ADF4212LBRUZ-RL

Overview

The ADF4212LBRUZ-RL is a dual integer-N phase-locked loop (PLL) frequency synthesizer manufactured by Analog Devices Inc. It integrates two independent synthesizers for RF and IF sections, supporting input frequencies up to 2.4 GHz and 1.0 GHz respectively. The device operates on a single 2.7 V to 3.3 V supply with a typical current consumption of 7.5 mA. Key features include programmable dual modulus prescalers (8/9, 16/17, 32/33, 64/65), adjustable charge pump currents, and separate VP pins for extended tuning voltage support. It utilizes a 3-wire serial interface and offers fastlock and power-down modes.

Feature Summary

• Dual synthesizer architecture with independent RF (up to 2.4 GHz) and IF (up to 1.0 GHz) paths
• Low power consumption: 7.5 mA total at 3 V; 1 µA in low power sleep mode
• Programmable dual modulus prescaler options: 8/9, 16/17, 32/33, or 64/65
• Separate VP1 and VP2 supplies allow charging pump voltages up to 5.5 V for wide-range VCOs

Applications

• Wireless handsets (GSM, PCS, DCS, CDMA, WCDMA)
• Base stations for wireless radio systems
• Cable TV tuners (CATV)

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current data sheet. Suffixes such as -RL7 indicate reel packaging quantities. Confirm RoHS compliance status and lead-free specifications directly from the official documentation prior to procurement.

Selection Notes

Select this component when a low-power dual PLL solution is required for both RF and IF local oscillator generation. Ensure the external VCO tuning range is supported by the separate VP1/VP2 pins if voltages exceed the 3.3 V logic supply. Verify that the required reference frequency falls within the 10 MHz to 150 MHz REFIN range.

Part Context

This part belongs to the ADF4212L family of dual low-power PLL synthesizers. It is designed to replace older discrete PLL solutions in compact wireless designs. The 'B' version indicates an industrial temperature range of -40°C to +85°C. The package is available in 20-lead TSSOP and LFCSP formats.

Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material.