Datasheet > MAX7030_09

MAX7030_09

更新时间： 2024-11-05 11:15:03

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
20页	240K
描述
Low-Cost, 315MHz, 345MHz, and 433.92MHz ASK Transceiver with Fractional-N PLL

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MAX7030_09 数据手册

19-3706; Rev 2; 6/09

Low-Cost, 315MHz, 345MHz, and 433.92MHz

ASK Transceiver with Fractional-N PLL

MAX730

General Description

Features

The MAX7030 crystal-based, fractional-N transceiver is

designed to transmit and receive ASK/OOK data at fac-

tory-preset carrier frequencies of 315MHz, 345MHz^†, or

433.92MHz with data rates up to 33kbps (Manchester

encoded) or 66kbps (NRZ encoded). This device gen-

erates a typical output power of +10dBm into a 50Ω

load, and exhibits typical sensitivity of -114dBm. The

MAX7030 features separate 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.

o +2.1V to +3.6V or +4.5V to +5.5V Single-Supply

Operation

o Single-Crystal Transceiver

o Factory-Preset Frequency (No Serial Interface

Required)

o ASK/OOK Modulation

o +10dBm Output Power into 50Ω Load

o Integrated TX/RX Switch

o Integrated Transmit and Receive PLL, VCO, and

The MAX7030 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 is preset to be

10.7MHz above the receive LO. 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. 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 implement a complete

antenna/digital data solution.

Loop Filter

o > 45dB Image Rejection

o Typical RF Sensitivity*: -114dBm

o Selectable IF Bandwidth with External Filter

o < 12.5mA Transmit-Mode Current

o < 6.7mA Receive-Mode Current

o < 800nA Shutdown Current

o Fast-On Startup Feature, < 250µs

o Small, 32-Pin, Thin QFN Package

*0.2% BER, 4kbps Manchester-encoded data, 280kHz IF BW

The MAX7030 is available in a small, 5mm x 5mm, 32-

pin thin QFN package, and is specified to operate over

the automotive -40°C to +125°C temperature range.

†

Consult factory for availability.

Ordering Information

Applications

2-Way Remote Keyless Entry

PART

TEMP RANGE

PIN-PACKAGE

MAX7030_ATJ+

-40°C to +125°C

32 Thin QFN-EP**

Security Systems

+Denotes a lead(Pb)-free/RoHS-compliant package.

**EP = Exposed pad.

Note: The MAX7030 is available with factory-preset operating

frequencies. See the Product Selector Guide for complete part

numbers.

Home Automation

Remote Controls

Remote Sensing

Smoke Alarms

Garage Door Openers

Local Telemetry Systems

Product Selector Guide

PART

CARRIER FREQUENCY (MHz)

MAX7030LATJ+

MAX7030MATJ+

MAX7030HATJ+

315

345

†

433.92

†

Contact factory for availability.

Pin Configuration, Typical Application Circuit, and

Functional Diagram appear at end of data sheet.

________________________________________________________________ Maxim Integrated Products

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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与MAX7030_09相关器件

型号	品牌	获取价格	描述	数据表
MAX7030_10	MAXIM	获取价格	Low-Cost, 315MHz, 345MHz, and 433.92MHz ASK Transceiver with Fractional-N PLL
MAX7030_ATJ+	MAXIM	获取价格	Low-Cost, 315MHz, 345MHz, and 433.92MHz ASK Transceiver with Fractional-N PLL
MAX7030_V4	MAXIM	获取价格	Low-Cost, 315MHz and 433.92MHz ASK Transceiver with Fractional-N PLL
MAX-703-0512	SLPOWER	获取价格	700, 750 WATTS MULTIPLE OUTPUT
MAX7030-ATJ	MAXIM	获取价格	Low-Cost, 315MHz, 345MHz, and 433.92MHz ASK Transceiver with Fractional-N PLL
MAX7030HATJ	MAXIM	获取价格	Low-Cost, 315MHz, 345MHz, and 433.92MHz ASK Transceiver with Fractional-N PLL
MAX7030HATJ+	MAXIM	获取价格	Low-Cost, 315MHz, 345MHz, and 433.92MHz ASK Transceiver with Fractional-N PLL
MAX7030HATJ+T	MAXIM	获取价格	暂无描述
MAX7030HATJ-T	MAXIM	获取价格	Telecom IC, CMOS, PQCC32,
MAX7030LATJ	MAXIM	获取价格	Low-Cost, 315MHz, 345MHz, and 433.92MHz ASK Transceiver with Fractional-N PLL

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