ADL5391 datasheet, PDF - EEWORLD Datasheet

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ADL5391: DescriptionDC to 2.0 ghz multiplier; Categorysemiconductor Discrete semiconductor; File Size396KB，16 Pages; ManufacturerADI; Websitehttps://www.analog.com; Environmental Compliance

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ADL5391 Overview

DC to 2.0 ghz multiplier

User Manual

【User Guides】DC464A - Demo Manual

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DC to 2.0 GHz

Multiplier

ADL5391

FEATURES

Ultrafast symmetric multiplier

Function: V

= α × (V

× V

)/1 V + V

Unique design ensures absolute XY-symmetry

Identical X and Y amplitude/timing responses

Adjustable gain scaling, α

DC-coupled throughout, 3 dB bandwidth of 2 GHz

Fully differential inputs, may be used single ended

Low noise, high linearity

Accurate, temperature stable gain scaling

Single-supply operation (4.5 V to 5.5 V @ 130 mA)

Low current power-down mode

16-lead LFCSP

FUNCTIONAL BLOCK DIAGRAM

YMNS YPLS

GADJ

XPLS

XMNS

ZMNS

ZPLS

WPLS

ENBL

VMID

WMNS

ADL5391

COMM VPOS

06059-001

W =

αXY/1V+Z

Figure 1.

APPLICATIONS

Wideband multiplication and summing

High frequency analog modulation

Adaptive antennas (diversity/phased array)

Square-law detectors and true rms detectors

Accurate polynomial function synthesis

DC capable VGA with very fast control

GENERAL DESCRIPTION

The ADL5391 draws on three decades of experience in

advanced analog multiplier products. It provides the same

general mathematical function that has been field proven to

provide an exceptional degree of versatility in function synthesis.

× (V

)/ 1 V +

The most significant advance in the ADL5391 is the use of a

new multiplier core architecture, which differs markedly from

the conventional form that has been in use since 1970. The

conventional structure that employs a current mode, translinear

core is fundamentally asymmetric with respect to the X and Y

inputs, leading to relative amplitude and timing misalignments

that are problematic at high frequencies. The new multiplier

core eliminates these misalignments by offering symmetric

signal paths for both X and Y inputs. The Z input allows a signal

to be added directly to the output. This can be used to cancel a

carrier or to apply a static offset voltage.

The fully differential X, Y, and Z input interfaces are operational

over a ±2 V range, and they can be used in single-ended fashion.

The user can apply a common mode at these inputs to vary

from the internally set V

POS

/2 down to ground. If these inputs

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

are ac-coupled, their nominal voltage will be V

POS

/2. These input

interfaces each present a differential 500 Ω input impedance up to

approximately 700 MHz, decreasing to 50 Ω at 2 GHz. The gain

scaling input, GADJ, can be used for fine adjustment of the gain

scaling constant (α) about unity.

The differential output can swing ±2 V about the V

POS

common-mode and can be taken in a single-ended fashion as

well. The output common mode is designed to interface directly

to the inputs of another ADL5391. Light dc loads can be ground

referenced; however, ac-coupling of the outputs is recommended

for heavy loads.

The ENBL pin allows the ADL5391 to be disabled quickly to a

standby mode. It operates off supply voltages from 4.5 V to

5.5 V while consuming approximately 130 mA.

The ADL5391 is fabricated on Analog Devices proprietary, high

performance, 65 GHz, SOI complementary, SiGe bipolar IC

process. It is available in a 16-lead, Pb-free, LFCSP and operates

over a −40°C to +85°C temperature range. Evaluation boards

are available.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

www.analog.com

Fax: 781.461.3113

ADL5391 Related Products

	ADL5391	ADL5391ACPZ-R2
Description	DC to 2.0 ghz multiplier	DC to 2.0 ghz multiplier

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