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MAX4003
100MHz to 2500MHz, 45dB RF Detector in a UCSP

Industry's Smallest Quad-Band, 2.5GHz, 45dB RF Power Amplifier Detector Saves 80% Board Space


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Data Sheet
FULL DATA SHEET (PDF, 508kB)
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Description
The MAX4003 low-cost, low-power logarithmic amplifier is designed to detect the power levels of RF power amplifiers (PAs) operating from 100MHz to 2500MHz. A typical dynamic range of 45dB makes this logarithmic amplifier useful in a variety of wireless applications including cellular handset PA control, TSSI for wireless terminal devices, and other transmitter power measurements. This logarithmic amplifier provides much wider measurement range and superior accuracy than typical diode-based detectors. Excellent temperature stability is achieved over the full operating range of -40°C to +85°C.

The MAX4003 logarithmic amplifier is a voltage-measuring device with a typical signal range of -58dBV to -13dBV. The input signal is internally AC-coupled by an on-chip 5pF capacitor in series with a 2kΩ resistance. This highpass coupling, with a corner at 16MHz, sets the lowest operating frequency and allows the input signal source to be DC grounded. The MAX4003 also features a power-on delay, which holds the detector output (OUT) low for approximately 5µs to ensure glitchless controller output.

The MAX4003 is available in an 8-bump chip-scale package (UCSP™), an 8-pin µMAX® package, and an 8-pin thin QFN package. The device consumes 5.9mA with a 3.0V supply and only 13µA when the device is in shutdown.

Key Features   Applications/Uses
  • Complete RF Detector
  • Frequency Range from 100MHz to 2500MHz
  • Input Range of -58dBV to -13dBV (-45dBm to 0dBm into 50Ω )
  • Fast Response: 70ns in 10dB Steps
  • Low-Current Consumption: 5.9mA at VCC = 3.0V
  • 13µA (typ) Shutdown Current
  • Available in 8-Bump UCSP or 8-Pin µMAX and Thin QFN Packages

 
  		• Cellular Handsets (TDMA, CDMA, GPRS, GSM)
  		• RSSI for Fiber Modules
  		• Transmitter Power Measurement and Control
  		• TSSI for Wireless Terminal Devices

    Key Specifications:   RF Power Detectors
    Part Number VCC (min) (V) VCC (max) (V) ICC (typ) (mA) Input Frequency Range Input Power Range (50Ω Term) (dBm) Footprint (mm x mm) Package Operating Temp. Range (°C) Price**
    MAX4003  2.7 5.5 5.9 100MHz to 2.5GHz -45 to 0 1.5 x 1.5
    3.0 x 3.0
    3.0 x 3.5     		THIN QFN (Dual)/8
    UCSP/0
    UCSP/8
    uMAX/8     		-40 to +85 $0.98 @ 1k
    See All RF Power Detectors (15)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    Application Notes
  		• Application Note 3611: Integrated DC Logarithmic Amplifiers - MAX4003

    Evaluation Kits
  		• MAX4003EVKIT

    Design Guides
  		• Amplifiers/Comparators (PDF)

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

    Software/Models
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    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: 1-13 of 13

    MAX4003 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4003ETA+T  
    		TDFN;8 pin;
    Dwg: 21-0137 (PDF)
    Use pkgcode/variation: T833+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4003ETA+  
    		TDFN;8 pin;
    Dwg: 21-0137 (PDF)
    Use pkgcode/variation: T833+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4003ETA  
    		THIN QFN (Dual);8 pin;
    Dwg: 21-0137 (PDF)
    Use pkgcode/variation: T833-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4003ETA-T  
    		THIN QFN (Dual);8 pin;
    Dwg: 21-0137 (PDF)
    Use pkgcode/variation: T833-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4003EBL+  
    		UCSP;8 pin;
    Dwg: 21-0093 (PDF)
    Use pkgcode/variation: B9+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4003EBL  
    		UCSP;8 pin;
    Dwg: 21-0093 (PDF)
    Use pkgcode/variation: B9-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4003EBL+T  
    		UCSP;8 pin;
    Dwg: 21-0093 (PDF)
    Use pkgcode/variation: B9+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4003EBL-T  
    		UCSP;8 pin;
    Dwg: 21-0093 (PDF)
    Use pkgcode/variation: B9-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4003EUA+T  
    		uMAX;8 pin;
    Dwg: 21-0036 (PDF)
    Use pkgcode/variation: U8+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4003EUA+  
    		uMAX;8 pin;
    Dwg: 21-0036 (PDF)
    Use pkgcode/variation: U8+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4003EUA-T  
    		uMAX;8 pin;
    Dwg: 21-0036 (PDF)
    Use pkgcode/variation: U8-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4003EUA  
    		uMAX;8 pin;
    Dwg: 21-0036 (PDF)
    Use pkgcode/variation: U8-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4003EUA-C1D  
    		uMAX;8 pin;
    Dwg: 21-0036 (PDF)
    Use pkgcode/variation: U8-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis

    More Information
  		• Topmark Coding: MAX4003
  		• New Product Press Release 2002-11-19 

    Related Products
    MAX4000, MAX4001, MAX4002 2.5GHz 45dB RF-Detecting Controllers

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    Document Ref.: 19-2620; Rev 1; 2003-03-20
    This page last modified: 2007-08-01




             


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