Overview
The ADF7020BCPZ is a highly integrated, low-power RF transceiver IC designed by Analog Devices Inc. This device is optimized for operation in the license-free ISM bands at 433 MHz, 868 MHz, and 915 MHz. It supports various modulation schemes including ASK, FSK, GFSK, GMSK, MSK, OOK, and O-QPSK. The ADF7020BCPZ is housed in a 48-pin VFQFN exposed pad package, making it suitable for a wide range of wireless communication applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Frequency Range | 431 MHz ~ 478 MHz, 862 MHz ~ 956 MHz | |
| Operating Supply Voltage | 2.3 V ~ 3.6 V | V |
| Current Consumption - Receiving | 19 mA ~ 21 mA | mA |
| Current Consumption - Transmitting | 14.8 mA ~ 28.5 mA | mA |
| Data Rate (Max) | 200 kbps (FSK), 64 kbps (ASK) | kbps |
| Modulation Schemes | ASK, FSK, GFSK, GMSK, MSK, OOK, O-QPSK | |
| Transmitter Output Power | -16 dBm to +13 dBm (programmable in 0.3 dB steps) | 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 |
| Operating Temperature | -40°C ~ 85°C | °C |
| Package Type | 48-VFQFN Exposed Pad, CSP | |
| Interface | SPI |
Key Features
- Highly integrated RF transceiver with on-chip VCO and fractional-N PLL.
- Programmable transmitter output power in 0.3 dB steps from -16 dBm to +13 dBm.
- Supports various modulation schemes including ASK, FSK, GFSK, GMSK, MSK, OOK, and O-QPSK.
- Low power consumption with 19 mA in receive mode and 26.8 mA in transmit mode (10 dBm output).
- 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.
- Simple 3-wire SPI interface for programming RF frequency and modulation.
- Low IF architecture minimizing power consumption and external component count.
Applications
- Wireless sensor networks.
- Industrial automation and control systems.
- Medical devices and telehealth applications.
- Home automation and IoT devices.
- Frequency-hopping spread spectrum (FHSS) systems.
Q & A
- What is the frequency range of the ADF7020BCPZ?
The ADF7020BCPZ operates in the frequency range of 431 MHz to 478 MHz and 862 MHz to 956 MHz.
- What are the supported modulation schemes?
The device supports ASK, FSK, GFSK, GMSK, MSK, OOK, and O-QPSK modulation schemes.
- What is the operating supply voltage range?
The operating supply voltage range is from 2.3 V to 3.6 V.
- What is the current consumption in receive and transmit modes?
The current consumption is 19 mA to 21 mA in receive mode and 14.8 mA to 28.5 mA in transmit mode.
- What is the maximum data rate supported?
The maximum data rate supported is 200 kbps for FSK and 64 kbps for ASK.
- What is the transmitter output power range?
The transmitter output power is programmable in 0.3 dB steps from -16 dBm to +13 dBm.
- What is the receiver sensitivity?
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).
- What is the operating temperature range?
The operating temperature range is from -40°C to 85°C.
- What type of interface does the ADF7020BCPZ use?
The device uses a simple 3-wire SPI interface.
- Does the ADF7020BCPZ have any on-chip sensors?
Yes, it has an on-chip 7-bit ADC and temperature sensor.
