ADF4196BCPZ

Overview

The ADF4196BCPZ is a low phase noise, fast settling, 6 GHz fractional-N PLL frequency synthesizer manufactured by Analog Devices Inc. It features a digital phase frequency detector and precision differential charge pump with an on-chip low-noise differential amplifier. The device supports RF input frequencies up to 6 GHz and operates within a supply voltage range of 2.7 V to 3.3 V for AVDD/DVDD, and 4.5 V to 5.65 V for VP supplies. Key electrical parameters include a normalized phase noise figure of merit of −216 dBc/Hz and a typical current consumption of 27 mA (AVDD/DVDD) and 30 mA (VP3). It utilizes a 3-wire serial interface and is housed in a 32-lead LFCSP package.

Feature Summary

• Fast settling architecture enabling GSM band frequency hopping in 5 μs with phase settled within 20 μs
• Low phase noise performance with a figure of merit of −216 dBc/Hz and 1° rms phase error at 4 GHz
• Integrated on-chip low noise differential amplifier converting differential charge pump output to single-ended VCO tuning voltage
• Digitally programmable output phase and 3-wire serial interface

Applications

• GSM/EDGE base stations
• PHS base stations
• Pulse Doppler radar systems
• Instrumentation and test equipment
• Beam-forming/phased array systems

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the component meets RoHS compliance requirements as stated in the datasheet. Ensure that the procurement source provides valid traceability and authenticity guarantees for this high-performance RF integrated circuit.

Selection Notes

Select the ADF4196BCPZ when designing local oscillators for wireless receivers and transmitters requiring ultra-fast lock times, such as GSM base stations or pulse Doppler radar. The device eliminates the need for ping-pong synthesizers due to its fast settling capability. Ensure external loop filter and VCO components are compatible with the differential amplifier output range and the specified VP supply voltages for optimal phase noise performance.

Part Context

The ADF4196 is part of Analog Devices' portfolio of high-performance PLL frequency synthesizers designed for communication infrastructure and radar applications. It serves as a single-PLL replacement for traditional ping-pong architectures, reducing PCB area, shielding complexity, and system cost while maintaining strict timing requirements for time-slot guard periods in cellular networks.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.