AD9864BCPZ

The AD9864BCPZ from Analog Devices is a versatile IF Digitizing Subsystem suitable for various radio products. It supports an input frequency range of 10 MHz to 300 MHz and provides an output signal bandwidth between 6.8 kHz and 270 kHz. This subsystem features a low noise amplifier, mixer, band-pass Σ-Δ analog-to-digital converter, and a programmable decimation filter.

Key electrical characteristics include a typical noise figure of 7.5 dB, an input third-order intercept (IIP3) of -7.0 dBm, and an AGC free range up to -34 dBm. It offers 12 dB of continuous AGC range and a 16 dB front-end attenuator. The device operates from a 2.7 V to 3.6 V supply voltage with a low current consumption of 17 mA typical.

The AD9864BCPZ is housed in a 48-lead LFCSP package, making it suitable for space-constrained applications. Its design allows it to cope with blocking signals up to 95 dB stronger than the desired signal, reducing the need for extensive IF filtering. Programmable parameters via an SPI port enable optimization for specific applications, including synthesizer settings, AGC attenuation, decimation factor, and output data format.