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MAX7033
315MHz/433MHz ASK Superheterodyne Receiver with AGC Lock

300MHz to 450MHz Superheterodyne Receiver with Integrated Image Rejection Operates Up to +105°C


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 836kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX7033 fully integrated low-power CMOS superheterodyne receiver is ideal for receiving amplitude-shift-keyed (ASK) data in the 300MHz to 450MHz frequency range. The receiver has an RF input signal range of -114dBm to 0dBm. With few external components and a low-current power-down mode, it is ideal for cost-sensitive and power-sensitive applications typical in the automotive and consumer markets. The MAX7033 consists 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 MAX7033 also has a discrete one-step automatic gain control (AGC) that reduces the LNA gain by 35dB when the RF input signal exceeds -62dBm. The AGC circuitry offers an externally controlled hold feature.

The MAX7033 is available in a 28-pin TSSOP package and is specified over the extended (-40°C to +105°C) temperature range.

An evaluation kit is available:  MAX7033EVKIT  

Key Features   Applications/Uses
  • Optimized for 315MHz or 433MHz Band
  • Operates from Single +3.3V or +5.0V Supplies
  • High Dynamic Range with On-Chip AGC
  • AGC Hold Circuit
  • 1ms AGC Release Time
  • Selectable Image-Rejection Center Frequency
  • Selectable x64 or x32 fLO/fXTAL Ratio
  • Low 5.2mA Operating Supply Current
  • <3.5µA Low-Current Power-Down Mode for Efficient Power Cycling
  • 250µs Startup Time
  • Built-In 44dB RF Image Rejection
  • Better than -114dBm Receive Sensitivity
  • -40°C to +105°C Operation
  • Underwriters Laboratories (UL®) Recognized

  
  		• Automotive Remote Keyless Entry
  		• Garage Door Openers
  		• Home Automation
  		• Local Telemetry
  		• Remote Controls
  		• Security Systems
  		• Wireless Sensors

    Key Specifications:  ISM RF Receivers
    Part Number ISUPPLY
    (mA)    		 Applications Solutions Band/ Freq.
    (MHz)    		 Features Footprint
    (mm x mm)    		 Package/Pins Smallest Available Pckg.
    (mm2)    		 Price
    max w/pins See Notes
    MAX7033  5.2 ISM
    300MHz to 450MHz
    400MHz
    		 300 to 450
    -40C to 105C operation
    1ms AGC Release Time
    5.2mA Operating Supply Current
    44dB RF Image_Rejection
    <3.5uA Power_down mode
    AGC Lock feature
    Better than -114dBm Receive Sensitivity
    On-Chip PLL, VCO and Loop Filter
    Operates from Single 3.3V or 5.0V Supplies
    5.0 x 5.0
    6.3 x 9.7
    TQFN/32
    TSSOP/28
    		 26 $2.20 @1k
    See All ISM RF Receivers (7)

    Diagram
    MAX7033: Typical Application Circuit
    Typical Application Circuit

    Application Notes
  		• Application Note 3395: Requirements of Remote Keyless Entry (RKE) Systems - MAX7033
  		• Application Note 3435: Manchester Data Encoding for Radio Communications - MAX7033

    Evaluation Kits
  		• MAX7033EVKIT

    Design Guides
  		• Wireless (PDF)

    Reliability Reports
  		• Show FIT data for:
  		• Request Reliability Report for:
  		• Underwriters Laboratories (UL®) Recognized

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-6 of 6

    MAX7033 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7033ETJ+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX7033ETJ+    
    		Active TQFN;32 pin;26 mm²
    Outline Drawing: 21-0140 (PDF)
    Land Pattern: 90-0001 (PDF)
    Use pkgcode/variation: T3255+3*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7033EUI+  
    		Active TSSOP;28 pin;65 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0171 (PDF)
    Use pkgcode/variation: U28+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7033EUI+T    
    		Active TSSOP;28 pin;65 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0171 (PDF)
    Use pkgcode/variation: U28+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7033EUI    
    		Active TSSOP;28 pin;65 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0171 (PDF)
    Use pkgcode/variation: U28-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7033EUI-T    
    		Active TSSOP;28 pin;65 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0171 (PDF)
    Use pkgcode/variation: U28-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis

    More Information
  		• New Product Press Release 2004-04-30 
  		• Product Family Ad: Download

    Related Products
    MAX1470 315MHz Low-Power, +3V Superheterodyne Receiver
    MAX1473 315MHz/433MHz ASK Superheterodyne Receiver with Extended Dynamic Range
    MAX1472 300MHz-to-450MHz Low-Power, Crystal-Based ASK Transmitter
    MAX7044 300MHz to 450MHz High-Efficiency, Crystal-Based +13dBm ASK Transmitter

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    Document Ref.: 19-3273; Rev 1; 2004-08-18
    This page last modified: 2008-08-29


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