AD8369ARUZ

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: RF Power Detector
• Characteristics:
  • High accuracy power measurement
  • Wide dynamic range
  • Low power consumption
• Package: 16-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Monolithic logarithmic amplifier and controller
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Frequency Range: DC to 2.5 GHz
• Dynamic Range: -65 dBm to +5 dBm
• Temperature Range: -40°C to +85°C
• Gain Error: ±1 dB
• Output Impedance: 50 Ω
• Operating Current: 4.5 mA

Detailed Pin Configuration

The AD8369ARUZ has a total of 16 pins. The pin configuration is as follows:

1. VPOS: Positive supply voltage
2. GND: Ground
3. INP: Positive input terminal
4. INM: Negative input terminal
5. VSET: Control voltage for setting the output voltage scaling factor
6. VOUT: Output voltage
7. VREF: Reference voltage
8. AGC: Automatic Gain Control voltage
9. VLOG: Logarithmic output voltage
10. RSSI: Received Signal Strength Indicator output voltage
11. VPS: Positive supply voltage for internal circuitry
12. VNS: Negative supply voltage for internal circuitry
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• Accurate power detection over a wide frequency range
• Logarithmic amplification of input signal
• Automatic Gain Control (AGC) for maintaining a constant output level
• Temperature compensation for improved accuracy
• Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages

• High accuracy power measurement
• Wide dynamic range allows for precise detection of both weak and strong signals
• Low power consumption extends battery life in portable applications
• Monolithic design simplifies circuit integration

Disadvantages

• Limited frequency range up to 2.5 GHz
• Gain error of ±1 dB may introduce slight inaccuracies in power measurement

Working Principles

The AD8369ARUZ is based on a monolithic logarithmic amplifier and controller architecture. It operates by converting the input RF signal into a logarithmic voltage representation. This logarithmic amplification allows for accurate power measurement over a wide dynamic range. The AGC circuitry ensures that the output voltage remains constant, compensating for variations in the input signal strength. Temperature compensation techniques are employed to maintain accuracy across different operating conditions.

Detailed Application Field Plans

The AD8369ARUZ finds applications in various fields where accurate RF power detection is required. Some potential application areas include: - Wireless communication systems - Radar systems - Satellite communication - Test and measurement equipment - Power monitoring and control systems

Detailed and Complete Alternative Models

• ADL5511: RF Power Detector with a frequency range up to 6 GHz
• AD8318: Logarithmic Amplifier with a wider dynamic range and higher accuracy
• ADL5904: RMS Power Detector with temperature compensation and integrated gain control

These alternative models offer similar functionalities and can be considered depending on specific requirements.

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