Product Summary

The ML2722DH is a fully integrated 1.5Mbps frequency shift keyed (FSK) transceiver that operates in the unlicensed 900MHz ISM frequency band. The ML2722DH has been optimized for digital cordless telephone applications and includes all the frequency generation, receive and transmit functions. Automatically adjusted filters eliminate mechanical tuning. The transmitter generates a -1dBm FSK output signal. The applications of the ML2722DH include: Digital Cordless Phones, Wireless Streaming Media, Wireless PC Peripherals.

Parametrics

ML2722DH absolute maximum ratings: (1)VDD, VCC5: 6.0V; (2)VSS, GND: 0 ± 0.3V; (3)Junction Temperature: 150℃; (4)Storage Temperature Range: -65℃ to 150℃; (5)Lead Temperature (Soldering, 10s): 260℃.

Features

ML2722DH features: (1)Single chip ISM band 900MHz Radio Transceiver with -1dBm transmit output power; (2)1.5Mbps maximum data rate; (3)Typical receiver sensitivity: -95dBm at 12.5% CER; (4)Fully integrated frequency synthesizer with internal VCO resonator; (5)Automatic filter calibration: Requires no mechanical tuning adjustments during manufacturing; (6)Low IF Receiver: No external IF filters required; (7)Control outputs correctly sequence and control external PA; (8)3-wire control interface; (9)Analog RSSI output.

Diagrams

ML2722DH block diagram

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