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| 型号： | MAX7032ATJ+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/32页 |
| 文件大小： | 0K |
| 描述： | IC TRASCEIVER ASK/FSK 32TQFN |
| 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： | 2,500 |
| 频率： | 300MHz ~ 450MHz |
| 数据传输率 - 最大： | 33kbps |
| 调制或协议： | ASK，FSK，OOK |
| 应用： | 车库门开启器，遥控，双向 RKE |
| 功率 - 输出： | 10dBm |
| 灵敏度： | -114dBm |
| 电源电压： | 2.1 V ~ 3.6 V，4.5 V ~ 5.5 V |
| 电流 - 接收： | 6.7mA |
| 电流 - 传输： | 12.5mA |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
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ATION
EVALU
AVAIL
19-3685; Rev 2; 11/10
KIT
ABLE
Low-Cost, Crystal-Based, Programmable,
ASK/FSK Transceiver with Fractional-N PLL
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 Ω 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 requirements of
a fractional-N PLL and keeps the receiver current 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
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 Ω 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
? < 23.5 μ A Polling-Mode Current
? < 800nA Shutdown Current
? Fast-On Startup Feature, < 250 μ s
? Small 32-Pin, Thin QFN Package
*0.2% BER, 4kbps Manchester-encoded data, 280kHz IF BW,
average RF power
Ordering Information
Remote Controls
Remote Sensing
PART
MAX7032ATJ+
TEMP RANGE
-40°C to +125°C
PIN-PACKAGE
32 Thin QFN-EP**
Smoke Alarms
Garage Door Openers
+Denotes a lead(Pb)-free/RoHS-compliant package.
**EP = Exposed pad.
Local Telemetry Systems
Pin Configuration, Typical Application Circuit, and
Functional Diagram appear at end of data sheet.
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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| MAX7032EVSYS-315 | 功能描述:射频开发工具 MAX7032 Eval Kit RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
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