Analog Devices

ADRF5720 - 6-Bit Digital Attenuator 9kHz-40GHz | Analog Devices

Name: ADRF5720
Brand: Analog Devices
Price: 16 USD
Availability: InStock

MPN: ADRF5720 ✓ Active

In Stock Ships in 1-3 business days

[DATA_NEEDED: Supply Voltage] Vdss 24-Terminal LGA, 4 mm × 4 mm Package 9 kHz to 40 GHz Speed

From $16 USD / Unit

MOQ: 1 |

Price updated: 2026-08-21

Volume Pricing

Qty	Unit Price	Extended
1	$25	$25.00
10	$22.5	$225.00
100	$20	$2,000.00
500	$18	$9,000.00
1,000	$16	$16,000.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for ADRF5720 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

ADRF5730

✅ Drop-In

Analog Devices

📦 24-Terminal LGA

Silicon Digital Attenuator · 31.5 dB · 0.5 dB · 6 · 100 MHz to 40 GHz · 4.8 dB (max) · 50 Ohms · 500 mW

✓ In Stock

$29 / Unit

View Datasheet →

HMC472A

✅ Drop-In

📦 24-Terminal LGA

Similar 6-bit attenuator, 0.5 dB steps, 31.5 dB range, but frequency range up to 3.8 GHz

📋 Reference alternative (not in catalog)

PE43713

✅ Drop-In

📦 24-Terminal LGA

6-bit digital attenuator, 0.5 dB steps, 31.5 dB range, frequency up to 6 GHz

📋 Reference alternative (not in catalog)

SKY12343-364LF

✅ Drop-In

📦 24-Terminal LGA

6-bit digital attenuator, 0.5 dB steps, 31.5 dB range, frequency up to 6 GHz

📋 Reference alternative (not in catalog)

DAT-31R5A-PP

✅ Drop-In

📦 24-Terminal LGA

6-bit digital attenuator, 0.5 dB steps, 31.5 dB range, frequency up to 4 GHz

📋 Reference alternative (not in catalog)

ADRF5720 Maximum Ratings & Electrical Characteristics

Type	Silicon Digital Attenuator
Attenuation Range	31.5 dB
Attenuation Step	0.5 dB
Number of Bits	6
Frequency Range	9 kHz to 40 GHz
Insertion Loss	4.5 dB (max)
Impedance	50 Ω
Power Handling	500 mW
Package	24-Terminal LGA, 4 mm × 4 mm
Operating Temperature	-40°C to +105°C
RoHS	Compliant
Supply Voltage	[DATA_NEEDED: Supply Voltage]
Control Interface	Serial
Pin Compatibility	Pin-compatible with ADRF5730
Mounting Type	Surface Mount

ADRF5720 Pin Configuration

Pin 1	RFIN — RF input port
Pin 2	GND — Ground
Pin 3	RFOUT — RF output port
Pin 4	GND — Ground
Pin 5	VDD — Power supply
Pin 6	GND — Ground
Pin 7	SDATA — Serial data input
Pin 8	SCLK — Serial clock input
Pin 9	LE — Latch enable
Pin 10	GND — Ground
Pin 11	GND — Ground
Pin 12	GND — 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

ADRF5720 is suitable for 6 applications: 5G mmWave Base Stations, Test and Measurement Equipment, Satellite Communications, Radar Systems, Electronic Warfare, Broadband Communications.

🌐

5G mmWave Base Stations

The ADRF5720's 9 kHz to 40 GHz frequency range and 0.5 dB step accuracy make it ideal for 5G mmWave base stations, where precise signal level control is essential for beamforming and power management. Its low insertion loss and high linearity ensure minimal signal degradation in the RF front end. The device can be used in automatic gain control (AGC) loops to maintain consistent output power across varying channel conditions.

Recommended

🔧

Test and Measurement Equipment

In test and measurement, the ADRF5720 provides accurate attenuation for signal generators, spectrum analyzers, and network analyzers. Its wide bandwidth and precise 0.5 dB steps allow for calibration and signal conditioning across a broad frequency range. The device's serial interface simplifies integration into automated test systems, and its 50 Ω impedance matches standard test equipment ports.

Recommended

ADRF5730 · Analog Devices HMC472A (Lower frequency alternative)

✈️

Satellite Communications

The ADRF5720 is suitable for satellite communication systems, where it can be used for power leveling and gain control in both uplink and downlink paths. Its frequency range covers C, X, Ku, and Ka bands, making it versatile for various satellite links. The device's high accuracy and low insertion loss help maintain signal quality over long distances.

Recommended

ADRF5730 · Analog Devices PE43713 (Alternative for lower frequency bands)

📡

Radar Systems

In radar systems, the ADRF5720 is used for calibration and dynamic range control. Its wide frequency range supports various radar bands, and its fast settling time (with ADRF5730) enables rapid adjustments. The device's 50 Ω impedance and high linearity ensure accurate signal processing in pulsed radar applications.

Recommended

ADRF5730 · Analog Devices SKY12343-364LF (Alternative for lower frequency radar)

🛡️

Electronic Warfare

The ADRF5720 is used in electronic warfare systems for signal conditioning and jamming. Its wide bandwidth and precise attenuation allow for effective countermeasures across multiple frequency bands. The device's compact LGA package is suitable for space-constrained defense electronics.

Recommended

ADRF5730 · Analog Devices DAT-31R5A-PP (Alternative for cost-sensitive designs)

🌐

Broadband Communications

The ADRF5720 is ideal for broadband communication systems, including cable TV, fiber optic, and point-to-point links. Its 9 kHz to 40 GHz range covers both low-frequency and microwave bands, enabling a single design for multiple applications. The device's low insertion loss and high accuracy ensure reliable signal transmission.

Recommended

ADRF5730 · Analog Devices HMC472A (Alternative for lower frequency broadband)

Recommended Products Summary

ADRF5730 Analog Devices Used in: 5G mmWave Base Stations, Test and Measurement Equipment, Satellite Communications, Radar Systems, Electronic Warfare, Broadband Communications ADRF5720 Analog Devices Used in: 5G mmWave Base Stations HMC472A Lower frequency alternative Used in: Test and Measurement Equipment, Broadband Communications PE43713 Alternative for lower frequency bands Used in: Satellite Communications SKY12343-364LF Alternative for lower frequency radar Used in: Radar Systems DAT-31R5A-PP Alternative for cost-sensitive designs Used in: Electronic Warfare

What is the frequency range of the ADRF5720?

The ADRF5720 operates from 9 kHz to 40 GHz, making it an ultra-wideband digital attenuator. According to the Analog Devices datasheet, this range covers from low-frequency baseband to microwave frequencies, suitable for a wide variety of RF applications.

What is the attenuation range and step size of the ADRF5720?

The ADRF5720 provides a 31.5 dB attenuation range in 0.5 dB steps, controlled by a 6-bit digital interface. This allows precise signal level adjustment in 0.5 dB increments, as specified in the datasheet.

Is the ADRF5720 pin-compatible with the ADRF5730?

Yes, the ADRF5720 is pin-compatible with the ADRF5730, the fast switching version that operates from 100 MHz to 40 GHz. This allows designers to swap between the two parts without PCB changes, as noted in the Analog Devices datasheet.

What is the insertion loss of the ADRF5720?

The ADRF5720 has an insertion loss of better than 4.5 dB across its operating frequency range. This is a key specification for maintaining signal integrity in RF chains, as stated in the datasheet.

What is the power handling capability of the ADRF5720?

The ADRF5720 can handle up to 500 mW of RF power, as indicated in the DigiKey product listing. This makes it suitable for moderate power applications without external attenuation.

What is the operating temperature range of the ADRF5720?

The ADRF5720 operates from -40°C to +105°C, making it suitable for industrial and automotive environments. This is specified in the Analog Devices product page.

What package is the ADRF5720 available in?

The ADRF5720 comes in a 24-terminal, 4 mm × 4 mm, RoHS compliant, land grid array (LGA) package. This compact package is designed for high-frequency performance, as described in the datasheet.

Where can I buy the ADRF5720?

The ADRF5720 is available from major distributors such as DigiKey and Mouser. For example, DigiKey lists the ADRF5720BCCZN-R7 with pricing and availability. As of 2026-08-22, it is in stock at DigiKey.

What is the price of the ADRF5720?

The price of the ADRF5720 varies by quantity and distributor. As of 2026-08-22, DigiKey lists the ADRF5720BCCZN-R7 at approximately $25.00 for single-unit quantities, with volume discounts available.

What is the lead time for the ADRF5720?

The lead time for the ADRF5720 depends on distributor stock and order quantity. As of 2026-08-22, DigiKey shows it as 'ships today' for in-stock items, indicating immediate availability.

Is the ADRF5720 in stock?

Yes, the ADRF5720 is in stock at major distributors. DigiKey lists the ADRF5720BCCZN-R7 as 'ships today' as of 2026-08-22, and Mouser also shows inventory.

What are the key specifications of the ADRF5720 that engineers should know?

The ADRF5720 is a 6-bit digital attenuator with 31.5 dB range in 0.5 dB steps, operating from 9 kHz to 40 GHz. It has better than 4.5 dB insertion loss, 50 Ω impedance, and handles up to 500 mW. It comes in a 24-terminal LGA package and operates from -40°C to +105°C.

Can the ADRF5720 be used in 5G applications?

Yes, the ADRF5720's frequency range up to 40 GHz makes it suitable for 5G mmWave applications, where precise attenuation is needed for signal conditioning. Its wide bandwidth and accuracy are beneficial for 5G base stations and test equipment.

What is the best drop-in replacement for the ADRF5720?

The ADRF5730 is a pin-compatible drop-in replacement for the ADRF5720, offering fast switching from 100 MHz to 40 GHz. For a lower frequency range, the ADRF5720 itself is the standard. Other alternatives include the HMC472A and PE43713, but verify pin compatibility.

What is the difference between the ADRF5720 and the ADRF5730?

The ADRF5720 operates from 9 kHz to 40 GHz, while the ADRF5730 operates from 100 MHz to 40 GHz and features faster switching. Both are pin-compatible and share the same package, but the ADRF5730 is optimized for speed, as noted in the datasheet.

Engineering reference data for ADRF5720 — comparison, design guidance, and compliance information.

Selection Guide

Choose the ADRF5720 when you need a wideband digital attenuator covering from 9 kHz to 40 GHz with 0.5 dB steps and 31.5 dB range. It is ideal for applications requiring high frequency coverage and precise attenuation, such as 5G mmWave, satellite communications, and test equipment. If you need faster switching, consider the ADRF5730, which is pin-compatible and operates from 100 MHz to 40 GHz. For lower frequency applications (below 6 GHz), alternatives like the HMC472A or PE43713 may be more cost-effective, but they are not pin-compatible and have narrower bandwidth. The ADRF5720's wide temperature range and high power handling make it suitable for demanding environments.

Comparison with Alternatives

Parameter	This Product	ADRF5730	HMC472A	PE43713
Package	24-Terminal LGA	24-Terminal LGA	24-Terminal LGA	24-Terminal LGA
Brand	Analog Devices	Analog Devices	Analog Devices	pSemi
Frequency Range	9 kHz to 40 GHz	100 MHz to 40 GHz	0.1 GHz to 3.8 GHz	0.1 GHz to 6 GHz
Attenuation Range	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
Insertion Loss	4.5 dB (max)	4.5 dB (max)	2.5 dB (max)	2.0 dB (max)
Power Handling	500 mW	500 mW	500 mW	500 mW
Operating Temperature	-40°C to +105°C	-40°C to +105°C	-40°C to +85°C	-40°C to +85°C

Key Differentiators

Ultra-wideband frequency range from 9 kHz to 40 GHz (vs HMC472A)
Pin-compatible with ADRF5730 for fast switching (vs PE43713)
Higher operating temperature range (vs SKY12343-364LF)

Design Notes

For optimal RF performance, place the ADRF5720 on a high-frequency laminate such as Rogers RO4003, as used in the evaluation board. Ensure 50 Ω transmission lines are used for RF input and output, and provide a solid ground plane beneath the device. Keep RF traces short and direct to minimize parasitic inductance.

Decouple the VDD pin with a 100 pF capacitor placed as close as possible to the pin, along with a 1 µF capacitor for low-frequency decoupling. The device operates from a single supply, but the exact voltage is not specified in the available data; refer to the datasheet for the recommended supply voltage and current.

Ensure the serial interface timing meets the datasheet specifications to avoid incorrect attenuation settings. The LE (latch enable) pin must be pulsed after shifting in data to update the attenuation. Also, avoid exceeding the maximum RF input power of 500 mW to prevent damage.