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參數資料
| 型號： | MAX7032 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Cost, Crystal-Based, Programmable, ASK/FSK Transceiver with Fractional-N PLL |
| 中文描述： | 低成本、基于晶振的可編程ASK/FSK收發器，帶有N分頻PLL |
| 文件頁數： | 1/32頁 |
| 文件大小： | 449K |
| 代理商： | MAX7032 |
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General Description
The MAX7032 crystal-based, fractional-N transceiver is
designed to transmit and receive ASK/OOK or FSK
data in the 300MHz to 450MHz frequency range with
data rates up to 33kbps (Manchester encoded) or
66kbps (NRZ encoded). This device generates a typi-
cal output power of +10dBm into a 50
load, and
exhibits typical sensitivities of -114dBm for ASK data
and -110dBm for FSK data. The MAX7032 features sep-
arate transmit and receive pins (PAOUT and LNAIN)
and provides an internal RF switch that can be used to
connect the transmit and receive pins to a common
antenna.
The MAX7032 transmit frequency is generated by a 16-
bit, fractional-N, phase-locked loop (PLL), while the
receiver’s local oscillator (LO) is generated by an inte-
ger-N PLL. This hybrid architecture eliminates the need
for separate transmit and receive crystal reference
oscillators because the fractional-N PLL allows the
transmit frequency to be set within 2kHz of the receive
frequency. The 12-bit resolution of the fractional-N PLL
allows frequency multiplication of the crystal frequency
in steps of f
XTAL
/ 4096. Retaining the fixed-N PLL for
the receiver avoids the higher current drain require-
ments of a fractional-N PLL and keeps the receiver cur-
rent drain as low as possible.
The fractional-N architecture of the MAX7032 transmit
PLL allows the transmit FSK signal to be programmed for
exact frequency deviations, and completely eliminates
the problems associated with oscillator-pulling FSK sig-
nal generation. All frequency-generation components are
integrated on-chip, and only a crystal, a 10.7MHz IF filter,
and a few discrete components are required to imple-
ment a complete antenna/digital data solution.
The MAX7032 is available in a small 5mm x 5mm, 32-pin,
thin QFN package, and is specified to operate in the
automotive -40°C to +125°C temperature range.
Applications
2-Way Remote Keyless Entry
Security Systems
Home Automation
Remote Controls
Remote Sensing
Smoke Alarms
Garage Door Openers
Local Telemetry Systems
Features
+2.1V to +3.6V or +4.5V to +5.5V Single-Supply
Operation
Single Crystal Transceiver
User-Adjustable 300MHz to 450MHz Carrier
Frequency
ASK/OOK and FSK Modulation
User-Adjustable FSK Frequency Deviation
Through Fractional-N PLL Register
Agile Transmitter Frequency Synthesizer with
f
XTAL
/ 4096 Carrier-Frequency Spacing
+10dBm Output Power into 50
Load
Integrated TX/RX Switch
Integrated Transmit and Receive PLL, VCO, and
Loop Filter
> 45dB Image Rejection
Typical RF Sensitivity*
ASK: -114dBm
FSK: -110dBm
Selectable IF Bandwidth with External Filter
RSSI Output with High Dynamic Range
Autopolling Low-Power Management
< 12.5mA Transmit-Mode Current
< 6.7mA Receive-Mode Current
< 23.5μA Polling-Mode Current
< 800nA Shutdown Current
Fast-On Startup Feature, < 250μs
Small 32-Pin, Thin QFN Package
M
Low-Cost, Crystal-Based, Programmable,
ASK/FSK Transceiver with Fractional-N PLL
________________________________________________________________
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
Ordering Information
19-3685; Rev 0; 5/05
PART
TEMP RANGE
PIN-PACKAGE
PKG
CODE
MAX7032ATJ
-40°C to +125°C 32 Thin QFN-EP** T3255-3
*0.2% BER, 4kbps Manchester-encoded data, 280kHz IF BW,
average RF power
**
EP = Exposed paddle.
Pin Configuration, Typical Application Circuit, and
Functional Diagram appear at end of data sheet.
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| MAX7032_09 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Cost, Crystal-Based, Programmable, ASK/FSK Transceiver with Fractional-N PLL |
| MAX7032_10 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Cost, Crystal-Based, Programmable, ASK/FSK Transceiver with Fractional-N PLL |
| MAX7032ATJ | 制造商:Maxim Integrated Products 功能描述:LOW-COST,CRYSTAL-BASED,308MHZ,315MHZ,&433.92M - Rail/Tube |
| MAX7032ATJ+ | 功能描述:射頻收發器 Crystal-Based Prog ASK/FSK Transceiver RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數據速率:2000 Kbps 調制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
| MAX7032ATJ+T | 功能描述:射頻收發器 Crystal-Based Prog ASK/FSK Transceiver RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數據速率:2000 Kbps 調制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
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