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參數(shù)資料
| 型號： | MAX1473EUI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | 315MHz/433MHz ASK Superheterodyne Receiver with Extended Dynamic Range |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO28 |
| 封裝： | ROHS COMPLIANT, TSSOP-28 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 415K |
| 代理商： | MAX1473EUI |
General Description
The MAX1473 fully integrated low-power CMOS super-
heterodyne receiver is ideal for receiving amplitude-
shift-keyed (ASK) data in the 300MHz to 450MHz
frequency range. Its signal range is from -114dBm to
0dBm. With few external components and a low-current
power-down mode, it is ideal for cost- and power-sensi-
tive applications typical in the automotive and consumer
markets. The chip consists of a low-noise amplifier
(LNA), a fully differential image-rejection mixer, an on-
chip phase-locked-loop (PLL) with integrated voltage-
controlled oscillator (VCO), a 10.7MHz IF limiting
amplifier stage with received-signal-strength indicator
(RSSI), and analog baseband data-recovery circuitry.
The MAX1473 also has a discrete one-step automatic
gain control (AGC) that drops the LNA gain by 35dB
when the RF input signal is greater than -57dBm.
The MAX1473 is available in 28-pin TSSOP and 32-pin
thin QFN packages. Both versions are specified for the
extended (-40°C to +85°C) temperature range.
Applications
Security Systems
Home Automation
Local Telemetry
Systems
Automotive Remote Keyless Entry
Garage Door Openers
Remote Controls
Wireless Sensors
Features
o
Optimized for 315MHz or 433MHz ISM Band
o
Operates from Single 3.3V or 5.0V Supplies
o
High Dynamic Range with On-Chip AGC
o
Selectable Image-Rejection Center Frequency
o
Selectable x64 or x32 f
LO
/f
XTAL
Ratio
o
Low 5.2mA Operating Supply Current
o
<2.5μA Low-Current Power-Down Mode for
Efficient Power Cycling
o
250μs Startup Time
o
Built-In 50dB RF Image Rejection
o
Receive Sensitivity of -114dBm
M
315MHz/433MHz ASK Superheterodyne
Receiver with Extended Dynamic Range
________________________________________________________________
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.
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28
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1
2
3
4
5
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14
XTAL2
PWRDN
PDOUT
DATAOUT
V
DD5
DSP
AGCDIS
DFFB
OPP
DSN
DFO
IFIN2
IFIN1
XTALSEL
DV
DD
DGND
MIXOUT
IRSEL
AGND
MIXIN2
MIXIN1
AV
DD
LNAOUT
AGND
LNASRC
LNAIN
AV
DD
XTAL1
TSSOP
THIN QFN
TOP VIEW
MAX1473
3
3
3
2
2
2
2
L
L
A
D
X
X
P
P
2
N
9
1
1
1
1
1
1
M
D
D
D
A
N
X
I
1
I
17
18
19
20
21
22
23
DFO
DSN
OPP
DFFB
N.C.
DSP
V
DD5
8
7
6
5
4
3
2
IRSEL
AGND
MIXIN2
MIXIN1
AV
DD
LNAOUT
AGND
MAX1473
1
N.C.
24
DATAOUT
PART
TEMP RANGE
-40
°
C to +85
°
C
-40
°
C to +85
°
C
PIN-PACKAGE
28 TSSOP
32 Thin QFN
MAX1473EUI
MAX1473ETJ
Pin Configurations
Ordering Information
19-2748; Rev 3; 11/03
Functional Diagram and Typical Application Circuit appear
at end of data sheet.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1473EUI/V+ | 功能描述:射頻接收器 315MHz/434MHz Superheterodyne Rcvr RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MAX1473EUI/V+T | 功能描述:射頻接收器 315MHz/434MHz Superheterodyne Rcvr RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MAX1473EUI+ | 功能描述:射頻接收器 315MHz/434MHz Superheterodyne Rcvr RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MAX1473EUI+T | 功能描述:射頻接收器 315MHz/434MHz Superheterodyne Rcvr RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MAX1473EUI-G05 | 功能描述:射頻接收器 315MHz/434MHz Superheterodyne Rcvr RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
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