MCU-8302 AD8302 wideband Logarithm Amplifier
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The AD8302 is a monolithic logarithmic amplifier designed to accurately convert an RF signal into a corresponding DC voltage. It operates over a wide frequency range, making it suitable for a variety of RF measurement applications. The AD8302 provides a logarithmic response to the input signal, offering a dynamic range of up to 92 dB. It is commonly used in RF power measurement, RSSI (Received Signal Strength Indication), and other RF signal strength applications where accurate and linear signal measurement is crucial.
Key Features:
- Wideband operation: 1 MHz to 8 GHz
- Logarithmic response over a wide dynamic range (up to 92 dB)
- Low power consumption
- Single-supply operation: 2.7V to 5.5V
- Voltage output proportional to input signal strength
- Fast response time
- Small footprint: available in small packages for easy integration
- Frequency Range: 1 MHz to 8 GHz
- Dynamic Range: Up to 92 dB
- Supply Voltage: 2.7V to 5.5V DC
- Output Voltage Range: Vs + 0.3V
- Output Impedance: 50ohms
- RF power measurement
- RSSI (Received Signal Strength Indication)
- Signal strength monitoring
- Wireless communication systems
- Radar systems
- Spectrum analyzers
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment