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Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
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Description
- Product Details
- The HMC1122 is a 6-bit digital attenuator operating from 0.1 GHz to 6 GHz with a 31.5 dB attenuation control range in 0.5 dB steps.
- The HMC1122 is implemented in a silicon process, offering very fast settling time, low power consumption, and high ESD robustness. The device features safe state transitions and optimized for excellent step accuracy and high linearity over frequency and temperature range. The RF input and output are internally matched to 50 Ω and do not require any external matching components. The design is bidirectional; therefore, the RF input and output are interchangeable.
- The HMC1122 operates on a single supply ranging from 3.3 V to 5 V with no performance change due to an on-chip regulator.
- The device incorporates a driver that provides both serial and parallel control of the attenuator. The device also features a user-selectable power-up state and a serial output port for cascading other serial controlled components.
- The HMC1122 comes in a RoHS compliant, compact, 4 mm × 4 mm LFCSP package, and is pin compatible to the HMC624A.
- A fully populated evaluation board is available.
- Applications
- Cellular infrastructure
- Microwave radios and very small aperture terminals (VSATs)
- Test equipment and sensors
- IF and RF designs
- ### Features and Benefits
- Attenuation range: 0.5 dB LSB steps to 31.5 dB
- Low insertion loss
- 1.1 dB at 1 GHz
- 1.3 dB at 2 GHz
- Typical step error: less than ±0.1 dB
- Excellent attenuation accuracy
- Safe state transitions
- High linearity
- Input 0.1dB compression (P0.1dB): 30 dBm typical
- Input third-order intercept (IP3): 55 dBm typical
- RF settling time (0.05 dB final RF output): 250 ns
- Low phase shift error: 6° at 1 GHz
- Single supply operation: 3.3 V to 5 V
- ESD rating: Class 2 (2 kV HBM)
- 24-lead, 4 mm × 4 mm LFCSP package: 16 mm2
- Pin compatible to the HMC624A
HMC1122LP4METR Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 24 Pin |
| Case/Package | LFCSP-24 |
| Supply Voltage (DC) | 3.30V (min) |
| Number of Positions | 24 Position |
| Number of Bits | 6 Bit |
| Power Dissipation | 310 mW |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 310 mW |
| Supply Voltage (Max) | 5 V |
| Supply Voltage (Min) | 3.3 V |
| Show | |
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| RoHS | RoHS Compliant |
| Lead-Free Status | Contains Lead |
| REACH SVHC Compliance Edition | 2015/12/17 |
| ECCN Code | EAR99 |
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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