Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
AD5628BRUZ-1

AD5628BRUZ-1

Analog Devices, Inc.

IC DAC 12BIT V-OUT 14TSSOP

886

LTC2655BCUF-L16#PBF

LTC2655BCUF-L16#PBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 20QFN

0

AD5555CRUZ

AD5555CRUZ

Analog Devices, Inc.

IC DAC 14BIT A-OUT 16TSSOP

348

AD7564BRS

AD7564BRS

Analog Devices, Inc.

DAC, 4 CH, SERIAL INPUT LOADING

2490

AD7937BRZ

AD7937BRZ

Analog Devices, Inc.

2 CH DAC, PARALLEL, 8 BITS INPUT

0

AD5420ACPZ-REEL7

AD5420ACPZ-REEL7

Analog Devices, Inc.

IC DAC 16BIT A-OUT 40LFCSP

0

LTC1655LCN8#PBF

LTC1655LCN8#PBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 8DIP

45

LTC2633CTS8-HZ12#TRPBF

LTC2633CTS8-HZ12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

0

AD660BRZ-REEL

AD660BRZ-REEL

Analog Devices, Inc.

IC DAC 16BIT V-OUT 24SOIC

0

AD9744ARZRL

AD9744ARZRL

Analog Devices, Inc.

IC DAC 14BIT A-OUT 28SOIC

0

AD7568BP

AD7568BP

Analog Devices, Inc.

DAC, 8 CH, SERIAL INPUT LOADING

1919

MAX5352AEPA

MAX5352AEPA

Analog Devices, Inc.

12-BIT VOLTAGE-OUT DAC, SERIAL

2561

AD5640BRJZ-1500RL7

AD5640BRJZ-1500RL7

Analog Devices, Inc.

IC DAC 14BIT V-OUT SOT23-8

861

AD7564BNZ

AD7564BNZ

Analog Devices, Inc.

IC DAC 12BIT A-OUT 28DIP

35

AD5697RBCPZ-RL7

AD5697RBCPZ-RL7

Analog Devices, Inc.

IC DAC 12BIT V-OUT 16LFCSP

840

5962-8770202RX

5962-8770202RX

Analog Devices, Inc.

DUAL MARKED (AD7545TQ/883B)

324

PM7528FSRZ

PM7528FSRZ

Analog Devices, Inc.

8-BIT BUFFERED MULTIPLYING DAC

1370

AD5622YKSZ-2500RL7

AD5622YKSZ-2500RL7

Analog Devices, Inc.

IC DAC 12BIT V-OUT SC70-6

110

AD5722AREZ

AD5722AREZ

Analog Devices, Inc.

IC DAC 12BIT V-OUT 24TSSOP

172

AD5683RACPZ-2RL7

AD5683RACPZ-2RL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT 8LFCSP

2838

Data Acquisition - Digital to Analog Converters (DAC)

1. Overview

Digital-to-Analog Converters (DACs) are semiconductor devices that convert digital signals into analog voltages or currents. They serve as critical interfaces between digital systems and real-world analog environments. DACs are essential in applications requiring precise control of analog outputs, such as audio processing, industrial automation, and communication systems. Their performance directly impacts signal fidelity, system accuracy, and overall efficiency in data acquisition chains.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Current-Steering DACHigh-speed operation using switched current sourcesRF signal generation, high-speed test equipment
Voltage-Output DACDirect voltage generation with built-in amplifiersProcess control, sensor calibration
Multiplixing DACSupports variable reference inputs for signal modulationDigital gain control, programmable power supplies
Pipeline DACSegmented architecture for high sample ratesCommunication transmitters, video processing
Sigma-Delta ( - ) DACHigh-resolution with noise shaping techniquesAudio systems, precision measurement instruments

3. Structure and Components

A typical DAC IC comprises: - Digital Interface (SPI, I2C, or parallel bus) - Decoder Circuitry for binary/thermometer code conversion - Resistor/Capacitor Arrays for weighted signal summation - Switch Matrix controlling current/voltage paths - Output Amplifier conditioning the analog signal - Reference Voltage Source ensuring conversion stability Modern DACs often integrate calibration logic and temperature compensation circuits in QFN, TSSOP, or BGA packages.

4. Key Technical Specifications

ParameterSignificance
Resolution (bits)Determines the smallest analog change (e.g., 12-bit 4096 steps)
Sample Rate (SPS)Maximum conversion speed (up to 10 GSPS in RF DACs)
Integral Nonlinearity (INL)Measures deviation from ideal transfer function
Differential Nonlinearity (DNL)Indicates step size consistency
Settling TimeTime to stabilize output after digital input change
Power ConsumptionCrucial for portable/battery-powered systems

5. Application Areas

Main industries include: - Consumer Electronics: Smartphones (audio DACs), streaming devices - Industrial Automation: PLC systems, CNC machine control - Medical Equipment: MRI imaging systems, patient monitoring - Telecommunications: Optical modems, 5G base stations - Test & Measurement: Signal generators, oscilloscopes - Automotive: EV battery management, ADAS sensor calibration

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Texas InstrumentsDAC38J8416-bit, 2.5 GSPS RF DAC with JESD204B interface
Analog DevicesAD575516-channel, industrial voltage/current output DAC
Maxim IntegratedMAX513410-bit, 1.8V low-power video DAC
Nordic SemiconductornRF21540RF front-end with integrated DAC for IoT devices

7. Selection Guidelines

Key considerations: - Match resolution and speed requirements (e.g., audio vs. RF applications) - Evaluate output type (current/voltage) and drive capability - Assess linearity specifications (INL/DNL) for precision needs - Consider power budget and thermal management - Verify digital interface compatibility (SPI, I2C, etc.) - Temperature range and package type for environmental conditions - Calibration features for long-term stability

8. Industry Trends

Current development directions include: - Integration with ADCs and signal processors in SoC solutions - Advancements in R-2R ladder architectures for higher precision - Development of radiation-hardened DACs for aerospace applications - Energy-efficient designs for IoT edge devices - Expansion of AI-driven calibration algorithms - Adoption of advanced packaging (e.g., 3D stacking) for higher density Market growth is driven by 5G infrastructure, autonomous vehicles, and industrial IoT deployments requiring high-speed, high-accuracy signal conversion.

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