MAX7034 Maxim Integrated Products, MAX7034 Datasheet

MAX7034

Manufacturer Part Number

MAX7034

Description

315MHz/434MHz ASK Superheterodyne Receiver

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX7034.pdf (13 pages)

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Download datasheet (248Kb)

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The MAX7034 fully integrated low-power CMOS super-

heterodyne receiver is ideal for receiving amplitude-

shift-keyed (ASK) data in the 300MHz to 450MHz

frequency range (including the popular 315MHz and

433.92MHz frequencies). The receiver has an RF sensi-

tivity of -114dBm. With few external components and a

low-current power-down mode, it is ideal for cost-sensi-

tive and power-sensitive applications typical in the

automotive and consumer markets. The MAX7034 con-

sists 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 MAX7034 is available in a 28-pin TSSOP package

and is specified over the automotive (-40°C to +125°C)

temperature range.

19-3109; Rev 0; 1/08

Automotive Remote

Keyless Entry

Security Systems

Garage Door Openers

Typical Application Circuit appears at end of data sheet.

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.

________________________________________________________________ Maxim Integrated Products

315MHz/434MHz ASK Superheterodyne

General Description

Home Automation

Remote Controls

Local Telemetry

Wireless Sensors

Applications

♦ Optimized for 315MHz or 433.92MHz Band

♦ Operates from Single +5.0V Supply

♦ Selectable Image-Rejection Center Frequency

♦ Selectable x64 or x32 f

♦ Low (< 6.7mA) Operating Supply Current

♦ < 3.0µA Low-Current Power-Down Mode for

♦ 250µs Startup Time

♦ Built-In 44dB RF Image Rejection

♦ Excellent Receive Sensitivity Over Temperature

♦ -40°C to +125°C Operation

+ Denotes a lead-free package.

T = Tape-and-reel.

MAX7034AUI+T

Efficient Power Cycling

PART

TOP VIEW

LNASRC

LNAOUT

MIXOUT

MIXIN1

MIXIN2

XTAL1

LNAIN

DGND

AGND

IRSEL

-40°C to +125°C

TEMP RANGE

Ordering Information

MAX7034

TSSOP

Pin Configuration

XTAL

Receiver

Ratio

PIN-

PACKAGE

28 TSSOP

(9.7mm x

4.4mm)

XTAL2

SHDN

PDOUT

DATAOUT

DSP

DFFB

OPP

DSN

DFO

IFIN2

IFIN1

XTALSEL

EN_REG

DD5

Features

PKG

CODE

U28-1

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