The AD6650 is a narrow-band receiver consisting of an integrated DVGA, IF-to-baseband demodulator, low pass filters, dual wideband ADC, programmable decimators and channel filters, VCO and phase-locked loop circuitry, serial data output ports. The AD6650 has a dynamic range of 116dB, a noise figure of 10dB, an input IP2 of +43dBm, an input IP3 of -9.5dBm, a 3.3V I/O and CMOS core, a microprocessor interface, and a JTAG boundary scan.
The AD6650 is a narrow‑band IF‑to‑baseband receiver designed for GSM/EDGE applications. It integrates a digital variable‑gain amplifier, I/Q demodulators, low‑pass filters and a dual wideband ADC, requiring only one main and one diversity SAW filter. The device operates over a 70 MHz to 260 MHz intermediate‑frequency range and provides a 116 dB dynamic range.
The datasheet details electrical characteristics, timing diagrams, register maps and programming modes. Key specifications include a 0.094 dB gain step size, 36 dB AGC range, and supply voltage tolerance from –0.3 V to +3.6 V. The document also covers absolute maximum ratings, thermal characteristics and recommended layout guidelines.