ADF4356 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADF4356
Manufacturer

ADI
ChipWorker Part#

CW369552460
Description

6.8GHz Wideband Synthesizer with Integrated VCO
Documentation

Datasheet

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ADF4356 Specifications

Attribute	Attribute Value

Part Number	ADF4356
Manufacturer	ADI
ChipWorker Part#	CW369552460
Documentation	Datasheet
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Product Lifecycle Status	Recommended for New Designs

Product Description

Product Details
The ADF4356 allows implementation of fractional-N or integer-N phase-locked loop (PLL) frequency synthesizers when used with an external loop filter and an external reference frequency. A series of frequency dividers at another frequency output permits operation from 53.125 MHz to 6800 MHz.
The ADF4356 has an integrated VCO with a fundamental output frequency ranging from 3400 MHz to 6800 MHz. In addition, the VCO frequency is connected to divide by 1, 2, 4, 8, 16, 32, or 64 circuits that allow the user to generate RF output frequencies as low as 53.125 MHz. For applications that require isolation, the RF output stage can be muted. The mute function is both pin- and software-controllable.
Control of all on-chip registers is through a simple 3-wire interface. The ADF4356 operates with analog and digital power supplies ranging from 3.15 V to 3.45 V, with charge pump and VCO supplies from 4.75 V to 5.25 V. The ADF4356 also contains hardware and software power-down modes.
Applications
Wireless infrastructure (LTE, W-CDMA, TD-SCDMA, WiMAX, GSM, PCS, DCS)
Point to point/point to multipoint microwave links
Satellites/VSATs
Test equipment/instrumentation
Clock generation
### Features and Benefits
RF output frequency range: 53.125 MHz to 6800 MHz
Integer channel: −227 dBc/Hz
Fractional channel: −225 dBc/Hz
Integrated RMS jitter (1 kHz to 20 MHz): 97 fs for 6 GHz output
Fractional-N synthesizer and integer-N synthesizer
Pin compatible to the ADF4355
High resolution, 52-bit modulus
Phase frequency detector (PFD) operation to 125 MHz
Reference input frequency operation to 600 MHz
Maintains frequency lock over −40°C to +85°C
Low phase noise, voltage controlled oscillator (VCO)
Programmable divide by 1, 2, 4, 8, 16, 32, or 64 output
Analog and digital power supplies: 3.3 V
Charge pump and VCO power supplies: 5.0 V typical
Logic compatibility: 1.8 V
Programmable output power level
RF output mute function
Supported in the ADIsimPLL design tool

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