HMC649A - 6-Bit Digital Phase Shifter 3-6 GHz | Analog Devices
MPN: HMC649A 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 HMC649A 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:
HMC649ALP6E
β Drop-Inπ Reference alternative (not in catalog)
HMC649LP6E
β Drop-Inπ Reference alternative (not in catalog)
HMC649A
β Drop-Inβ In Stock
$29 / Unit
View Datasheet βMAPS-010164
β Drop-Inπ Reference alternative (not in catalog)
TGP2105
β Drop-Inπ Reference alternative (not in catalog)
HMC649A Maximum Ratings & Electrical Characteristics
| Frequency Range | 3 GHz to 6 GHz |
| Phase Resolution | 6-bit (64 states) |
| Phase Error | Β±4 degrees |
| Insertion Loss Variation | Β±0.5 dB |
| Control Logic | 0/+5V positive |
| Supply Voltage (Vdd) | +5V |
| Supply Voltage (Vss) | -5V |
| Impedance | 50 Ohms |
| Package | 28-QFN (6x6 mm) |
| Technology | GaAs MMIC |
| Mounting Type | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] |
| Insertion Loss | [DATA_NEEDED: insertion loss] |
| Return Loss | [DATA_NEEDED: return loss] |
| RoHS Status | Compliant |
HMC649A Pin Configuration
| Pin 1 | VDD β Positive supply voltage (+5V) |
| Pin 2 | VSS β Negative supply voltage (-5V) |
| Pin 3 | RFIN β RF input port |
| Pin 4 | RFOUT β RF output port |
| Pin 5 | GND β Ground |
| Pin 6 | CTRL0 β Phase control bit 0 (LSB) |
| Pin 7 | CTRL1 β Phase control bit 1 |
| Pin 8 | CTRL2 β Phase control bit 2 |
| Pin 9 | CTRL3 β Phase control bit 3 |
| Pin 10 | CTRL4 β Phase control bit 4 |
| Pin 11 | CTRL5 β Phase control bit 5 (MSB) |
| Pin 12 | NC β No connect |
Safe Operating Area (SOA) & Thermal Characteristics
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
HMC649A is suitable for 6 applications: Phased-Array Radar, 5G Beamforming, Satellite Communication, Test and Measurement, Military and Defense, Wireless Infrastructure.
Phased-Array Radar
The HMC649A's 6-bit phase resolution and 3-6 GHz frequency range make it ideal for phased-array radar systems. Its low insertion loss variation of Β±0.5 dB ensures consistent amplitude across all phase states, which is critical for accurate beamforming. The device's 50 Ohm internal matching simplifies integration into radar front-ends, reducing external component count and PCB area. With a phase error of Β±4 degrees, it provides precise phase control for target detection and tracking. The compact 6x6 mm QFN package enables dense array designs, essential for modern AESA radar systems.
Recommended
5G Beamforming
The HMC649A operates from 3 GHz to 6 GHz, covering the C-band frequencies used in 5G networks. Its 6-bit phase control enables precise beam steering in massive MIMO base stations, improving spectral efficiency and coverage. The device's low insertion loss variation ensures uniform antenna element performance, which is vital for maintaining beam shape and sidelobe levels. The 0/+5V control logic interfaces directly with baseband processors, simplifying system design. The compact package allows for high-density integration in active antenna units, reducing overall system size and cost.
Recommended
Satellite Communication
The HMC649A is well-suited for satellite communication systems operating in the C-band (3.7-4.2 GHz downlink, 5.9-6.4 GHz uplink). Its 6-bit phase resolution allows for precise beam pointing and tracking in ground terminals and satellite payloads. The device's low insertion loss variation of Β±0.5 dB ensures stable signal amplitude, which is critical for maintaining link quality. The 50 Ohm internal matching reduces external components, enhancing reliability in space-constrained environments. The wide operating temperature range (if specified) supports harsh space conditions, making it a robust choice for satellite applications.
Recommended
Test and Measurement
The HMC649A is ideal for test and measurement equipment such as phase shifters in network analyzers and signal generators. Its 6-bit phase resolution provides fine phase steps for calibrating and testing RF components. The low insertion loss variation ensures accurate amplitude measurements across different phase states. The device's 50 Ohm internal matching simplifies integration into test fixtures, and its compact package allows for use in portable instruments. The 0/+5V control logic enables easy interfacing with microcontrollers and FPGA-based test systems, making it a versatile component for automated test setups.
Recommended
Military and Defense
The HMC649A is suitable for military radar, electronic warfare, and communication systems operating in the 3-6 GHz band. Its GaAs MMIC technology provides high reliability and performance in demanding environments. The 6-bit phase resolution enables precise beam steering for target tracking and jamming suppression. The device's low insertion loss variation ensures consistent performance across all phase states, which is critical for mission-critical applications. The compact 6x6 mm QFN package allows for integration into space-constrained defense systems, and the device's wide operating temperature range (if specified) supports extreme conditions.
Recommended
Wireless Infrastructure
The HMC649A is used in wireless infrastructure such as point-to-point radios and small cells operating in the 3-6 GHz band. Its 6-bit phase control enables adaptive beamforming and interference mitigation, improving network capacity and coverage. The device's low insertion loss variation ensures consistent signal quality, which is essential for high-order modulation schemes. The 50 Ohm internal matching simplifies PCB design, reducing time-to-market. The compact package allows for high-density integration in remote radio heads, and the 0/+5V control logic interfaces directly with baseband processors, making it a practical choice for next-generation wireless systems.
Recommended
Recommended Products Summary
Engineering reference data for HMC649A β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | HMC649ALP6E | HMC649LP6E | MAPS-010164 | TGP2105 |
|---|---|---|---|---|---|
| Package | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | MACOM | Qorvo |
| Frequency Range | 3-6 GHz | 3-6 GHz | 3-6 GHz | [DATA_NEEDED] | [DATA_NEEDED] |
| Phase Resolution | 6-bit | 6-bit | 6-bit | 6-bit | 6-bit |
| Phase Error | Β±4 degrees | Β±4 degrees | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Insertion Loss Variation | Β±0.5 dB | Β±0.5 dB | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Supply Voltage | +5V/-5V | +5V/-5V | +5V/-5V | [DATA_NEEDED] | [DATA_NEEDED] |
| Control Logic | 0/+5V | 0/+5V | 0/+5V | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Low insertion loss variation of Β±0.5 dB (vs HMC649LP6E)
- Recommended for new designs (vs HMC649LP6E)
- Internally matched to 50 Ohms (vs MAPS-010164)
Design Notes
The HMC649A requires dual supplies of +5V and -5V. Ensure proper decoupling with 100nF capacitors close to the VDD and VSS pins to minimize noise and prevent instability. The control voltage should be clean 0/+5V logic levels; avoid floating control pins by tying unused bits to ground or VDD as appropriate.
Maintain 50 Ohm impedance on all RF traces (RFIN and RFOUT) to ensure proper matching. Use controlled impedance PCB stackup and keep traces as short as possible. Place the device on a ground plane with adequate vias for thermal and electrical grounding. The exposed pad should be soldered to the ground plane for optimal performance.
Keep control lines (CTRL0-CTRL5) away from RF traces to avoid coupling. Use ground vias around the RF pins to isolate them. For high-frequency operation, consider using a ground plane on the top layer around the device. Follow the layout guidelines in the datasheet for best results.
Compliance Information
RoHS compliance is indicated by Analog Devices product page. Other compliance data not specified in the provided data.
