Overview
The ADF7020BCPZ-RL is a low-power, low-IF RF transceiver designed and manufactured by Analog Devices Inc. This device is optimized for operation in the license-free ISM bands at 433 MHz, 868 MHz, and 915 MHz, making it suitable for a variety of wireless communication applications. The transceiver features a programmable RF frequency and modulation scheme, which can be controlled via a simple 3-wire interface. It operates with a power supply range of 2.3 V to 3.6 V and includes several power-saving features, allowing it to be powered down when not in use.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Frequency Range | 431 MHz to 478 MHz, 862 MHz to 956 MHz | |||
| Data Rates | 0.15 kbps to 200 kbps (FSK), 0.15 kbps to 64 kbps (ASK) | |||
| Power Supply | 2.3 V | 3 V | 3.6 V | V |
| Transmitter Output Power | -16 dBm | +13 dBm | dBm | |
| Receiver Sensitivity | -119 dBm at 1 kbps (FSK), -112 dBm at 9.6 kbps (FSK), -106.5 dBm at 9.6 kbps (ASK) | dBm | ||
| Current Consumption (Receive Mode) | 19 mA | mA | ||
| Current Consumption (Transmit Mode at 10 dBm output) | 26.8 mA | mA | ||
| Operating Temperature Range | -40°C | +85°C | °C |
Key Features
- Programmable RF frequency and modulation using a 3-wire interface.
- Supports FSK, ASK, GFSK, and GMSK modulation schemes.
- On-chip VCO and fractional-N PLL for frequency agility and low spurious emissions.
- Low IF architecture (200 kHz) to minimize power consumption and external component count.
- Automatic frequency control (AFC) loop for tracking frequency errors in the incoming signal.
- On-chip 7-bit ADC and temperature sensor with ±10°C accuracy over the full operating temperature range.
- Programmable output power in 0.3 dB steps from -16 dBm to +13 dBm.
- Low power consumption with power-down capability when not in use.
Applications
The ADF7020BCPZ-RL is suitable for various wireless communication applications, including:
- Wireless sensor networks.
- Industrial control systems.
- Remote meter reading and smart grid applications.
- Medical devices and telehealth equipment.
- Consumer electronics requiring low-power wireless communication.
Q & A
- What is the operating frequency range of the ADF7020BCPZ-RL?
The ADF7020BCPZ-RL operates in the frequency ranges of 431 MHz to 478 MHz and 862 MHz to 956 MHz. - What modulation schemes are supported by the ADF7020BCPZ-RL?
The device supports FSK, ASK, GFSK, and GMSK modulation schemes. - What is the power supply range for the ADF7020BCPZ-RL?
The power supply range is from 2.3 V to 3.6 V. - How is the RF frequency and modulation programmed in the ADF7020BCPZ-RL?
The RF frequency and modulation are programmable using a simple 3-wire interface. - What is the current consumption in receive and transmit modes?
The current consumption is approximately 19 mA in receive mode and 26.8 mA in transmit mode at 10 dBm output. - Does the ADF7020BCPZ-RL have any power-saving features?
Yes, it includes power-saving features such as the ability to power down when not in use. - What is the operating temperature range of the ADF7020BCPZ-RL?
The operating temperature range is from -40°C to +85°C. - Does the ADF7020BCPZ-RL have an on-chip temperature sensor?
Yes, it includes an on-chip 7-bit ADC and temperature sensor with ±10°C accuracy over the full operating temperature range. - What is the receiver sensitivity of the ADF7020BCPZ-RL?
The receiver sensitivity is -119 dBm at 1 kbps (FSK), -112 dBm at 9.6 kbps (FSK), and -106.5 dBm at 9.6 kbps (ASK). - Can the ADF7020BCPZ-RL be used in frequency-hopping spread spectrum (FHSS) systems?
Yes, the device's frequency agile PLL makes it suitable for use in FHSS systems.
