Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
DAC0802LCMX

DAC0802LCMX

Texas Instruments

DAC0802 8-BIT DAC

25000

TLV5621EDR

TLV5621EDR

Texas Instruments

DAC, SERIAL INPUT

32500

DAC108S085CISQ/NOPB

DAC108S085CISQ/NOPB

Texas Instruments

IC DAC 10BIT V-OUT 16WQFN

9467

DAC5672MPFBREP

DAC5672MPFBREP

Texas Instruments

DAC5672-EP ENHANCED PRODUCT DUAL

25

DAC3484IRKDT

DAC3484IRKDT

Texas Instruments

IC DAC 16BIT A-OUT 88WQFN

359

DAC7568IAPW

DAC7568IAPW

Texas Instruments

IC DAC 12BIT V-OUT 14TSSOP

1178

TLV5613CDW

TLV5613CDW

Texas Instruments

IC DAC 12BIT V-OUT 20SOIC

97

DAC8574IPWR

DAC8574IPWR

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

0

TLC7524CNSR

TLC7524CNSR

Texas Instruments

IC DAC 8BIT A-OUT 16SO

0

DAC8565ICPW

DAC8565ICPW

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

98

DAC8811IBDGKTG4

DAC8811IBDGKTG4

Texas Instruments

IC DAC 16BIT A-OUT 8VSSOP

0

DAC7311IDCKT

DAC7311IDCKT

Texas Instruments

IC DAC 12BIT V-OUT SC70-6

42

TLC5620CDRG4

TLC5620CDRG4

Texas Instruments

IC DAC 8BIT V-OUT 14SOIC

0

TLC5618ACP

TLC5618ACP

Texas Instruments

DAC, SERIAL INPUT

1996

TLC7528CDW

TLC7528CDW

Texas Instruments

IC DAC 8BIT A-OUT 20SOIC

337

DAC8168IAPWR

DAC8168IAPWR

Texas Instruments

IC DAC 14BIT V-OUT 14TSSOP

0

DAC3282IRGZR

DAC3282IRGZR

Texas Instruments

IC DAC 16BIT A-OUT 48VQFN

0

DAC61408RHAT

DAC61408RHAT

Texas Instruments

IC DAC 12BIT V-OUT 40VQFN

232

TLC7628CDWR

TLC7628CDWR

Texas Instruments

IC DAC 8BIT A-OUT 20SOIC

0

DAC8806IDBR

DAC8806IDBR

Texas Instruments

DAC8806 14-BIT, SINGLE CHANNEL,

6000

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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