Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
MAX5352BEUA+T

MAX5352BEUA+T

Maxim Integrated

IC DAC 12BIT V-OUT 8UMAX

0

MCP48FVB12T-E/UN

MCP48FVB12T-E/UN

Roving Networks / Microchip Technology

IC DAC 10BIT V-OUT 10MSOP

0

LTC2751BCUHF-16#PBF

LTC2751BCUHF-16#PBF

Analog Devices, Inc.

IC DAC 16BIT A-OUT 38QFN

0

AD5545BRUZ-REEL7

AD5545BRUZ-REEL7

Analog Devices, Inc.

IC DAC 16BIT A-OUT 16TSSOP

0

LTC2634HMSE-HMX8#PBF

LTC2634HMSE-HMX8#PBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT 10MSOP

0

AD5663BCPZ-REEL7

AD5663BCPZ-REEL7

Analog Devices, Inc.

AD5663 - D/A CONVERTER, SERIAL I

17872

DAC101C081CIMK/NOPB

DAC101C081CIMK/NOPB

Texas Instruments

IC DAC 10BIT V-OUT TSOT23-6

6757

AD5304ARM

AD5304ARM

Analog Devices, Inc.

DAC,SERIAL INPUT LOADING

7083

LTC1590CN#PBF

LTC1590CN#PBF

Analog Devices, Inc.

IC DAC 12BIT A-OUT 16DIP

90

DAC7734E

DAC7734E

Texas Instruments

IC DAC 16BIT V-OUT 48SSOP

118

AD8804ARUZ-REEL

AD8804ARUZ-REEL

Analog Devices, Inc.

D/A CONVERTER, 12 FUNC, SERIAL I

23452

MAX509ACAP+

MAX509ACAP+

Maxim Integrated

IC DAC 8BIT V-OUT 20SSOP

1081254

AD9136BCPAZ

AD9136BCPAZ

Analog Devices, Inc.

IC DAC 16BIT A-OUT 88LFCSP

0

AD8522ARZ-REEL

AD8522ARZ-REEL

Analog Devices, Inc.

IC DAC 12BIT V-OUT 14SO

0

AD5301BRMZ-REEL7

AD5301BRMZ-REEL7

Analog Devices, Inc.

IC DAC 8BIT V-OUT 8MSOP

496

TLV5624ID

TLV5624ID

Texas Instruments

IC DAC 8BIT V-OUT 8SOIC

349

LTC2634HMSE-LMI8#PBF

LTC2634HMSE-LMI8#PBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT 10MSOP

0

AD5066ARUZ-REEL7

AD5066ARUZ-REEL7

Analog Devices, Inc.

16-BIT VOUT, QUAD SPI NANODAC

1000

MX7538JCWG

MX7538JCWG

Analog Devices, Inc.

MCU CMOS 14-BIT DAC

368

DAC7621E/1K

DAC7621E/1K

Texas Instruments

IC DAC 12BIT V-OUT 20SSOP

0

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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