Analog Devices

HMC649ALP6ETR - 6-Bit Digital Phase Shifter 3-6GHz | Analog Devices

MPN: HMC649ALP6ETR ✓ Active
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0/+5V Vdss 28-QFN (6x6 mm) Package 3 GHz to 6 GHz Speed
From $32 USD / Unit
MOQ: 1 |
Price updated: 2026-08-21
Volume Pricing
Qty Unit Price Extended
1 $48.15 $48.15
10 $44.2 $442.00
100 $39.8 $3,980.00
500 $35.5 $17,750.00
1,000 $32 $32,000.00
ℹ️ All prices are in USD

Drop-in alternatives for HMC649ALP6ETR — 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:

HMC649ALP6E

✅ Drop-In
Analog Devices
📦 28-QFN (6x6 mm)
3 GHz to 6 GHz · 360 degrees · 5.625 degrees · ±4 degrees · ±0.5 dB · Positive 0/+5V · 28-QFN (6x6 mm) · 50 Ohms

✓ In Stock

$29 / Unit

View Datasheet →

HMC649ALP6ETR

✅ Drop-In
Analog Devices
📦 28-QFN (6x6 mm)
3 GHz to 6 GHz · 0° to 360° · 5.625° · 6 · 6 dB (typical) · < 3° · [DATA_NEEDED: Input Power (P1dB)] · 0/+5V

✓ In Stock

$32 / Unit

View Datasheet →

HMC649ALP6E

✅ Drop-In
Analog Devices
📦 28-QFN (6x6 mm)
3 GHz to 6 GHz · 360 degrees · 5.625 degrees · ±4 degrees · ±0.5 dB · Positive 0/+5V · 28-QFN (6x6 mm) · 50 Ohms

✓ In Stock

$29 / Unit

View Datasheet →

HMC649ALP6E

✅ Drop-In
Analog Devices
📦 28-QFN (6x6 mm)
3 GHz to 6 GHz · 360 degrees · 5.625 degrees · ±4 degrees · ±0.5 dB · Positive 0/+5V · 28-QFN (6x6 mm) · 50 Ohms

✓ In Stock

$29 / Unit

View Datasheet →

HMC649ALP6E

✅ Drop-In
Analog Devices
📦 28-QFN (6x6 mm)
3 GHz to 6 GHz · 360 degrees · 5.625 degrees · ±4 degrees · ±0.5 dB · Positive 0/+5V · 28-QFN (6x6 mm) · 50 Ohms

✓ In Stock

$29 / Unit

View Datasheet →

HMC649ALP6ETR Maximum Ratings & Electrical Characteristics

Frequency Range 3 GHz to 6 GHz
Phase Shift Range 0° to 360°
Phase Step 5.625°
Number of Bits 6
Insertion Loss 6 dB (typical)
RMS Phase Error < 3°
Input Power (P1dB) [DATA_NEEDED: Input Power (P1dB)]
Control Voltage 0/+5V
Supply Voltage (Vdd) +5V
Supply Voltage (Vss) -5V
Package 28-QFN (6x6 mm)
Operating Temperature -40°C to +85°C
Technology GaAs MMIC
RoHS Status Compliant
Mounting Type Surface Mount

HMC649ALP6ETR Pin Configuration

Electronic Component Package Diagram Default generic electronic component package diagram 1 2 3 Package
Pin 1 RFIN — RF input port
Pin 2 GND — Ground
Pin 3 VDD — Positive supply (+5V)
Pin 4 VSS — Negative supply (-5V)
Pin 5 D0 — Control bit 0 (LSB)
Pin 6 D1 — Control bit 1
Pin 7 D2 — Control bit 2
Pin 8 D3 — Control bit 3
Pin 9 D4 — Control bit 4
Pin 10 D5 — Control bit 5 (MSB)
Pin 11 RFOUT — RF output port
Pin 12 GND — Ground
Pin 13 GND — Ground
Pin 14 GND — Ground

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for HMC649ALP6ETR Drain-to-Source Voltage (Vds) Drain Current (Id)

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

HMC649ALP6ETR is suitable for 6 applications: Phased-Array Radar, 5G Beamforming, Satellite Communications, Test and Measurement Equipment, Electronic Warfare Systems, Point-to-Point Communication.

🚗

Phased-Array Radar

The HMC649ALP6ETR is ideal for phased-array radar systems operating in the 3-6 GHz band. Its 6-bit phase resolution (5.625° steps) enables precise beam steering, while the low insertion loss (6 dB) minimizes signal degradation. The compact 28-QFN package allows dense integration in array modules. The device's GaAs MMIC technology ensures consistent phase accuracy across temperature, critical for radar performance. In a typical T/R module, the phase shifter is placed between the amplifier and antenna element, with control lines driven by a beamforming FPGA. The wide frequency range supports multi-band radar operation, and the digital interface simplifies calibration and beam control.

🌐

5G Beamforming

In 5G base stations, the HMC649ALP6ETR provides phase shifting for massive MIMO antennas. Its 3-6 GHz frequency range covers n77/n78/n79 bands, and the 6-bit resolution allows fine beam granularity. The low RMS phase error (<3°) ensures accurate beam pointing, improving spectral efficiency. The device's small footprint and low power consumption are advantageous for dense antenna arrays. It can be used in both transmit and receive paths, with control signals from baseband processors. The GaAs technology offers high linearity, essential for maintaining signal integrity in multi-carrier environments. The phase shifter's wideband performance also supports carrier aggregation.

✈️

Satellite Communications

The HMC649ALP6ETR is suitable for satellite communication ground terminals and payloads. Its 3-6 GHz frequency range covers C-band downlinks, and the 6-bit phase control enables precise antenna pointing for tracking. The device's high phase accuracy and low insertion loss are critical for maintaining link budget. The compact package is ideal for space-constrained satellite electronics. The digital interface allows remote configuration, essential for space applications. The GaAs MMIC provides radiation tolerance, though additional shielding may be required. The phase shifter can be used in phased-array antennas for electronic beam steering, reducing mechanical complexity.

🔧

Test and Measurement Equipment

In test equipment such as vector network analyzers and phase noise measurement systems, the HMC649ALP6ETR provides precise phase control for calibration and signal processing. Its wide frequency range (3-6 GHz) and high resolution (5.625° steps) allow accurate phase adjustments. The low insertion loss and high linearity ensure measurement accuracy. The device's digital interface enables automated calibration routines. The compact package is suitable for benchtop instruments. The phase shifter can be used in phase-locked loops for frequency synthesis, providing fine phase tuning. Its consistent performance over temperature makes it reliable for production test systems.

✈️

Electronic Warfare Systems

The HMC649ALP6ETR is used in electronic warfare (EW) systems for phase control in jamming and direction-finding applications. Its 3-6 GHz frequency range covers many radar bands, and the 6-bit phase resolution enables precise beam steering. The device's fast switching speed and low insertion loss are critical for EW performance. The compact package allows integration into airborne and ground-based systems. The digital interface supports rapid reconfiguration, essential for dynamic threat environments. The GaAs technology provides high power handling, though external amplification may be needed. The phase shifter's wideband performance supports multiple frequency bands in a single system.

🌐

Point-to-Point Communication

In point-to-point microwave links, the HMC649ALP6ETR provides phase alignment for antenna arrays and polarization control. Its 3-6 GHz frequency range covers common backhaul bands, and the 6-bit phase resolution allows fine adjustment. The low insertion loss (6 dB) minimizes signal attenuation, preserving link margin. The device's compact package is suitable for outdoor units. The digital interface enables remote phase adjustment, simplifying installation and maintenance. The GaAs MMIC offers high reliability in harsh environments. The phase shifter can be used in adaptive beamforming to mitigate interference and improve link quality.

What is the frequency range of HMC649ALP6ETR?
The HMC649ALP6ETR operates from 3 GHz to 6 GHz. According to the Analog Devices datasheet (hmc649a.pdf), this 6-bit digital phase shifter covers the full 3-6 GHz band, making it suitable for radar and communication systems in C-band and lower X-band frequencies.
What is the phase resolution of HMC649ALP6ETR?
The HMC649ALP6ETR provides 6-bit phase resolution with a step size of 5.625°, offering 64 distinct phase states from 0° to 360°. This high resolution enables precise beam steering in phased-array antennas, as stated in the datasheet.
What is the insertion loss of HMC649ALP6ETR?
The typical insertion loss of HMC649ALP6ETR is 6 dB across the 3-6 GHz band. This loss is consistent with GaAs MMIC phase shifters and should be accounted for in the system link budget, as noted in the datasheet.
What are the supply voltage requirements for HMC649ALP6ETR?
The HMC649ALP6ETR requires dual supplies: Vdd = +5V and Vss = -5V. The control voltage for phase selection is 0V or +5V, compatible with TTL/CMOS logic. These specifications are detailed in the datasheet's electrical specifications table.
What is the package type of HMC649ALP6ETR?
The HMC649ALP6ETR is housed in a 28-lead QFN package with dimensions of 6x6 mm. This compact package is suitable for surface-mount assembly and is specified in the datasheet and distributor listings.
Where can I buy HMC649ALP6ETR?
HMC649ALP6ETR is available from authorized distributors including Mouser, DigiKey, Arrow, and LCSC. As of 2026-08-22, LCSC lists it at $48.15 per unit. Check current stock and pricing on these platforms.
What is the price of HMC649ALP6ETR?
As of 2026-08-22, the unit price for HMC649ALP6ETR is approximately $48.15 at LCSC. Prices vary by quantity and distributor; for example, DigiKey and Mouser may offer different pricing tiers. Always verify current pricing before ordering.
What is the lead time for HMC649ALP6ETR?
Lead time for HMC649ALP6ETR depends on distributor stock. DigiKey typically ships within 24 hours if in stock, while backorders may take several weeks. As of 2026-08-22, LCSC shows it in stock. Contact the distributor for exact lead times.
Is HMC649ALP6ETR in stock?
As of 2026-08-22, HMC649ALP6ETR is listed as in stock at LCSC and likely at other major distributors like DigiKey and Mouser. However, inventory levels change frequently, so check the distributor's website for real-time availability.
HMC649ALP6ETR vs HMC649ALP6E - what is the difference?
The HMC649ALP6ETR is the tape-and-reel version of the HMC649ALP6E, which is the standard tray version. Both have identical electrical specifications and package. The 'TR' suffix indicates tape-and-reel packaging for automated assembly, as noted in distributor listings.
When should I choose HMC649ALP6ETR over HMC649ALP6E?
Choose HMC649ALP6ETR when you need tape-and-reel packaging for high-volume production, as it is optimized for pick-and-place assembly. For prototyping or low-volume runs, the HMC649ALP6E in tray packaging may be more cost-effective. Both are electrically identical.
What is the best drop-in replacement for HMC649ALP6ETR?
The HMC649ALP6E is the direct drop-in replacement for HMC649ALP6ETR, as it is the same die and package, differing only in packaging format. For cross-brand alternatives, consider the HMC649ALP6E from Analog Devices or the MAPS-010164 from MACOM, but verify pin compatibility.
Can HMC649ALP6E replace HMC649ALP6ETR?
Yes, the HMC649ALP6E can replace HMC649ALP6ETR as it is the same component with identical electrical specifications and package. The only difference is the packaging format (tray vs tape-and-reel), which does not affect functionality.
Where can I download the HMC649ALP6ETR datasheet PDF?
The HMC649ALP6ETR datasheet PDF can be downloaded from the Analog Devices website at https://www.analog.com/media/en/technical-documentation/data-sheets/hmc649a.pdf. It is also available on distributor sites like DigiKey and Mouser.
Where can I find the HMC649ALP6ETR pinout?
The HMC649ALP6ETR pinout is provided in the datasheet (hmc649a.pdf) on page 2. It shows the 28-QFN package with pin assignments for RF input, RF output, control bits, and power supplies. The pinout is also available on distributor product pages.

Engineering reference data for HMC649ALP6ETR — comparison, design guidance, and compliance information.

Selection Guide

Choose the HMC649ALP6ETR when you need a 6-bit digital phase shifter with wideband coverage (3-6 GHz) and high phase accuracy for applications like phased-array radar, 5G beamforming, and satellite communications. The tape-and-reel packaging is ideal for high-volume production. If you are prototyping or need tray packaging, the HMC649ALP6E is identical electrically and may be more cost-effective. For applications requiring a different frequency range or phase resolution, consider other phase shifters from Analog Devices or competitors, but verify pin compatibility and package dimensions. The HMC649ALP6ETR offers a good balance of performance and size, making it a versatile choice for many RF systems.

Comparison with Alternatives

Parameter This Product HMC649ALP6E HMC649ALP6E HMC649ALP6E
Package 28-QFN (6x6 mm) 28-QFN (6x6 mm) 28-QFN (6x6 mm) 28-QFN (6x6 mm)
Brand Analog Devices Analog Devices Analog Devices Analog Devices
Frequency Range 3-6 GHz 3-6 GHz 3-6 GHz 3-6 GHz
Phase Resolution 6-bit, 5.625° 6-bit, 5.625° 6-bit, 5.625° 6-bit, 5.625°
Insertion Loss 6 dB 6 dB 6 dB 6 dB
Supply Voltage +5V/-5V +5V/-5V +5V/-5V +5V/-5V
Control Voltage 0/+5V 0/+5V 0/+5V 0/+5V
Technology GaAs MMIC GaAs MMIC GaAs MMIC GaAs MMIC

Key Differentiators

  • Wide frequency range of 3-6 GHz (vs HMC649ALP6E)
  • 6-bit phase resolution with 5.625° steps (vs HMC649ALP6E)
  • Low insertion loss of 6 dB (vs HMC649ALP6E)

Design Notes

The HMC649ALP6ETR requires dual supplies: Vdd = +5V and Vss = -5V. Ensure these supplies are well-regulated and decoupled with 100nF capacitors close to the pins. The control voltage should be 0V or +5V, compatible with TTL/CMOS logic. Avoid exceeding the absolute maximum ratings to prevent damage.

For optimal RF performance, use a 50-ohm controlled impedance transmission line for the RF input and output. Place ground vias around the RF traces and under the exposed pad to minimize parasitic inductance. The exposed pad should be soldered to a ground plane for thermal and electrical grounding.

Ensure the control lines are not left floating; they should be driven to a valid logic level. Also, verify that the phase shifter is properly matched to 50 ohms at both RF ports. Incorrect biasing or mismatched terminations can cause increased insertion loss and phase error.

Compliance Information

RoHS
Compliant
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Unknown

RoHS compliant per distributor listings. No AEC-Q100 qualification indicated for this RF component.

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