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Updated at 31/10/2025 10:30:15(UTC+8)
Certifications
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Description
- Product Details
- The HMC624A is a 6-bit digital attenuator with a 31.5 dB attenuation control range in 0.5 dB steps.
- The HMC624A offers excellent attenuation accuracy and high input linearity over the specified frequency range from 100 MHz to 6.0 GHz. However, this digital attenuator features external ac grounding capacitors to extend the operation below 100 MHz.
- The HMC624A is integrated with two dies: a CMOS driver and a gallium arsenide (GaAs) RF attenuator. The CMOS driver provides both serial and parallel control of the RF attenuator. The device also features a user-selectable power-up state and a serial output port for cascading other serial controlled components.
- The HMC624A operates with a single positive supply voltage from 3 V to 5 V, and provides a CMOS-/TTL-compatible control interface.
- The HMC624A comes in a RoHS compliant, compact, 4 mm × 4 mm LFCSP package, and is pin compatible to the HMC1122 except for the ACGx pins.
- Applications
- Cellular infrastructure
- Microwave radios and very small aperture terminals (VSATs)
- Test equipment and sensors
- Intermediate frequency (IF) and radio frequency (RF) designs
- ### Features and Benefits
- Attenuation range: 0.5 dB (LSB) steps to 31.5 dB
- Low insertion loss: 1.6 dB at 3 GHz
- Excellent attenuation accuracy
- High linearity
- Input 0.1dB compression (P0.1dB): 33 dBm typical
- Input third-order intercept (IP3): 55 dBm typical
- High RF input power handling: 28 dBm
- Low phase shift: 25° at 3 GHz
- Pin compatible to the HMC1122
- See data sheet for additional features
- **HMC624A-EP Supports defense and aerospace applications (AQEC standard)**
- Download HMC624A-EP data sheet (pdf)
- Extended industrial temperature range: −55°C to +105°C
- Controlled manufacturing baseline
- 1 assembly/test site
- 1 fabrication site
- Product change notification
- Qualification data available upon request
HMC624ALP4ETR Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 24 Pin |
| Case/Package | QFN-24 |
| Power Rating | 560 mW |
| Number of Bits | 6 Bit |
| Power Dissipation | 0.56 W |
| Input Voltage (Min) | 3 V |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 560 mW |
| Input Voltage | 5 V |
| Show | |
| Size-Height | 0.95 mm |
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| RoHS | RoHS Compliant |
| Lead-Free Status | Contains Lead |
Order guide
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- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
If you have any problem,please email to sales@manychip.com, we will response as soon as possisble.
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