Overview
The HMC1122LP4ME, produced by Analog Devices Inc., is a 6-bit digital attenuator designed for high-frequency applications. It operates within the frequency range of 0.1 GHz to 6 GHz and offers a 31.5 dB attenuation control range in 0.5 dB steps. This device is implemented in a silicon process, ensuring very fast settling time, low power consumption, and high ESD robustness. The HMC1122LP4ME is optimized for excellent step accuracy and high linearity over frequency and temperature ranges, making it suitable for various RF and microwave applications.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 0.1 GHz to 6 GHz |
| Attenuation Control Range | 31.5 dB |
| Attenuation Step Size | 0.5 dB |
| Number of Bits | 6 |
| Supply Voltage | 3.3 V to 5 V |
| Package Type | 24-Pin LFCSP (Lead Frame Chip Scale Package) |
| RF Input/Output Impedance | Internally matched to 50 Ω |
| Control Interface | Serial (SPI) or Parallel |
| ESD Robustness | High |
| Power-Up State | User-selectable |
Key Features
- Fast settling time and low power consumption
- High ESD robustness and safe state transitions
- Internally matched RF input and output to 50 Ω, eliminating the need for external matching components
- Bidirectional design allowing interchangeable RF input and output
- On-chip regulator ensuring no performance change across the supply voltage range
- Serial (SPI) and parallel control interfaces
- User-selectable power-up state and serial output port for cascading other serial-controlled components
- Compact RoHS compliant LFCSP package
Applications
The HMC1122LP4ME is suitable for a variety of RF and microwave applications, including:
- Beamformers, phase shifters, and vector modulators
- Communications analog front ends
- Frequency dividers, multipliers, and detectors
- I/Q modulators and demodulators
- Phase locked loop (PLL) synthesizers and translation loops
- Quadrature digital up converters (QDUC)
- RF integrated transmitters, receivers, and transceivers
- RF mixers and power detectors
- RF switches and tunable filters
- Wireless sensor networks
Q & A
- What is the frequency range of the HMC1122LP4ME?
The HMC1122LP4ME operates from 0.1 GHz to 6 GHz. - What is the attenuation control range of the HMC1122LP4ME?
The attenuation control range is 31.5 dB in 0.5 dB steps. - How many bits does the HMC1122LP4ME have?
The device is a 6-bit digital attenuator. - What is the supply voltage range for the HMC1122LP4ME?
The supply voltage range is from 3.3 V to 5 V. - What type of package does the HMC1122LP4ME come in?
The device comes in a 24-Pin LFCSP (Lead Frame Chip Scale Package). - Does the HMC1122LP4ME require external matching components for RF input/output?
No, the RF input and output are internally matched to 50 Ω. - What control interfaces are available for the HMC1122LP4ME?
The device can be controlled in either serial (SPI) or parallel mode. - What is the ESD robustness of the HMC1122LP4ME?
The device has high ESD robustness. - Can the power-up state of the HMC1122LP4ME be user-selected?
Yes, the power-up state is user-selectable. - Is the HMC1122LP4ME RoHS compliant?
Yes, the device is RoHS compliant.
