Overview
The STA5620CTR is a fully integrated RF front-end receiver designed specifically for GPS applications, manufactured by STMicroelectronics. This component utilizes STMicroelectronics' BiCMOS SiGe technology and is housed in a 32-pin VFQFPN package. It is optimized for low power consumption, making it suitable for portable designs. The STA5620CTR down-converts the GPS L1 signal from 1575.42 MHz to 4.092 MHz, ensuring excellent reception quality even in critical environments due to its good noise figure and linearity.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | Typ. 2.7 V |
| Package Type | VFQFPN-32 (5x5 mm) |
| GPS Frequency | 1575.42 MHz (L1) |
| Intermediate Frequency (IF) | 4.092 MHz |
| Crystal Frequency Range | 10 MHz to 40 MHz |
| ADC Resolution | 2-bit |
| Interface | SPI |
| ESD Protection | 2 kV HBM |
Key Features
- Low IF architecture (fIF = 4fO)
- Minimum external components required
- VGA gain internally regulated
- On-chip programmable PLL
- Support for TCXO with buffered oscillator frequency output
- Low power consumption for portable designs
- SPI interface for configuration and control
- 2 kV HBM ESD protected
Applications
The STA5620CTR is primarily used in GPS applications, including but not limited to:
- Portable GPS devices
- Automotive navigation systems
- Aerial and maritime navigation
- IoT devices requiring GPS functionality
- Smart cities and autonomous vehicles
Q & A
- What is the primary function of the STA5620CTR?
The STA5620CTR is a fully integrated RF front-end receiver designed to down-convert the GPS L1 signal from 1575.42 MHz to 4.092 MHz.
- What type of package does the STA5620CTR use?
The STA5620CTR is housed in a 32-pin VFQFPN package.
- What is the typical supply voltage for the STA5620CTR?
The typical supply voltage is 2.7 V.
- Does the STA5620CTR support TCXO?
Yes, it supports TCXO and provides a buffered copy of the oscillator frequency.
- What interface does the STA5620CTR use for configuration and control?
The STA5620CTR uses an SPI interface.
- What is the ESD protection level of the STA5620CTR?
The STA5620CTR has 2 kV HBM ESD protection.
- What is the resolution of the ADC in the STA5620CTR?
The ADC resolution is 2-bit.
- What are some common applications of the STA5620CTR?
Common applications include portable GPS devices, automotive navigation systems, and IoT devices requiring GPS functionality.
- Does the STA5620CTR require many external components?
No, it requires minimum external components.
- What technology is used in the STA5620CTR?
The STA5620CTR uses STMicroelectronics' BiCMOS SiGe technology.
