based +10dBm ASK/FSK Transmitter
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
16
15
14
13
9
10
11
12
CLK0
CLK1
DEV0
DEV1
TOP VIEW
4
3
2
1
ENABLE
EP
DIN
MODE
V
DD
5
6
7
8
V
D
P
C
P
R
MAX1479
G
X
X
D
THIN QFN
(3mm x 3mm)
Pin Configuration
Ordering Information
MAX1479
ENABLE
DIN
MODE
V
DD
C
V
D
P
R
P
CLK0
CLK1
DEV0
DEV1
D
X
X
G
CRYSTAL
DRIVER
4
3
2
1
5
6
7
8
9
10
11
12
13
14
15
16
CLOCK
DIVIDER
DIVIDE
BY 32
LOOP
FILTER
ASK
FSK
PA
ENVELOPE
SHAPING
DEVIATION
PD/CP
VCO
Functional Diagram
19-3353; Rev 0; 8/04
*
EP = Exposed paddle.
PART
TEMP RANGE
-40°C to +125°C
PIN-PACKAGE
16 Thin QFN-EP*
MAX1479ATE
Typical Application Circuit appears at end of data sheet.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1479ATE | 300MHz to 450MHz Low-Power, Crystal-Based +10dBm ASK/FSK Transmitter |
| MAX1480A | Complete, Isolated RS-485/RS-422 Data Interface(半雙工，完全隔離的RS-485/422收發(fā)器) |
| MAX1480B | Complete, Isolated RS-485/RS-422 Data Interface(半雙工，完全隔離的RS-485/422收發(fā)器) |
| MAX1480C | Complete, Isolated RS-485/RS-422 Data Interface(半雙工，完全隔離的RS-485/422收發(fā)器) |
| MAX1490A | Complete, Isolated RS-485/RS-422 Data Interface(2.5Mbps，全雙工，完全隔離的RS-485/422收發(fā)器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1479ATE | 功能描述:射頻發(fā)射器 RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
| MAX1479ATE+ | 功能描述:射頻發(fā)射器 300MHz - 450MHz ASK/FSK Transmitter RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
| MAX1479ATE+T | 功能描述:射頻發(fā)射器 300MHz - 450MHz ASK/FSK Transmitter RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
| MAX1479ATE-T | 功能描述:射頻發(fā)射器 RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
| MAX1479EVKIT-315 | 功能描述:射頻開發(fā)工具 MAX1479 Eval Kit RoHS:否 制造商:Taiyo Yuden 產(chǎn)品:Wireless Modules 類型:Wireless Audio 工具用于評估:WYSAAVDX7 頻率: 工作電源電壓:3.4 V to 5.5 V |
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