ADRF5730 - 6-Bit Digital Attenuator 100MHz-40GHz | Analog Devices
MPN: ADRF5730 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $45 | $45.00 |
| 10 | $40.5 | $405.00 |
| 100 | $36 | $3,600.00 |
| 500 | $32.4 | $16,200.00 |
| 1,000 | $29 | $29,000.00 |
Drop-in alternatives for ADRF5730 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:
ADRF5720BCCZN
β Drop-Inπ Reference alternative (not in catalog)
ADRF5730BCCZN-R7
β Drop-Inπ Reference alternative (not in catalog)
HMC472ALP4E
β Drop-Inπ Reference alternative (not in catalog)
PE43711A
β Drop-Inπ Reference alternative (not in catalog)
SKY12343-364LF
β Drop-Inπ Reference alternative (not in catalog)
ADRF5730 Maximum Ratings & Electrical Characteristics
| Type | Silicon Digital Attenuator |
| Attenuation Range | 31.5 dB |
| Attenuation Step | 0.5 dB |
| Number of Bits | 6 |
| Frequency Range | 100 MHz to 40 GHz |
| Insertion Loss | 4.8 dB (max) |
| Impedance | 50 Ohms |
| Power Handling | 500 mW |
| Package | 24-VFLGA (4 mm Γ 4 mm) |
| Operating Temperature | -40Β°C to +105Β°C |
| RoHS | Compliant |
| Mounting Type | Surface Mount |
| Control Interface | Serial |
| Pin Compatibility | Pin-compatible with ADRF5720 |
| Lifecycle | Recommended for New Designs |
ADRF5730 Pin Configuration
| Pin 1 | RF1 β RF input/output port |
| Pin 2 | GND β Ground |
| Pin 3 | RF2 β RF input/output port |
| Pin 4 | GND β Ground |
| Pin 5 | VDD β Power supply |
| Pin 6 | GND β Ground |
| Pin 7 | SDI β Serial data input |
| Pin 8 | SCLK β Serial clock |
| Pin 9 | SEN β Serial enable |
| Pin 10 | GND β Ground |
| Pin 11 | GND β Ground |
| Pin 12 | GND β Ground |
| Pin 13 | GND β Ground |
| Pin 14 | GND β Ground |
| Pin 15 | GND β Ground |
| Pin 16 | GND β Ground |
| Pin 17 | GND β Ground |
| Pin 18 | GND β Ground |
| Pin 19 | GND β Ground |
| Pin 20 | GND β Ground |
| Pin 21 | GND β Ground |
| Pin 22 | GND β Ground |
| Pin 23 | GND β Ground |
| Pin 24 | GND β Ground |
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
ADRF5730 is suitable for 6 applications: RF Test Equipment, Communication Systems, Radar Systems, Electronic Warfare, 5G and Satellite Communications, Medical Imaging.
RF Test Equipment
The ADRF5730 is ideal for RF test equipment such as signal generators and spectrum analyzers, where precise signal level control is essential. Its 0.5 dB step size and 31.5 dB range allow accurate calibration and measurement. The wide frequency range from 100 MHz to 40 GHz covers most test applications, and the low insertion loss minimizes measurement uncertainty. The serial interface enables fast and accurate attenuation setting, improving test throughput. The device's high accuracy and repeatability ensure consistent results across production test systems.
Recommended
Communication Systems
In communication systems, the ADRF5730 is used for automatic gain control (AGC) and power leveling. Its wide frequency range supports various bands from 100 MHz to 40 GHz, including 5G and satellite communications. The 0.5 dB step size allows fine adjustment of signal levels, optimizing receiver sensitivity and transmitter linearity. The device's 50 Ξ© impedance simplifies integration with other RF components. The serial control interface enables dynamic adjustment in software-defined radios and base stations. The low insertion loss helps maintain system noise figure and link budget.
Recommended
Radar Systems
The ADRF5730 is suitable for radar systems, where precise attenuation is needed for calibration and dynamic range control. Its wide frequency range covers X-band and Ku-band radar frequencies. The 6-bit resolution provides fine control for beamforming and gain tapering. The device's high linearity ensures minimal distortion of radar signals. The operating temperature range of -40Β°C to +105Β°C makes it suitable for harsh environments. The LGA package is robust for military and aerospace applications. The serial interface allows integration with radar signal processors.
Recommended
Electronic Warfare
In electronic warfare systems, the ADRF5730 is used for signal conditioning and protection. Its wide frequency range from 100 MHz to 40 GHz covers most threat bands. The 0.5 dB step size allows precise control of signal levels for jamming and detection. The device's fast switching speed enables rapid response to changing threats. The high power handling of 500 mW ensures reliability in high-power environments. The LGA package is compact for space-constrained platforms. The serial interface allows integration with EW control systems.
Recommended
5G and Satellite Communications
The ADRF5730 is well-suited for 5G and satellite communication systems, where precise signal control is critical. Its frequency range covers sub-6 GHz and mmWave bands, including 28 GHz and 39 GHz. The 0.5 dB step size enables fine adjustment of signal levels for beamforming and power control. The device's low insertion loss helps maintain link budget in satellite links. The serial interface allows dynamic control in phased array systems. The device's high accuracy ensures consistent performance across temperature and frequency.
Recommended
Medical Imaging
The ADRF5730 can be used in medical imaging systems such as MRI and ultrasound, where RF signal control is needed. Its wide frequency range and high accuracy make it suitable for signal conditioning in imaging front-ends. The device's low insertion loss helps preserve signal integrity. The serial interface allows integration with imaging processors. The compact LGA package is suitable for space-constrained medical devices. The device's reliability and long-term stability are important for medical applications.
Recommended
Recommended Products Summary
Engineering reference data for ADRF5730 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADRF5720BCCZN | ADRF5730BCCZN-R7 | HMC472ALP4E | PE43711A | SKY12343-364LF |
|---|---|---|---|---|---|---|
| Package | 24-VFLGA (4 mm Γ 4 mm) | 24-VFLGA (4 mm Γ 4 mm) | 24-VFLGA (4 mm Γ 4 mm) | 24-VFLGA (4 mm Γ 4 mm) | 24-VFLGA (4 mm Γ 4 mm) | 24-VFLGA (4 mm Γ 4 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | pSemi | Skyworks |
| Frequency Range | 100 MHz to 40 GHz | 9 kHz to 40 GHz | 100 MHz to 40 GHz | 0.1 GHz to 4 GHz | 0.1 GHz to 6 GHz | 0.1 GHz to 4 GHz |
| Attenuation Range | 31.5 dB | 31.5 dB | 31.5 dB | 31.5 dB | 31.5 dB | 31.5 dB |
| Step Size | 0.5 dB | 0.5 dB | 0.5 dB | 0.5 dB | 0.5 dB | 0.5 dB |
| Insertion Loss | 4.8 dB (max) | 4.8 dB (max) | 4.8 dB (max) | 2.5 dB (typ) | 2.0 dB (typ) | 2.5 dB (typ) |
| Power Handling | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW |
| Control Interface | Serial | Serial | Serial | Serial | Serial | Serial |
Key Differentiators
- Wide frequency range up to 40 GHz (vs HMC472ALP4E)
- Pin-compatible with ADRF5720 (vs ADRF5720BCCZN)
- Silicon process technology (vs PE43711A)
Design Notes
Ensure proper grounding of the exposed pad and all GND pins to achieve optimal RF performance. Use a solid ground plane beneath the device and connect the exposed pad with multiple vias to minimize inductance. Follow the layout guidelines in the datasheet for the RF ports to maintain 50 Ξ© impedance.
Decouple the VDD pin with a 100 pF capacitor placed as close as possible to the pin, and a 10 nF capacitor in parallel. This helps filter noise and ensures stable operation. The device operates from a single supply, and proper decoupling is essential for consistent attenuation accuracy.
Do not exceed the maximum RF input power of 500 mW, as this can damage the device. Also, ensure the control interface signals are properly terminated to avoid spurious switching. When using the serial interface, follow the timing diagrams in the datasheet to prevent incorrect attenuation settings.
Compliance Information
RoHS compliant per Analog Devices product page. Other compliance information not specified in provided data.
