Overview
The HMC199AMS8ETR from Analog Devices Inc. is a low-cost, general-purpose dual Single-Pole Double-Throw (SPDT) GaAs "bypass" switch. This component is packaged in an 8-lead MSOP and operates from DC to 2.5 GHz. It integrates two SPDT switches and a through line onto a single IC, making it ideal for various RF applications. The switch is designed to provide low insertion loss and high port-to-port isolation, making it suitable for bypassing or switching passive or active external circuit components in and out of the signal path.
Key Specifications
| Parameter | Frequency | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Insertion Loss | DC - 1.0 GHz | 0.3 | 0.4 | 0.6 | dB |
| Insertion Loss | DC - 2.0 GHz | 0.6 | 0.8 | 1.0 | dB |
| Insertion Loss | DC - 2.5 GHz | 0.8 | 1.0 | 1.2 | dB |
| Isolation (Between Ports RFC1 and RFC2 / RF1 / RF2) | DC - 2.0 GHz | 22 | 25 | 30 | dB |
| Isolation (Between Ports RFC1 and RFC2 / RF1 / RF2) | DC - 2.5 GHz | 17 | 22 | 25 | dB |
| Return Loss (On State, Any Port) | DC - 2.0 GHz | 20 | 20 | 30 | dB |
| Return Loss (On State, Any Port) | DC - 2.5 GHz | 20 | 20 | 30 | dB |
| Operating Temperature | -40 | 85 | °C | ||
| Storage Temperature | -65 | 150 | °C | ||
| ESD Sensitivity (HBM) | Class 1A |
Key Features
- Low insertion loss: Less than 0.5 dB at 2 GHz
- High port-to-port isolation: Typically 25 to 30 dB
- Positive control: 0/+5V, 0/+3V compatible with CMOS and most TTL logic families
- Ultra small MSOP8 package: 14.8 mm^2
- RoHS-compliant (HMC199AMS8E)
- Low DC current consumption
- On-chip circuitry for low power operation
Applications
- Cellular systems
- ISM base stations
- PCS (Personal Communications Service)
- LNA (Low Noise Amplifier) or filter bypass switching
- Single bit attenuator switching
Q & A
- What is the frequency range of the HMC199AMS8ETR?
The HMC199AMS8ETR operates from DC to 2.5 GHz. - What is the typical insertion loss of the HMC199AMS8ETR at 2 GHz?
The typical insertion loss is less than 0.5 dB at 2 GHz. - What is the port-to-port isolation of the HMC199AMS8ETR?
The port-to-port isolation is typically 25 to 30 dB. - What are the control voltage levels for the HMC199AMS8ETR?
The control voltage levels are 0/+5V and 0/+3V, compatible with CMOS and most TTL logic families. - Is the HMC199AMS8ETR RoHS-compliant?
Yes, the HMC199AMS8E is RoHS-compliant. - What is the package type of the HMC199AMS8ETR?
The package type is an 8-lead MSOP. - What are the typical applications of the HMC199AMS8ETR?
Typical applications include cellular systems, ISM base stations, PCS, LNA or filter bypass switching, and single bit attenuator switching. - What is the operating temperature range of the HMC199AMS8ETR?
The operating temperature range is -40°C to +85°C. - What is the storage temperature range of the HMC199AMS8ETR?
The storage temperature range is -65°C to +150°C. - What is the ESD sensitivity of the HMC199AMS8ETR?
The ESD sensitivity is Class 1A.
