MAX7030MATJ-T

更新时间： 2024-09-15 13:11:03

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MAX7030MATJ-T 数据手册

19-3706; Rev 0; 5/05

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

ASK Transceiver with Fractional-N PLL

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.

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

Operation

♦ Single-Crystal Transceiver

♦ Factory-Preset Frequency (No Serial Interface

Required)

♦ ASK/OOK Modulation

♦ +10dBm Output Power into 50Ω Load

♦ Integrated TX/RX Switch

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.

♦ Integrated Transmit and Receive PLL, VCO, and

Loop Filter

♦ > 45dB Image Rejection

♦ Typical RF Sensitivity*: -114dBm

♦ Selectable IF Bandwidth with External Filter

♦ < 12.5mA Transmit-Mode Current

♦ < 6.7mA Receive-Mode Current

♦ < 800nA Shutdown Current

♦ Fast-On Startup Feature, <250µs

♦ 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.

Ordering Information

†

Consult factory for availability.

PKG

CODE

Applications

PART

TEMP RANGE PIN-PACKAGE

2-Way Remote Keyless Entry

MAX7030_ATJ -40°C to +125°C 32 Thin QFN-EP** T3255-3

Security Systems

**EP = Exposed paddle.

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

Product Selector Guide

Smoke Alarms

Garage Door Openers

Local Telemetry Systems

PART

CARRIER FREQUENCY (MHz)

MAX7030LATJ

MAX7030MATJ

MAX7030HATJ

315

345

433.92

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/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...20

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与MAX7030MATJ-T相关器件

型号	品牌	获取价格	描述	数据表
MAX7031	MAXIM	获取价格	Low-Cost, 308MHz, 315MHz, and 433.92MHz FSK Transceiver with Fractional-N PLL
MAX7031_09	MAXIM	获取价格	Low-Cost, 308MHz, 315MHz, and 433.92MHz FSK Transceiver with Fractional-N PLL
MAX7031_10	MAXIM	获取价格	Low-Cost, 308MHz, 315MHz, and 433.92MHz FSK Transceiver with Fractional-N PLL
MAX7031_ATJ+	MAXIM	获取价格	Low-Cost, 308MHz, 315MHz, and 433.92MHz FSK Transceiver with Fractional-N PLL
MAX7031ATJ	MAXIM	获取价格	Low-Cost, 308MHz, 315MHz, and 433.92MHz FSK Transceiver with Fractional-N PLL
MAX7031HATJ17	ROCHESTER	获取价格	SPECIALTY TELECOM CIRCUIT, QCC32, 5 X 5 MM, 0.80 MM HEIGHT, MO-220-WHHD-2, QFN-32
MAX7031HATJ17+	MAXIM	获取价格	Telecom Circuit, 1-Func, CMOS, 5 X 5 MM, ROHS COMPLIANT, QFN-32
MAX7031HATJ17+T	MAXIM	获取价格	Telecom Circuit, 1-Func, CMOS, 5 X 5 MM, 0.8 MM, HEIGHT, MO-220-WHHD-2, QFN-32
MAX7031HATJ17-T	MAXIM	获取价格	Telecom Circuit, 1-Func, CMOS, 5 X 5 MM, 0.8 MM, HEIGHT, MO-220-WHHD-2, QFN-32
MAX7031HATJ51	MAXIM	获取价格	Telecom Circuit, 1-Func, CMOS, 5 X 5 MM, 0.80 MM HEIGHT, MO-220-WHHD-2, QFN-32

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