Features and Benefits
- Single-chip, Low-power UHK Transmitter
- 369.5 MHz to 395.9 MHz Frequency Operation using Fractional-N PLL and Fully-integrated VCO
- 3.0 V Supply Voltage
- Data Rates Supported < 20 kbps
- Low Current Consumption:
26mA at 12dBm Output at 384 MHz
- Power-down Mode (<1µA)
- 24-Lead TSSOP Package
The ADF7901 is a low power OOK/FSK UHF transmitter designed for use in RF remote control devices. The device is capable of Frequency Shift Keying (FSK) modulation on eight different channels, selectable by three external control lines. OOK modulation is performed by modulating the PA control line.
The on-chip VCO operates at 2x the output frequency. The divide by 2 at the output of the VCO reduces the amount of PA feedthrough. As a result of this, OOK modulation depths of greater than 50dB are easily achievable.
The FSK_ADJ and ASK_ADJ resistors can be adjusted in the system to optimize output power for each modulation scheme. An additional 1.5dB of output power is provided for the lower bank of channels to adjust for antenna performance.
The CE line allows the transmitter to be powered down completely. In this mode the leakage current is typically 0.1µA.
Product Lifecycle Not Recommended for New Designs
This designates products ADI does not recommend broadly for new designs.
Evaluation Kits (1)
This page contains ordering information for the evaluation board used to evaluate the ADF7901 High Performance ISM Band ASK/FSK Transmitter IC.
Documentation & Resources
RF Meets Power Lines: Designing Intelligent Smart Grid Systems that Promote Energy Efficiency3/5/2010
Smart Metering Technology Promotes Energy Efficiency for a Greener World7/27/2009
Wireless Short Range Devices and Narrowband Communications7/1/2007
Understand Wireless Short-Range Devices for Global License-Free Systems3/7/2007
The Use of Short Range Wireless in a Multi-Metering System12/1/2006
Tools & Simulations
Analog Devices ADIsimSRD Design Studio is a very powerful tool allowing real-time simulation and optimization of many of the parameters in a typical wireless system using the ADF7xxx family of transceivers and transmitters.
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
|Part Number||Material Declaration||Reliability Data||Pin/Package Drawing||CAD Symbols, Footprints & 3D Models|
|ADF7901BRUZ||Material Declaration||Reliability Data||24-Lead TSSOP|
|ADF7901BRUZ-RL||Material Declaration||Reliability Data||24-Lead TSSOP|
|Wafer Fabrication Data|
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Buy Now Pricing
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