Linear - Analog Multipliers, Dividers

Image Part Number Description / PDF Quantity Rfq
AD632TD/883B

AD632TD/883B

Analog Devices, Inc.

ANALOG MULTIPLIER OR DIVIDER, 1

523

AD633TRZ-EP-R7

AD633TRZ-EP-R7

Analog Devices, Inc.

BIPOLAR MULTIPLIER 4QUAD

0

ADSP-1081ATD

ADSP-1081ATD

Analog Devices, Inc.

8 X 8 CMOS MULTIPLIER

11

AD534LD

AD534LD

Analog Devices, Inc.

INTERNALLY TRIMMED PRECISION MUL

1646

AD834JR

AD834JR

Analog Devices, Inc.

ANALOG MULTIPLIER OR DIVIDER

2826

AD539KDZ

AD539KDZ

Analog Devices, Inc.

WIDEBAND DUAL-CHANNEL LINEARMULT

1200

AD734ANZ

AD734ANZ

Analog Devices, Inc.

IC MULT/DIV 4-QUADRANT 14-DIP

1265

AD534LH/+

AD534LH/+

Analog Devices, Inc.

TRIMMED PRECISION MULTIPLIER

0

AD632BH

AD632BH

Analog Devices, Inc.

ANALOG MULTIPLIER OR DIVIDER

183

ADSP-1081AJD

ADSP-1081AJD

Analog Devices, Inc.

8 X 8 CMOS MULTIPLIER

73

AD633JN

AD633JN

Analog Devices, Inc.

ANALOG MULTIPLIER OR DIVIDER

0

AD534SD/883B

AD534SD/883B

Analog Devices, Inc.

INTERNALLY TRIMMED PRECISION MUL

1472

AD534JD

AD534JD

Analog Devices, Inc.

TRIMMED PRECISION MULTIPLIER

250

AD532SH

AD532SH

Analog Devices, Inc.

IC MULTIPLIER 10V TO-100-10

1

AD539SD

AD539SD

Analog Devices, Inc.

DUAL-CHANNEL MULTIPLIER/DIVIDER

262

ADSP-1080AKN

ADSP-1080AKN

Analog Devices, Inc.

8 X 8 CMOS MULTIPLIER

0

AD734AQ

AD734AQ

Analog Devices, Inc.

IC MULTIPLIER/DIVIDER 14CDIP

0

AD534KH/+

AD534KH/+

Analog Devices, Inc.

TRIMMED PRECISION MULTIPLIER

882

ADL5519ACPZ-R2

ADL5519ACPZ-R2

Analog Devices, Inc.

1 MHZ TO 10 GHZ, 62DB DUAL LOG D

3207

ADSP-1008AKN

ADSP-1008AKN

Analog Devices, Inc.

8 X 8 CMOS MULTIPLIER

1969

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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