ML2721-1 Datasheet, PDF (1/2 Pages) Micro Linear Corporation – 900MHz DSSS RF to Digital Transceiver Chipset

BRIEF
900MHz DSSS RF to Digital
Transceiver Chipset
All the BOM Advantages of Direct Conversion Radio
The Performance Advantages of a Superhet Radio
Small, Simple to Use and Ideal for Volume Manufacture
ML2721
Low IF Digital Cordless
Transceiver
ML2751
Power Amplifier and LNA
Features
ML2721
Fully Integrated Receiver With 900mhz RF In
And NRZ Out
Fully Integrated Transmitter With Integrated
Modulation Filter
Fully Integrated, Self Aligning IF Filtering,
Frequency To Voltage Converter, Transmit And
Receive Data Filters
Integrated Frequency Synthesizer With On
Chip Pre Aligned VCO
• Transmitter Low Voltage Lock-Out Circuit To Avoid
Out Of Band Emissions At Low Battery Voltage
• On-Chip DC Regulation For 2.7V To 5.0V Operation
• Analog RSSI Output
• Small 32 Pin TQFP Package, 0.75mm Pitch
ML2751
Power Amplifier Output +21dbm (125mw) Typical
Max Output At 3.0V
Power Amplifier Gain 35db (Typical Max)
Single Supply 2.7V - 4.5V Operating Range
Power Amplifier Efficiency 35% At 3.3V
PA Control Pin For Power Consumption Reduction In
Portable Products
On-Chip Low Noise Amplifier For Receiver
On-Chip PIN Diode Drivers For Tx/Rx
Small TSSOP-20 Package