ADF4154BRUZ

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ADF4154BRUZ

IC FRAC-N FREQ SYNTH 16-TSSOP

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規格

Supplier Analog Devices Inc.
Package Tube
ProductStatus Active
Type Fractional N Synthesizer (RF)
PLL Yes
Input CMOS, TTL
Output Clock
NumberofCircuits 1
Ratio-Input:Output 2:1
Differential-Input:Output Yes/No
Frequency-Max 4GHz
Divider/Multiplier No/Yes
Voltage-Supply 2.7V ~ 3.3V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 16-TSSOP (0.173, 4.40mm Width)

概述

Description

The ADF4154BRUZ is Analog Devices’ high-performance fractional-N PLL frequency synthesizer. It generates RF outputs by programmable integer (N) and fractional (FRAC/MOD) division of a reference clock, enabling fine tuning with low spurs via sigma-delta fractional-N techniques. The device uses a prescaler (to support wide output ranges) and requires an external VCO and loop filter (plus a reference input and feedback path). Programming is via a serial interface (SPI-compatible) to set N, FRAC/MOD, R (reference divider), charge-pump current, loop filters, and other options; it also provides lock detect and power-down features. Benefits include high tuning resolution, low phase noise, and flexible integration for RF/microwave designs. Typical applications: wireless transceivers, radar, instrumentation, and test equipment. BRUZ indicates the package variant (RoHS-compliant) with certain temperature range. For exact electrical characteristics, pinout, and programming details, consult the ADF4154 data sheet.

Features

Here are the key features of the ADF4154BRUZ (Analog Devices):
- Quad, four-channel fractional-N PLL frequency synthesizer
- Each channel provides independent fractional-N division (N and fractional modulus)
- Wide RF output/synthesis range suitable for multi-GHz applications
- Shared reference input with flexible reference handling
- SPI-compatible serial control interface for register programming
- Integrated phase detector, charge pump, and lock detect per channel
- Fast lock and low spur/low phase-noise performance
- Powerful power-management options including configurable CP current and power-down
- Independent channel enable/disable and output control
- RoHS-compliant BRUZ package variant for convenient integration
Note: For exact electrical specs (frequencies, phase noise, spurs, settling times, voltage, etc.), please refer to the official datasheet.

Package

ADF4154BRUZ is a RoHS-compliant 28‑pin LFCSP (lead-frame chip-scale package), typically 4x4 mm.

Pinout

- Pin count: 40 pins (LQFP/BRUZ package).
- Function: Quad, fractional-N phase-locked loop (PLL) frequency synthesizer with four independent channels, programmable via an SPI-compatible serial interface for each channel (reference divider, N, fractional modulus, and output/divider settings). Each channel provides its own RF output.

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI)
- Type of company: An American multinational semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing integrated circuits for communications, automotive, industrial, and consumer electronics.

Application

Applications of ADF4154BRUZ:
- Local-oscillator/frequency synthesizer for RF transceivers and receivers
- Wireless infrastructure: base stations, point-to-point microwave links
- Radar, military/aerospace, and satellite communication systems
- Test and measurement equipment: RF signal generators, LO sources
- Research and development labs needing wideband fractional-N PLLs with integrated VCO

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