Overview
The ADF7021-VBCPZ-RL is a high-performance, low-power RF transceiver IC designed by Analog Devices Inc. for ISM band applications. This device is optimized for narrow-band, short-range wireless communication systems and supports a wide range of frequencies and modulation schemes. It is particularly suited for applications requiring low power consumption, high output power, and flexible modulation support.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Comments |
|---|---|---|---|---|---|
| Frequency Range | 80 MHz | 960 MHz | Dual VCO: 80 MHz to 650 MHz, 862 MHz to 950 MHz | ||
| Operating Temperature | -40°C | 85°C | |||
| Supply Voltage | 2.3 V | 3.6 V | |||
| Transmit Current | 13.8 mA | 27.1 mA | |||
| Receive Current | 16.3 mA | 21.7 mA | |||
| Output Power | -16 dBm | +13 dBm | Programmable in 63 steps | ||
| Data Rate | 0.05 kbps | 24 kbps | |||
| Receiver Sensitivity | -130 dBm | At 100 bps, 2FSK | |||
| Modulation Schemes | 2FSK, 2GFSK, 3FSK, 4FSK, FHSS, GMSK, MSK | ||||
| Package | 48-LFCSP (7x7) |
Key Features
- Wide Frequency Range: Supports frequencies from 80 MHz to 960 MHz, making it suitable for global ISM band applications.
- Low Power Consumption: Low current consumption in both transmit and receive modes, ideal for battery-powered or energy-efficient designs.
- High Output Power and Sensitivity: Programmable output power up to +13 dBm and high receiver sensitivity for long-range communication.
- Flexible Modulation Support: Supports multiple modulation schemes including 2FSK, 3FSK, 4FSK, FHSS, GMSK, and MSK.
- On-Chip Components: Includes on-chip VCO, fractional-N PLL, 7-bit ADC, temperature sensor, and automatic frequency control (AFC) loop.
- Programmable IF Filter Bandwidths: Allows for programmable IF filter bandwidths of 9 kHz, 13.5 kHz, and 18.5 kHz.
- Image Rejection Calibration: Patent-pending IR calibration scheme without the need for an external RF source.
Applications
- Wireless Sensor Networks: Suitable for wireless sensor networks due to its low power consumption and high performance.
- Industrial Automation: Used in industrial automation for reliable and efficient communication.
- Home and Building Automation: Ideal for home and building automation systems requiring low power and high reliability.
- Asset Tracking: Applicable in asset tracking systems that need long-range communication capabilities.
- Telemetry and Remote Control Systems: Suitable for telemetry and remote control systems due to its flexible modulation support and high sensitivity.
Q & A
- What is the frequency range of the ADF7021-VBCPZ-RL?
The ADF7021-VBCPZ-RL supports frequencies from 80 MHz to 960 MHz, with dual VCOs for different frequency bands.
- What are the supported modulation schemes?
The device supports 2FSK, 2GFSK, 3FSK, 4FSK, FHSS, GMSK, and MSK modulation schemes.
- What is the operating temperature range of the ADF7021-VBCPZ-RL?
The operating temperature range is from -40°C to 85°C.[
- What is the supply voltage range for this device?
The supply voltage range is from 2.3 V to 3.6 V.[
- What is the maximum output power of the ADF7021-VBCPZ-RL?
The maximum output power is +13 dBm, programmable in 63 steps.[
- What are the key on-chip components of the ADF7021-VBCPZ-RL?
The device includes an on-chip VCO, fractional-N PLL, 7-bit ADC, temperature sensor, and automatic frequency control (AFC) loop.[
- What are the typical applications of the ADF7021-VBCPZ-RL?
Typical applications include wireless sensor networks, industrial automation, home and building automation, asset tracking, and telemetry and remote control systems.[
- How does the ADF7021-VBCPZ-RL manage image rejection?
The device features a patent-pending IR calibration scheme that does not require an external RF source, achieving an image rejection performance of up to 56 dB.[
- What is the package type of the ADF7021-VBCPZ-RL?
The device is packaged in a 48-LFCSP (7x7) surface mount package.[
- Is the ADF7021-VBCPZ-RL RoHS compliant?
Yes, the ADF7021-VBCPZ-RL is RoHS compliant.[
