Overview
The HMC545AETR is a low-cost Single-Pole Double-Throw (SPDT) switch designed by Analog Devices Inc. This device is housed in a 6-lead SOT-23 plastic package and is optimized for general switching applications requiring very low insertion loss and a compact size. It operates from DC to 3.0 GHz, making it suitable for various RF and IF applications, including cellular/3G infrastructure, private mobile radio handsets, WLAN, WiMAX, WiBro, automotive telematics, and test equipment.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Insertion Loss (DC - 1.0 GHz) | - | 0.25 dB | - | dB |
| Insertion Loss (DC - 2.5 GHz) | - | 0.27 dB | - | dB |
| Input IP3 | - | +54 dBm | - | dBm |
| Control Voltage | 0/+3V | - | 0/+8V | V |
| Hot Switch Power Level (Vctl = 0/+8V) | - | +32 dBm | - | dBm |
| Operating Temperature | -40°C | - | 85°C | °C |
| Storage Temperature | -65°C | - | 150°C | °C |
| Thermal Resistance | - | 169°C/W | - | °C/W |
Key Features
- Low insertion loss: 0.25 dB typical from DC to 1.0 GHz and 0.27 dB typical from DC to 2.5 GHz.
- High input IP3: +54 dBm, ensuring minimal distortion in high-power RF signals.
- Low DC power consumption with minimal control current requirements.
- Positive control: Compatible with CMOS and some TTL logic families, operating with control voltages from 0/+3V to 0/+8V.
- Ultra-small package: 6-lead SOT-23 plastic package, ideal for space-constrained designs.
- Reflective shorts when “Off” at RF1 and RF2 ports.
Applications
- Cellular/3G infrastructure and handsets.
- Private mobile radio handsets.
- WLAN, WiMAX, and WiBro systems.
- Automotive telematics.
- Test equipment.
Q & A
- What is the frequency range of the HMC545AETR? The HMC545AETR operates from DC to 3.0 GHz.
- What is the typical insertion loss of the HMC545AETR? The typical insertion loss is 0.25 dB from DC to 1.0 GHz and 0.27 dB from DC to 2.5 GHz.
- What is the input IP3 of the HMC545AETR? The input IP3 is +54 dBm.
- What are the control voltage ranges for the HMC545AETR? The control voltage ranges from 0/+3V to 0/+8V.
- What is the operating temperature range of the HMC545AETR? The operating temperature range is from -40°C to 85°C.
- What is the storage temperature range of the HMC545AETR? The storage temperature range is from -65°C to 150°C.
- Is the HMC545AETR compatible with CMOS and TTL logic? Yes, it is compatible with CMOS and some TTL logic families.
- What is the thermal resistance of the HMC545AETR? The thermal resistance is 169°C/W.
- What type of package does the HMC545AETR come in? It comes in a 6-lead SOT-23 plastic package.
- Are DC blocking capacitors required for the RF ports? Yes, DC blocking capacitors are required for each RF port.
