Overview
The ADL5920ACPZ-R7 is a directional bridge with integrated RMS power detection, manufactured by Analog Devices Inc. This device is designed for wideband operation, covering frequencies from 9 kHz to 7 GHz. It is particularly useful for measuring forward and reverse power, as well as return loss in various RF systems. The ADL5920 features a bidirectional bridge that allows for dc-coupled measurements and supports small amounts of dc bias current through the bridge. The device operates on a 5 V supply and has a low power, power-down mode, making it versatile for different applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Frequency Range | 9 kHz | - | 7 GHz | - |
| Input Range | -19 dBm | - | 30 dBm (open and shorted terminations), 33 dBm (matched termination) | - |
| Insertion Loss | - | - | - | - |
| Supply Voltage | 4.9 V | 5 V | 5.1 V | V |
| Supply Current | - | 160 mA | - | mA |
| Operating Temperature | -40°C | - | +85°C | °C |
| Package Type | - | - | 32-lead, 5 mm × 5 mm LFCSP | - |
Key Features
- Wideband matched operation from 9 kHz to 7 GHz.
- Forward and reverse power and return loss measurement capabilities.
- 49 dB ±1.0 dB input range with a minimum input level of -19 dBm at 1 GHz.
- Linear in dB rms (crest factor insensitive) outputs.
- Externally adjustable output through the VOCM pin.
- Low power, power-down mode controlled through the PWDN/TADJS pin.
- DC-coupled bidirectional bridge allowing for measurements down to 9 kHz.
- ROHS3 compliant and MSL 1 (Unlimited) rated.
Applications
- RF power measurement in various communication systems.
- Return loss and reflection coefficient measurements.
- Antenna tuning and matching networks.
- Base station and repeater systems.
- Test and measurement equipment.
Q & A
- What is the frequency range of the ADL5920?
The ADL5920 operates from 9 kHz to 7 GHz.
- What is the input range of the ADL5920?
The input range is -19 dBm to 30 dBm for open and shorted terminations, and up to 33 dBm for a matched termination.
- What is the supply voltage for the ADL5920?
The supply voltage is between 4.9 V and 5.1 V.
- How much current does the ADL5920 draw from the supply?
The device draws 160 mA from a 5 V supply.
- What is the operating temperature range of the ADL5920?
The operating temperature range is from -40°C to +85°C.
- What package type is the ADL5920 available in?
The ADL5920 is available in a 32-lead, 5 mm × 5 mm LFCSP package.
- Is the ADL5920 ROHS compliant?
Yes, the ADL5920 is ROHS3 compliant.
- What is the moisture sensitivity level (MSL) of the ADL5920?
The MSL is 1 (Unlimited).
- How is the power-down mode controlled in the ADL5920?
The power-down mode is controlled through the PWDN/TADJS pin.
- What are some common applications of the ADL5920?
Common applications include RF power measurement, return loss and reflection coefficient measurements, antenna tuning, and test and measurement equipment.
