Overview
The MAX2659ELT+TG47 is a high-gain, low-noise amplifier (LNA) designed by Analog Devices Inc./Maxim Integrated for GPS, Galileo, and GLONASS applications. Fabricated using Maxim’s advanced SiGe process, this device offers exceptional performance with a 20.5dB gain and an ultra-low noise figure of 0.8dB. It operates from a single supply voltage range of 1.6V to 3.6V and consumes only 4.1mA, making it highly efficient. The MAX2659 also features a shutdown mode that reduces the supply current to less than 1μA, enhancing power management. Available in a compact, lead-free, RoHS-compliant 6-pin μDFN package, this component is ideal for various navigation and communication systems.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Supply Voltage Range | 1.6 to 3.6 | V |
| Supply Current | 4.1 | mA |
| Shutdown Current | < 1 | μA |
| Gain | 20.5 | dB |
| Noise Figure | 0.8 | dB |
| Input 1dB Compression Point | -12 | dBm |
| 3rd-Order Input Intercept Point | -5 | dBm |
| Operating Temperature Range | -40 to +85 | °C |
| Package Type | 6-pin μDFN | |
| Package Dimensions | 1.5mm x 1.0mm x 0.75mm |
Key Features
- Ultra-Low Noise Figure: Achieves a noise figure of 0.8dB, enhancing system sensitivity.
- High Gain: Provides a gain of 20.5dB, improving signal strength.
- Wide Supply Voltage Range: Operates from 1.6V to 3.6V, offering flexibility in system design.
- Low Power Consumption: Consumes only 4.1mA, with a shutdown mode reducing current to less than 1μA.
- Integrated 50Ω Output Matching Circuit: Eliminates the need for external matching components.
- Compact Package: Available in a small, lead-free, RoHS-compliant 6-pin μDFN package.
- AEC-Q100 Qualified (MAX2659ELT/V+ Only): Suitable for automotive applications.
- High ESD Protection: ±2500V ESD HBM (Human Body Model).
Applications
- Automotive Navigation: Ideal for in-vehicle GPS and navigation systems.
- Location-Enabled Mobile Devices: Enhances GPS performance in smartphones and tablets.
- Telematics (Asset Tracking and Management): Used in tracking and management systems.
- Personal Navigation Device (PND): Improves navigation in handheld devices.
- Cellular Phones with GPS: Boosts GPS signal quality in mobile phones.
- Notebook PC/Ultra-Mobile PC: Supports GPS functionality in portable computers.
- Recreational, Marine Navigation: Used in marine and recreational navigation devices.
- Avionics: Suitable for aviation navigation systems.
Q & A
- What is the primary application of the MAX2659ELT+TG47?
The MAX2659ELT+TG47 is primarily designed for GPS, Galileo, and GLONASS applications.
- What is the gain and noise figure of the MAX2659ELT+TG47?
The device offers a gain of 20.5dB and an ultra-low noise figure of 0.8dB.
- What is the supply voltage range of the MAX2659ELT+TG47?
The device operates from a single supply voltage range of 1.6V to 3.6V.
- How much current does the MAX2659ELT+TG47 consume?
The device consumes approximately 4.1mA, and less than 1μA in shutdown mode.
- What is the package type and dimensions of the MAX2659ELT+TG47?
The device is available in a 6-pin μDFN package with dimensions of 1.5mm x 1.0mm x 0.75mm.
- Does the MAX2659ELT+TG47 have integrated output matching?
Yes, the device integrates a 50Ω output matching circuit, eliminating the need for external matching components.
- Is the MAX2659ELT+TG47 AEC-Q100 qualified?
Yes, the MAX2659ELT/V+ version is AEC-Q100 qualified, making it suitable for automotive applications.
- What is the ESD protection level of the MAX2659ELT+TG47?
The device offers ±2500V ESD HBM (Human Body Model) protection.
- What are the typical applications of the MAX2659ELT+TG47?
The device is used in automotive navigation, location-enabled mobile devices, telematics, personal navigation devices, cellular phones with GPS, notebook PCs, recreational and marine navigation, and avionics.
- How does the shutdown feature work on the MAX2659ELT+TG47?
The shutdown feature is controlled by the SHDN pin; applying a logic low places the device in shutdown mode, reducing the supply current to less than 1μA.
