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ADF7020-1 Datasheet

Part Number ADF7020-1
Manufacturers Analog Devices
Logo Analog Devices
Description High Performance FSK/ASK Transceiver
Datasheet ADF7020-1 DatasheetADF7020-1 Datasheet (PDF)

Data Sheet High Performance FSK/ASK Transceiver IC ADF7020-1 FEATURES Low power, low IF transceiver Frequency bands 135 MHz to 650 MHz, direct output 80 MHz to 325 MHz, divide-by-2 mode Data rates supported 0.15 kbps to 200 kbps, FSK 0.15 kbps to 64 kbps, ASK 2.3 V to 3.6 V power supply Programmable output power −20 dBm to +13 dBm in 63 steps Receiver sensitivity −119 dBm at 1 kbps, FSK, 315 MHz −114 dBm at 9.6 kbps, FSK, 315 MHz −111.8 dBm at 9.6 kbps, ASK, 315 MHz Low power consumption 17.6 .

  ADF7020-1   ADF7020-1






High Performance FSK/ASK Transceiver

Data Sheet High Performance FSK/ASK Transceiver IC ADF7020-1 FEATURES Low power, low IF transceiver Frequency bands 135 MHz to 650 MHz, direct output 80 MHz to 325 MHz, divide-by-2 mode Data rates supported 0.15 kbps to 200 kbps, FSK 0.15 kbps to 64 kbps, ASK 2.3 V to 3.6 V power supply Programmable output power −20 dBm to +13 dBm in 63 steps Receiver sensitivity −119 dBm at 1 kbps, FSK, 315 MHz −114 dBm at 9.6 kbps, FSK, 315 MHz −111.8 dBm at 9.6 kbps, ASK, 315 MHz Low power consumption 17.6 mA in receive mode 21 mA in transmit mode (10 dBm output) On-chip VCO and fractional-N PLL On-chip 7-bit ADC and temperature sensor Fully automatic frequency control loop (AFC) compensates for lower tolerance crystals Digital RSSI Integrated TRx switch Leakage current <1 µA in power-down mode APPLICATIONS Low cost wireless data transfer Wireless medical applications Remote control/security systems Wireless metering Keyless entry Home automation Process and building control RSET CREG(1:4) FUNCTIONAL BLOCK DIAGRAM ADCIN MUXOUT RLNA POLARIZATION LDO(1:4) OFFSET CORRECTION TEMP SENSOR TEST MUX RFIN RFINB RFOUT LNA GAIN IF FILTER RSSI MUX 7-BIT ADC FSK/ASK DEMODULATOR OFFSET CORRECTION AGC CONTROL FSK MOD CONTROL GAUSSIAN FILTER Σ-∆ MODULATOR AFC CONTROL DIVIDERS/ MUXING DIV P N/N+1 VCO CP PFD DIV R RING OSC CLK DIV DATA SYNCHRONIZER Tx/Rx CONTROL SERIAL PORT L1 L2 VCOIN CPOUT OSC1 OSC2 Figure 1. CLKOUT CE DATA CLK DATA I/O INT/LOCK SLE SDATA SREAD SCLK .


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