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SP Amp LOG Amp Single R-R O/P 5.5V 14-Pin TSSOP Tube


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Overview of AD8304ARUZ

The AD8304ARUZ is a versatile RF/IF gain and phase detector IC designed for use in RF communication systems.It provides accurate measurement of gain and phase differences, making it ideal for applications requiring precise signal detection and analysis.


(Note:The pin configuration below is a general representation.Refer to the specific datasheet for precise details.)

  • VPOS:Positive Power Supply
  • VNEG:Negative Power Supply
  • IN+:Positive Signal Input
  • IN-:Negative Signal Input
  • OUT:Output
  • TEMP:Temperature Sensor Output
  • AGC:Automatic Gain Control Input
  • BUF:Buffered Output
  • COMP:Comparator Output

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the AD8304ARUZ IC for a visual representation.

Key Features

  • RF/IF Gain and Phase Detector:The AD8304ARUZ combines gain and phase detection capabilities in a single IC, enabling accurate signal analysis.
  • Wide Frequency Range:This IC operates over a broad frequency range, making it suitable for various RF and IF applications.
  • High Accuracy:With its precision measurement capabilities,the AD8304ARUZ ensures accurate detection of signal parameters.
  • Temperature Sensor:Includes an integrated temperature sensor for monitoring IC temperature and compensating for temperature effects.
  • Automatic Gain Control:Features an AGC input for automatic gain control functions in RF systems.

Note:For detailed technical specifications,please refer to the AD8304ARUZ datasheet.


  • RF Communication Systems:Ideal for gain and phase detection in RF communication systems,including wireless networks and radar systems.
  • Signal Processing:Used in signal processing applications requiring precise measurement of signal parameters.
  • Feedback Control Systems:Suitable for use in feedback control systems to monitor and adjust signal gain and phase.


The AD8304ARUZ is a comprehensive RF/IF gain and phase detector IC that offers accurate measurement of signal gain and phase differences.It is a reliable solution for applications requiring precise signal detection and analysis.

Usage Guide

  • Power Supply:Connect VPOS(Pin 1) and VNEG(Pin 2) to the positive and negative power supplies, respectively.
  • Signal Input:Connect the IN+(Pin 3) and IN-(Pin 4) pins to the input signal source for gain and phase measurement.
  • Output:Obtain the detected gain and phase information from the OUT(Pin 5) and BUF(Pin 7) outputs, respectively.

Frequently Asked Questions

Q:What is the frequency range supported by the AD8304ARUZ?
A:The AD8304ARUZ operates over a wide frequency range suitable for RF and IF applications.

Q:How does the temperature sensor in the AD8304ARUZ benefit signal detection?
A:The integrated temperature sensor helps monitor IC temperature and compensate for temperature effects on signal measurements.


For similar functionalities, consider these alternatives to the AD8304ARUZ:

  • AD8302:Another RF gain and phase detector IC from Analog Devices offering slightly different specifications or package options.
  • LTC5507:A gain and phase detector IC from Linear Technology with comparable performance characteristics to the AD8304ARUZ.


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Logarithmic Amplifiers RoHS Details
Series AD8304 Amplifier Type Logarithmic Amplifier
Number of Channels 1 Channel 3 dB Bandwidth 10 MHz
Ib - Input Bias Current 400 nA Vos - Input Offset Voltage 20 mV
Supply Voltage - Max 3.6 V Supply Voltage - Min 2.9 V
Operating Supply Current 4.5 mA Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 85 C Mounting Style SMD/SMT
Package / Case TSSOP-14 Bandwidth 10 MHz
Brand Analog Devices Dynamic Range dB 160 dB
Input Voltage Range - Max 5.5 V Operating Supply Voltage 3.3 V
Pd - Power Dissipation 270 mW Product Logarithmic Amplifiers
Product Type Logarithmic Amplifiers Factory Pack Quantity 96
Subcategory Amplifier ICs Type Logarithmic Amplifier
Unit Weight 0.004949 oz

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