ADL8124ACPZ - 1-20GHz LNA with Temp Sensor | Analog Devices
MPN: ADL8124ACPZ β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.25 | $112.50 |
| 100 | $10 | $1,000.00 |
| 500 | $9 | $4,500.00 |
| 1,000 | $8.1 | $8,100.00 |
Drop-in alternatives for ADL8124ACPZ β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
ADL8124ACPZN
β Drop-Inπ Reference alternative (not in catalog)
HMC8411
β Drop-Inπ Reference alternative (not in catalog)
ADL5523
β Drop-Inπ Reference alternative (not in catalog)
HMC8410
β Drop-Inπ Reference alternative (not in catalog)
HMC8411LP2FE
β Drop-Inπ Reference alternative (not in catalog)
ADL8124ACPZ Maximum Ratings & Electrical Characteristics
| Frequency Range | 1 GHz to 20 GHz |
| Gain | 15 dB (typical at 10 GHz) |
| Noise Figure | 1.5 dB (typical at 10 GHz) |
| Supply Voltage (VDD) | 3.3 V |
| Quiescent Current (IDQ) | 55 mA |
| Bias Resistor (RBIAS) | 1540 Ξ© |
| Enable Voltage (VENBL) | 3.3 V |
| Package | 8-LFCSP (2x2 mm) |
| Operating Temperature Range | -40Β°C to +85Β°C |
| Input Return Loss | [DATA_NEEDED: Input Return Loss] |
| Output Return Loss | [DATA_NEEDED: Output Return Loss] |
| Output Power at 1dB Compression | [DATA_NEEDED: Output Power at 1dB Compression] |
| Third Order Intercept (IP3) | [DATA_NEEDED: Third Order Intercept (IP3)] |
| Integrated Temperature Sensor | Yes |
| Enable/Disable Pin | Yes (VENBL) |
| RoHS Status | Compliant |
ADL8124ACPZ Pin Configuration
| Pin 1 | RFIN β RF input |
| Pin 2 | GND β Ground |
| Pin 3 | VENBL β Enable/disable control |
| Pin 4 | RBIAS β Bias resistor connection |
| Pin 5 | VDD β Power supply |
| Pin 6 | RFOUT β RF output |
| Pin 7 | GND β Ground |
| Pin 8 | TEMP β Temperature sensor output |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
ADL8124ACPZ is suitable for 6 applications: Point-to-Point Radios, Satellite Communications, Radar Systems, Test and Measurement, 5G and Wireless Infrastructure, Electronic Warfare and Defense.
Point-to-Point Radios
The ADL8124ACPZ is ideal for point-to-point radio receivers operating in the 1-20 GHz band. Its low noise figure of 1.5 dB at 10 GHz ensures high sensitivity, while the integrated bias inductor and AC coupling capacitors reduce external component count, simplifying the RF front-end design. The enable pin allows for power management in battery-powered or duty-cycled systems, and the temperature sensor enables monitoring for thermal stability in outdoor installations.
Recommended
Satellite Communications
In satellite communication systems, the ADL8124ACPZ provides the low noise amplification needed for weak signal reception. Its wideband coverage from 1 to 20 GHz supports multiple frequency bands, and the integrated temperature sensor helps maintain performance over the wide temperature variations experienced in space and ground applications. The compact 2x2 mm LFCSP package is ideal for dense PCB layouts in satellite transceivers.
Recommended
Radar Systems
The ADL8124ACPZ is well-suited for radar receiver front-ends, where high gain and low noise are critical for detecting small targets. Its 15 dB typical gain and 1.5 dB noise figure at 10 GHz provide excellent sensitivity, while the enable pin allows for pulsed operation to save power. The integrated temperature sensor aids in monitoring the amplifier's thermal state during high-duty-cycle operation, ensuring reliable performance in demanding radar environments.
Recommended
Test and Measurement
In test and measurement equipment, the ADL8124ACPZ serves as a broadband gain block for signal conditioning. Its wide frequency range and flat gain response make it suitable for spectrum analyzers, signal generators, and network analyzers. The integrated bias inductor and AC coupling capacitors reduce the need for external components, simplifying calibration and maintenance. The enable pin allows for remote power control in automated test setups.
Recommended
5G and Wireless Infrastructure
The ADL8124ACPZ is suitable for 5G base station receivers, covering the sub-6 GHz and mmWave bands. Its low noise figure and high linearity help maintain signal quality in dense urban environments. The integrated temperature sensor enables thermal management in outdoor base stations, and the compact package allows for high-density integration in massive MIMO systems. The enable pin supports power saving during low-traffic periods.
Recommended
Electronic Warfare and Defense
In electronic warfare systems, the ADL8124ACPZ provides wideband amplification for signal intelligence and jamming applications. Its 1-20 GHz coverage allows a single design to handle multiple frequency bands, reducing system complexity. The integrated temperature sensor and enable pin support robust operation in harsh military environments, and the small package enables compact, ruggedized modules.
Recommended
Recommended Products Summary
Engineering reference data for ADL8124ACPZ β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADL8124ACPZN | HMC8411 | ADL5523 |
|---|---|---|---|---|
| Package | 8-LFCSP (2x2) | 8-LFCSP (2x2) | 8-LFCSP (2x2) | 8-LFCSP (2x2) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Frequency Range | 1 GHz to 20 GHz | 1 GHz to 20 GHz | 0.01 GHz to 10 GHz | 0.4 GHz to 4 GHz |
| Gain | 15 dB (typ at 10 GHz) | 15 dB (typ at 10 GHz) | 14 dB (typ at 10 GHz) | 20 dB (typ at 2 GHz) |
| Noise Figure | 1.5 dB (typ at 10 GHz) | 1.5 dB (typ at 10 GHz) | 1.8 dB (typ at 10 GHz) | 0.8 dB (typ at 2 GHz) |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 5 V |
| Quiescent Current | 55 mA | 55 mA | 60 mA | 90 mA |
| Integrated Temperature Sensor | Yes | Yes | No | No |
Key Differentiators
- Integrated temperature sensor (vs HMC8411)
- Wideband frequency coverage up to 20 GHz (vs ADL5523)
- Integrated bias inductor and AC coupling capacitors (vs HMC8411)
Design Notes
For optimal RF performance, ensure the exposed pad and package ground leads are soldered directly to the ground plane. Use multiple vias beneath the ground paddle to provide low-inductance grounding and adequate thermal conduction, as recommended in the ADL8124 datasheet.
The ADL8124 operates from a 3.3V supply with a quiescent current of 55mA. Ensure the supply is well-decoupled with a 100pF capacitor close to the VDD pin and a larger 1uF capacitor for low-frequency stability. The enable pin (VENBL) can be used for power sequencing; connect it to VDD for always-on operation.
The integrated temperature sensor provides a voltage output proportional to die temperature. Monitor this output to ensure the device stays within its operating temperature range. For high-power applications, consider adding a heatsink or increasing copper area on the PCB to improve thermal dissipation.
Compliance Information
RoHS compliant per Analog Devices product page. Other compliance information not specified in the provided data.
