Overview
The ADL5380ACPZ-R7 is a broadband quadrature I-Q demodulator manufactured by Analog Devices Inc. This device is designed to cover a wide RF/IF input frequency range from 400 MHz to 6 GHz, making it versatile for various high-frequency applications. The ADL5380 is fabricated using Analog Devices' advanced silicon-germanium bipolar process and is available in a 24-lead exposed paddle LFCSP package.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Frequency Range | 400 MHz to 6 GHz | |
| Noise Figure (NF) | 10.9 dB | VS = 5 V, TA = 25°C, fLO = 900 MHz, fIF = 4.5 MHz, PLO = 0 dBm, ZO = 50 Ω |
| Demodulation Conversion Loss | -4.5 dB to -6.5 dB | VS = 5 V, TA = 25°C, fLO = 900 MHz, fIF = 4.5 MHz, PLO = 0 dBm, ZO = 50 Ω |
| Input IP3 (IIP3) | 24 dBm | VS = 5 V, TA = 25°C, fLO = 900 MHz, fIF = 4.5 MHz, PLO = 0 dBm, ZO = 50 Ω |
| Baseband Output Impedance | 50 Ω differential | |
| Baseband Output Voltage Swing | 2 V p-p differential | |
| Baseband Output 3 dB Bandwidth | 390 MHz | |
| LO Drive Level | -6 dBm to +6 dBm | |
| Package Type | 24-lead exposed paddle LFCSP |
Key Features
- Broadband quadrature I-Q demodulation covering 400 MHz to 6 GHz frequency range.
- Low noise figure of 10.9 dB, enhancing signal quality and sensitivity.
- High linearity with an input IP3 of 24 dBm, ensuring minimal distortion in the demodulated signal.
- Differential baseband outputs with a fixed impedance of 50 Ω, suitable for interfacing with ADCs and other differential input devices.
- Flexible input configuration supporting both differential and single-ended drive modes, though differential mode is recommended for optimal performance.
- Exposed paddle package for improved thermal and electrical grounding, reducing thermal impedance to approximately 30°C/W in still air.
Applications
The ADL5380ACPZ-R7 is suitable for a variety of high-frequency applications, including:
- Broadband communication systems, such as 4G and 5G base stations.
- Radar systems, where wideband signal processing is required.
- Test and measurement equipment, where high-frequency signal demodulation is necessary.
- Wireless infrastructure, including cellular and satellite communications.
- Defense and aerospace applications requiring robust and high-performance signal demodulation.
Q & A
- What is the frequency range of the ADL5380ACPZ-R7? The ADL5380ACPZ-R7 covers a frequency range from 400 MHz to 6 GHz.
- What is the noise figure of the ADL5380ACPZ-R7? The noise figure is 10.9 dB.
- What are the recommended drive levels for the LO port? The recommended drive levels for the LO port are between -6 dBm and +6 dBm.
- Can the ADL5380ACPZ-R7 be used in single-ended mode? Yes, but it is recommended to use differential mode for optimal performance. In single-ended mode, there is a degradation in IIP2, especially at high frequencies.
- What is the baseband output impedance of the ADL5380ACPZ-R7? The baseband output impedance is 50 Ω differential.
- What is the typical maximum linear voltage swing for the baseband outputs? The typical maximum linear voltage swing is 2 V p-p differential.
- How should the exposed paddle of the ADL5380ACPZ-R7 be handled? The exposed paddle should be well soldered to a low thermal and electrical impedance ground plane to maximize heat dissipation.
- What is the thermal impedance of the ADL5380ACPZ-R7 in still air? The thermal impedance is approximately 30°C/W in still air.
- What type of balun is recommended for wideband applications? For wideband applications covering the entire frequency range, the TCM1-63AX+ balun from Mini-Circuits is recommended.
- What are some common applications of the ADL5380ACPZ-R7? Common applications include broadband communication systems, radar systems, test and measurement equipment, wireless infrastructure, and defense and aerospace applications.
