详细描述
RFMD’s RFSA2644 is a 6-bit digital step attenuator (DSA) that features high linearity over the entire 31.5dB gain control range with excellent step accuracy in 0.5dB steps. The RFSA2644 is programmed via a serial mode control interface that is both 3V and 5V compatible. The RFSA2644 also offers a rugged Class 1C HBM ESD rating via on-chip ESD circuitry. The MCM package is footprint compatible with most 24-pin, 4mm x 4mm, QFN packages.
特点
Frequency Range 50MHz to 4000MHz
6-Bits, 31.5dB Range, 0.5dB Step
High Linearity, IP3 >48dBm
3V and 5V Logic Compatible
Serial-to-Parallel Controller
Serial Programming Interface
Power-up Programming Modes
On-Chip ESD Protection Class 1C HBM
Single Supply, 3V to 5V Operation
Footprint Compatible with Most 24-Pin, 4mm x 4mm, QFNs