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MAX2753
2.4GHz, Monolithic Voltage-Controlled Oscillator with Differential Outputs

First 2.4GHz VCO with Differential Output

Recommended Upgrades for New Designs
Part Number Replacement Explanation
MAX2753EUA MAX2750 This part remains available but is not recommended for new designs.
MAX2753EUA+ MAX2750EUA+
MAX2753EUA+T MAX2750EUA+
MAX2753EUA-T MAX2750EUA+


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Data Sheet
FULL DATA SHEET (PDF, 148kB)
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Description
The MAX2753 is a self-contained voltage-controlled oscillator (VCO) intended for use in 2.4GHz radios that utilize a low-IF or zero-IF architecture. It combines a fully integrated oscillator and output buffer in a miniature 8-pin µMAX® package.

The inductor and varactor elements of the tank are integrated on-chip, greatly simplifying application of the part. The only required external components are a couple of supply bypass capacitors. The MAX2753 provides direct connection to the VCO tuning voltage input and the VCO buffer output. The tuning voltage input range is +0.4V to +2.4V, and the oscillator frequency tuning range is factory adjusted to provide guaranteed limits. The output signal is buffered by an amplifier stage (internally matched to 50Ω ) to provide higher output power and isolate the device from load impedance variations. In addition, the MAX2753 provides differential outputs.

The MAX2753 operates over a +2.7V to +5.5V supply voltage range. Internal regulation of the oscillator supply voltage eliminates the need for an external LDO regulator for the VCO. The MAX2753 also provides a digitally controlled shutdown mode to permit implementation of sophisticated power-supply management. In shutdown, the supply current is reduced to less than 1µA.

Key Features   Applications/Uses
  • Guaranteed Frequency Tuning Range: 2400MHz to 2500MHz
  • Compatible with Low-IF or Zero-IF Radio Architectures
  • Differential Outputs
  • On-Chip Tank Circuit
  • Internally Matched Output Buffer Amplifier
  • 1µA Shutdown Mode
  • +2.7V to +5.5V Supply Voltage Range
  • Miniature 8-Pin µMAX Package

 
  • 2.4GHz Bluetooth® ISM Proprietary Radio
  • 802.11 FHSS WLAN
  • HomeRF

    Diagram
    MAX2753: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  • Application Note 1768: Tracking Advances in VCO Technology - MAX2753

    Evaluation Kits
  • MAX2753EVKIT

    Design Guides
  • WIRELESS (PDF)

    Reliability Reports
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    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: 1-4 of 4

    MAX2753 Free
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    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX2753EUA-T  
    uMAX;8 pin;
    Dwg: 21-0036K (PDF)
    Use pkgcode/variation: U8-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX2753EUA  
    uMAX;8 pin;
    Dwg: 21-0036K (PDF)
    Use pkgcode/variation: U8-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX2753EUA+T  
    uMAX;8 pin;
    Dwg: 21-0036K (PDF)
    Use pkgcode/variation: U8+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX2753EUA+  
    uMAX;8 pin;
    Dwg: 21-0036K (PDF)
    Use pkgcode/variation: U8+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  • New Product Press Release 2001-02-19 

    Related Products
    MAX2644 2.4GHz SiGe, High IP3 Low-Noise Amplifier
    MAX2242 2.4GHz to 2.5GHz Linear Power Amplifier
    MAX2750, MAX2751, MAX2752 2.4GHz Monolithic Voltage-Controlled Oscillators

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     Description 
     Key Features 
     Applications/Uses 
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     Diagram 

     Data Sheet 
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    Document Ref.: 19-1913; Rev 0; 2001-01-01
    This page last modified: 2007-06-14



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