Linear - Analog Multipliers, Dividers

Image Part Number Description / PDF Quantity Rfq
ADSP-1080AJD

ADSP-1080AJD

Analog Devices, Inc.

8 X 8 CMOS MULTIPLIER

52

AD534TH

AD534TH

Analog Devices, Inc.

INTERNALLY TRIMMED PRECISION MUL

3415

AD734AN

AD734AN

Analog Devices, Inc.

ANALOG MULTIPLIER OR DIVIDER

871

CY22381SC-154

CY22381SC-154

Rochester Electronics

PROGRAMMABLE PLL CLOCK MULTIPLIE

5115

AD834JRZ-R7

AD834JRZ-R7

Analog Devices, Inc.

ANALOG MULTIPLIER OR DIVIDER, 50

867

MPY534KH

MPY534KH

Burr-Brown (Texas Instruments)

ANALOG MULTIPLIER OR DIVIDER

144

AD632TD

AD632TD

Analog Devices, Inc.

ANALOG MULTIPLIER OR DIVIDER, 1

377

AD632AD

AD632AD

Analog Devices, Inc.

ANALOG MULTIPLIER OR DIVIDER, 1

467

AD633ARZ-R7

AD633ARZ-R7

Analog Devices, Inc.

IC MULTIPLIER ANALOG 8-SOIC

1911

AD532SD/883B

AD532SD/883B

Analog Devices, Inc.

INTERNALLY TRIMMED MULTIPLIER

20266

AD534KDZ

AD534KDZ

Analog Devices, Inc.

IC PREC MULTIPLIER 14-CDIP

37

MPY534KD

MPY534KD

Burr-Brown (Texas Instruments)

ANALOG MULTIPLIER OR DIVIDER

4524

ADSP-1010BJP

ADSP-1010BJP

Analog Devices, Inc.

16 X 16 MULTIPLIER/ACCUMULATOR

662

AD538SD/883B

AD538SD/883B

Analog Devices, Inc.

IC MULT/DIV REALTIME ACU 18CDIP

36

ADSP-1081AKN

ADSP-1081AKN

Analog Devices, Inc.

8 X 8 CMOS MULTIPLIER

330

GT4122-CDF

GT4122-CDF

ANALOG MULTIPLIER OR DIVIDER

30

AD534TE/883B

AD534TE/883B

Analog Devices, Inc.

INTERNALLY TRIMMED PRECISION MUL

1422

AM25S05PCB

AM25S05PCB

AM25S05 - MULTIPLIER, 4-BIT

348

AD633TRZ-EP

AD633TRZ-EP

Analog Devices, Inc.

BIPOLAR MULTIPLIER 4QUAD

299

AD834SQ/883B

AD834SQ/883B

Analog Devices, Inc.

ANALOG MULTIPLIER OR DIVIDER, 1

1437

Linear - Analog Multipliers, Dividers

1. Overview

Analog Multipliers and Dividers are linear integrated circuits (ICs) designed to perform mathematical operations on continuous analog signals. These devices multiply or divide two analog input signals to produce an output proportional to their product or quotient. Their ability to handle real-time signal processing tasks makes them critical in applications such as modulation/demodulation, power measurement, and sensor signal conditioning. With advancements in semiconductor technology, these ICs have become essential components in modern communication systems, industrial automation, and precision instrumentation.

2. Major Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Four-Quadrant MultipliersSupport both positive/negative inputs and outputs; high linearityCommunication signal modulation, phase-locked loops
Two-Quadrant MultipliersAccept one bipolar and one unipolar inputPower measurement, amplitude control
DividersPerform analog voltage/current division with stable quotient outputFrequency synthesis, feedback control systems
Programmable Gain Amplifiers (PGA)Digitally adjustable gain control via multipliersData acquisition systems, sensor calibration

3. Structure and Composition

Typical analog multipliers/dividers consist of: - Input differential amplifiers for signal conditioning - Core multiplier cells based on Gilbert cell architecture (using bipolar/CMOS transistors) - Temperature compensation circuits for stability - Output buffers for impedance matching - Packaging options: DIP, SOP, or QFN for PCB integration Advanced devices integrate laser-trimmed resistors for precision and on-chip references for calibration.

4. Key Technical Specifications

ParameterSignificance
Input Voltage RangeDetermines signal amplitude compatibility ( 1V to 10V typical)
BandwidthDefines operational frequency limits (DC to 100MHz range)
Accuracy (Error %)Critical for measurement systems (0.1%-1% error tolerance)
Power ConsumptionImpacts thermal performance and efficiency (5mA to 50mA typical)
Temperature StabilitySpecifies drift over industrial (-40 C to +85 C) or extended ranges

5. Application Areas

Key industries and equipment: - Telecommunications: Modems, spectrum analyzers, RF transceivers - Industrial Control: Programmable logic controllers (PLCs), sensor signal conditioners - Medical Devices: Ultrasound imaging systems, patient monitoring equipment - Consumer Electronics: Audio processors, smart meters - Case Example: Wireless base stations use AD835 multipliers for real-time signal modulation with 250MHz bandwidth.

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Analog DevicesAD835250MHz bandwidth, 10V input, 0.25% nonlinearity
Texas InstrumentsMPY63410MHz bandwidth, laser-trimmed accuracy, programmable gain
STMicroelectronicsLTC125612-bit resolution, low power consumption (5mA)
NXP SemiconductorsSA571Four-quadrant operation, automotive temperature rating

7. Selection Guidelines

Key considerations: - Match input/output ranges with system signal levels - Prioritize bandwidth for high-frequency applications - For precision tasks, select devices with laser-trimmed calibration - Evaluate temperature ratings for industrial environments - Consider package size for space-constrained designs - Balance cost vs. performance for volume production

8. Industry Trends

Emerging trends include: - Integration with digital interfaces (I2C, SPI) for programmable control - Development of radiation-hardened ICs for aerospace applications - Miniaturization through advanced CMOS processes (sub-10nm nodes) - Increased focus on low-power designs for IoT edge devices - Adoption in emerging fields like LiDAR signal processing and neural network analog accelerators

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