CXA3355ER Description
The CXA3355ER is an IC developed as a GPS RF down converter. This IC realizes a reduction in the number of external parts by integrating an LNA, image rejection mixer, IF filter, PLL and VCO (L, C) into a small package with low current consumption.
CXA3355ER Key Features
- Includes all functions required for the GPS down converter
- Low voltage operation: VCC = 1.6 to 2.0V
- Low current consumption (active mode): 11mA (Typ. at VCC = 1.8V, IF ≈ 1MHz)
- Low current consumption (power save mode) < 1µA
- Total gain ≈ 100dB
- Total NF ≈ 4dB
- On-chip VCO and PLL
- Supports typical TCXO frequencies (13MHz, 16.368MHz, 18.414MHz, etc.)
- On-chip LNA (LNA NF: 2.0dB)
- Image rejection mixer