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Data Sheet
High Performance Narrow-Band Transceiver IC
ADF7021
FEATURES
Low power, narrow-band transceiver Frequency bands using dual VCO
80 MHz to 650 MHz 862 MHz to 950 MHz Modulation schemes 2FSK, 3FSK, 4FSK, MSK Spectral shaping Gaussian and raised cosine filtering Data rates supported 0.05 kbps to 32.8 kbps 2.3 V to 3.6 V power supply Programmable output power −16 dBm to +13 dBm in 63 steps Automatic PA ramp control Receiver sensitivity −130 dBm at 100 bps, 2FSK −122 dBm at 1 kbps, 2FSK −113 dBm at 25 kbps, raised cosine 2FSK Patent pending, on-chip image rejection calibration
On-chip VCO and fractional-N PLL On-chip, 7-bit ADC and temperature sensor Fully automatic frequency control loop (AFC) Digital received signal strength indication (RSSI) Integrated Tx/Rx switch 0.
ADF7021 Datasheet
