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Maxim > Products > [Wireless and RF] 
MAX3507
Upstream CATV Amplifier


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Status
All versions are being discontinued and are subject to Last Time Buy, after which new orders can not be placed.

Data Sheet
FULL DATA SHEET (PDF, 364kB)
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Description
The MAX3507 is a variable-gain power amplifier for use in CATV upstream transmitters. The variable-gain feature has 55dB of dynamic range and is controlled by a 3-wire SPI™ bus. The device is capable of generating +64dBmV output (16QAM/QPSK) when driven with a +34dBmV nominal input signal. The on-chip anti-alias lowpass filter with 75MHz cutoff frequency saves system design cost and space. The optional positive slope generator provides system design flexibility.

The device operates from a single +5V supply and draws 220mA nominal during transmit at max gain (100% duty cycle). For burst-type transmissions, the device is shut off between bursts to minimize noise and save power while still maintaining a match at the output. The device is optimized for high linearity with harmonic levels below -55dBc.

The MAX3507 is available in a 28-pin QFN package and operates over the extended industrial temperature range (-40°C to +85°C).

An evaluation kit is available:  MAX3507EVKIT  

NOTE: This product requires use of the following:

  • MAX3507 PC-Control Software

    Key Features   Applications/Uses
    • Built-In 5th-Order Elliptic Anti-Aliasing Filter
    • 5MHz to 65MHz Operation
    • 55dB Gain Control Range
    • Optional Positive Slope Generator
    • 55dB Spurious-Free Dynamic Range Over Transmit Band

    		 
  		• Cable Modem Upstream Transmitter
  		• Set-Top Box Upstream Transmitter
  		• Telephony-Over-Cable

    Diagram
    MAX3507: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  		• Application Note 780: CATV Upstream Amplifier Selection Guide - MAX3507
  		• Application Note 808: CATV dBm, dBmV, and dBµV Conversions - MAX3507
  		• Application Note 972: CATV Minimum Loss Pad for 75Ω Measurements - MAX3507
  		• Application Note 2866: Converting S-Parameters from 50Ω to 75Ω Impedance - MAX3507

    Evaluation Kits
  		• MAX3507EVKIT

    Design Guides
  		• Wireless (PDF)

    Reliability Reports
  		• Show FIT data for:
  		• Request Reliability Report for:

    Software/Models
  		• MAX3507 PC-Control Software

    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

    MAX3507 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3507EGI+    
    		Last Time Buy QFN;28 pin;26 mm²
    Outline Drawing: 21-0091 (PDF)
    Land Pattern: 90-0278 (PDF)
    Use pkgcode/variation: G2855+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX3507EGI+T    
    		Last Time Buy

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX3507EGI  
    		Last Time Buy QFN;28 pin;26 mm²
    Outline Drawing: 21-0091 (PDF)
    Land Pattern: 90-0278 (PDF)
    Use pkgcode/variation: G2855-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3507EGI-T    
    		Last Time Buy

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet

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     Description 
     Key Features 
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     Diagram 

    		 Data Sheet 
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     Engineering Journals 
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    Document Ref.: 19-2092; Rev 0; 2001-11-01
    This page last modified: 2007-06-28


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