Overview
The ADF7020-1BCPZ-RL7 is a high-performance, low-power RF transceiver IC designed by Analog Devices Inc. This device is optimized for use in ISM (Industrial, Scientific, and Medical) frequency bands and is suitable for various wireless applications. It features a low IF architecture, on-chip VCO and fractional-N PLL, and a fully automatic frequency control loop (AFC) that compensates for frequency errors in the incoming signal. The transceiver supports ASK, FSK, and GFSK modulation schemes and operates within a frequency range of 80 MHz to 650 MHz.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Frequency Range | 80 | - | 650 | MHz | Direct output, VDD=2.3V to 3.6V, TA=25°C |
| Data Rates | 0.15 kbps | - | 200 kbps | - | FSK: 0.15 kbps to 200 kbps, ASK: 0.15 kbps to 64 kbps |
| Voltage Supply | 2.3 | - | 3.6 | V | All VDD pins must be tied together |
| Transmit Current Consumption | 13 mA | - | 21 mA | - | FRF = 315 MHz, VDD = 3.0 V, PA is matched to 50 Ω |
| Receive Current Consumption | 17.6 mA | - | 20.1 mA | - | Low Current Mode and High Sensitivity Mode |
| Power-Down Mode | 0.1 µA | - | 1 µA | - | Low Power Sleep Mode |
| Output Power | -20 dBm | - | +13 dBm | - | Programmable in 63 steps |
| Receiver Sensitivity | -119 dBm | - | -111.8 dBm | - | At 1 kbps, FSK, 315 MHz and 9.6 kbps, ASK, 315 MHz |
| Temperature Range | -40°C | - | +85°C | - | - |
| Package | - | - | - | LFCSP-48 | - |
Key Features
- On-chip VCO and fractional-N PLL for precise frequency synthesis
- Fully automatic frequency control loop (AFC) to compensate for frequency errors in the incoming signal
- On-chip 7-bit ADC and temperature sensor for monitoring temperature, battery voltage, and RSSI signal
- Digital RSSI and integrated TRx switch for improved receiver performance
- Low power consumption with 17.6 mA in receive mode and 21 mA in transmit mode (10 dBm output)
- Programmable output power in 63 steps from -20 dBm to +13 dBm
- Support for ASK, FSK, and GFSK modulation schemes
- Low IF architecture minimizing power consumption and external component count
Applications
- Low-cost wireless data transfer systems
- Wireless metering applications
- Remote control and security systems
- ISM wireless measuring nodes
Q & A
- What is the frequency range of the ADF7020-1BCPZ-RL7?
The frequency range of the ADF7020-1BCPZ-RL7 is from 80 MHz to 650 MHz.
- What modulation schemes does the ADF7020-1BCPZ-RL7 support?
The ADF7020-1BCPZ-RL7 supports ASK, FSK, and GFSK modulation schemes.
- What is the power supply range for the ADF7020-1BCPZ-RL7?
The power supply range for the ADF7020-1BCPZ-RL7 is from 2.3 V to 3.6 V.
- What is the typical current consumption in receive and transmit modes?
The typical current consumption is 17.6 mA in receive mode and 21 mA in transmit mode (10 dBm output).
- What is the temperature range of the ADF7020-1BCPZ-RL7?
The temperature range of the ADF7020-1BCPZ-RL7 is from -40°C to +85°C.
- Does the ADF7020-1BCPZ-RL7 have an on-chip ADC and temperature sensor?
Yes, the ADF7020-1BCPZ-RL7 has an on-chip 7-bit ADC and temperature sensor.
- What is the package type of the ADF7020-1BCPZ-RL7?
The package type of the ADF7020-1BCPZ-RL7 is LFCSP-48.
- What are some typical applications of the ADF7020-1BCPZ-RL7?
Typical applications include low-cost wireless data transfer, wireless metering, and remote control/security systems.
- How does the ADF7020-1BCPZ-RL7 manage frequency errors?
The ADF7020-1BCPZ-RL7 uses a fully automatic frequency control loop (AFC) to compensate for frequency errors in the incoming signal.
- Can the output power of the ADF7020-1BCPZ-RL7 be programmed?
Yes, the output power of the ADF7020-1BCPZ-RL7 is programmable in 63 steps from -20 dBm to +13 dBm.
