Overview
The HMC273AMS10GE from Analog Devices Inc. is a 5-bit digital attenuator designed for broadband applications. This GaAs MMIC (Monolithic Microwave Integrated Circuit) operates over a frequency range of 0.7 to 3.8 GHz, making it suitable for various wireless and microwave systems. The attenuator is packaged in a 10-lead MSOP (Mini Small Outline Package) with an exposed pad, ensuring compact size and efficient thermal management.
Key Specifications
| Parameter | Min. | Typical | Max. | Units |
|---|---|---|---|---|
| Frequency Range | 0.7 | - | 3.8 | GHz |
| Insertion Loss (0.7-1.4 GHz) | 1.8 | 2.3 | 2.9 | dB |
| Insertion Loss (1.4-2.3 GHz) | 2.3 | 2.9 | 3.5 | dB |
| Insertion Loss (2.3-2.7 GHz) | 2.5 | 3.1 | 3.5 | dB |
| Insertion Loss (2.7-3.8 GHz) | 2.9 | 3.5 | - | dB |
| Attenuation Range | - | - | 31 | dB |
| Return Loss (RF1 & RF2, All Atten. States) | 10 | - | 16 | dB |
| Attenuation Accuracy | ± (0.30 + 3% of Atten. Setting) | - | - | dB |
| Input Power for 0.1 dB Compression (Vdd = 5V) | - | - | 28 | dBm |
| Input Third Order Intercept Point (Two-tone Input Power = 0 dBm Each Tone) | - | - | 46 | dBm |
| Switching Characteristics tRISE, tFALL (10/90% RF) | - | - | 1250 | ns |
| Supply Voltage | 3 | - | 5 | V |
| Operating Temperature | -40 | - | 85 | °C |
| Storage Temperature | -65 | - | 150 | °C |
Key Features
- 5-bit digital attenuator with 1 dB LSB steps to 31 dB.
- Single positive control per bit.
- Excellent attenuation accuracy: ±0.2 dB typical.
- High input third order intercept point (IIP3): up to +46 dBm.
- Compact 10-lead MSOP package with exposed pad.
- RoHS compliant.
- Low insertion loss: typically less than 3 dB across the frequency range.
- Fast switching characteristics: tRISE, tFALL = 1250 ns.
Applications
- Cellular and UMTS/3G infrastructure.
- ISM, MMDS, WLAN, and WiMAX systems.
- Microwave radio and VSAT (Very Small Aperture Terminal) systems.
- Test equipment and sensors.
Q & A
- What is the frequency range of the HMC273AMS10GE?
The HMC273AMS10GE operates over a frequency range of 0.7 to 3.8 GHz.
- What is the total attenuation range of the HMC273AMS10GE?
The total attenuation range is 31 dB, achieved through 1 dB LSB steps.
- What is the typical insertion loss of the HMC273AMS10GE?
The typical insertion loss is less than 3 dB across the specified frequency range.
- What is the input third order intercept point (IIP3) of the HMC273AMS10GE?
The IIP3 is up to +46 dBm.
- What is the supply voltage range for the HMC273AMS10GE?
The supply voltage range is from +3V to +5V.
- What is the operating temperature range of the HMC273AMS10GE?
The operating temperature range is from -40°C to +85°C.
- Is the HMC273AMS10GE RoHS compliant?
Yes, the HMC273AMS10GE is RoHS compliant.
- What is the package type of the HMC273AMS10GE?
The HMC273AMS10GE is packaged in a 10-lead MSOP with an exposed pad.
- What are some typical applications of the HMC273AMS10GE?
Typical applications include cellular and UMTS/3G infrastructure, ISM, MMDS, WLAN, WiMAX, microwave radio, VSAT, and test equipment.
- How fast is the switching time of the HMC273AMS10GE?
The switching characteristics tRISE, tFALL are 1250 ns.
