Linear - Analog Multipliers, Dividers

Image Part Number Description / PDF Quantity Rfq
AD538AD

AD538AD

Analog Devices, Inc.

IC MULT/DIV REALTIME ACU 18-CDIP

2

AD834AR

AD834AR

Analog Devices, Inc.

ANALOG MULTIPLIER OR DIVIDER

1671

ADSP-1081AKD

ADSP-1081AKD

Analog Devices, Inc.

8 X 8 CMOS MULTIPLIER

80

ADSP-1110ATD

ADSP-1110ATD

Analog Devices, Inc.

16 X 16 MULTIPLIER/ACCUMULATOR

2

AD834JNZ

AD834JNZ

Analog Devices, Inc.

IC MULTIPLIER QUADRANT 8DIP

4

ADSP-1008AKD

ADSP-1008AKD

Analog Devices, Inc.

8 X 8 CMOS MULTIPLIER

0

AD534KH

AD534KH

Analog Devices, Inc.

TRIMMED PRECISION MULTIPLIER

59

AD633JR

AD633JR

Analog Devices, Inc.

ANALOG MULTIPLIER OR DIVIDER

12514

ADSP-1081ASD/883B

ADSP-1081ASD/883B

Analog Devices, Inc.

8 X 8 CMOS MULTIPLIER

39

AD539KN

AD539KN

Analog Devices, Inc.

DUAL-CHANNEL MULTIPLIER/DIVIDER

609

AD539SE/883B

AD539SE/883B

Analog Devices, Inc.

WIDEBAND DUAL-CHANNEL LINEARMULT

157

AD835AR-REEL7

AD835AR-REEL7

Analog Devices, Inc.

ANALOG MULTIPLIER OR DIVIDER

11891

AD633JNZ

AD633JNZ

Analog Devices, Inc.

IC ANALOG MULTIPLIER 8-DIP

3930

ADSP-1081ASD

ADSP-1081ASD

Analog Devices, Inc.

8 X 8 CMOS MULTIPLIER

30

AD834AQ

AD834AQ

Analog Devices, Inc.

IC MULTIPLIER 4-QUADRANT 8-CDIP

2

AD532KHZ

AD532KHZ

Analog Devices, Inc.

IC MULTIPLIER TRIMMED TO-100-10

77

AD835ANZ

AD835ANZ

Analog Devices, Inc.

IC MULTIPLIER 4-QUADRANT 8-DIP

65

ADSP-1008AJD

ADSP-1008AJD

Analog Devices, Inc.

8 X 8 CMOS MULTIPLIER

652

AD534LDZ

AD534LDZ

Analog Devices, Inc.

IC PREC MULTIPLIER 14-CDIP

42

AD534LH

AD534LH

Analog Devices, Inc.

TRIMMED PRECISION MULTIPLIER

3986

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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