Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
DAC8531E/2K5

DAC8531E/2K5

Texas Instruments

IC DAC 16BIT V-OUT 8VSSOP

3832

DAC7811IDGSTG4

DAC7811IDGSTG4

Texas Instruments

DAC7811 12-BIT, SINGLE-CHANNEL,

1250

DAC39J84IAAV

DAC39J84IAAV

Texas Instruments

DAC39J84 QUAD-CHANNEL, 16-BIT, 2

1334

DAC7634EBG4

DAC7634EBG4

Texas Instruments

IC DAC 16BIT V-OUT 48SSOP

0

TLV5613CPWR

TLV5613CPWR

Texas Instruments

DAC, PARALLEL, WORD INPUT

2000

DAC7568ICPW

DAC7568ICPW

Texas Instruments

IC DAC 12BIT V-OUT 16TSSOP

781

TLC7528CDWRG4

TLC7528CDWRG4

Texas Instruments

IC DAC 8BIT A-OUT 20SOIC

0

TLV5619IDWG4

TLV5619IDWG4

Texas Instruments

IC DAC 12BIT V-OUT 20SOIC

0

DAC8532IDGKR

DAC8532IDGKR

Texas Instruments

IC DAC 16BIT V-OUT 8VSSOP

2792

DAC7634EB/1K

DAC7634EB/1K

Texas Instruments

DAC, SERIAL INPUT

1850

DAC5652AIRSLR

DAC5652AIRSLR

Texas Instruments

IC DAC 10BIT A-OUT 48VQFN

0

DAC80508ZCYZFR

DAC80508ZCYZFR

Texas Instruments

IC DAC 16BIT V-OUT 16DSBGA

0

DAC5652AIPFB

DAC5652AIPFB

Texas Instruments

IC DAC 10BIT A-OUT 48TQFP

133

DAC0808LCMX/NOPB

DAC0808LCMX/NOPB

Texas Instruments

IC DAC 8BIT A-OUT 16SOIC

3144

DAC8760IRHAR

DAC8760IRHAR

Texas Instruments

IC DAC 16BIT V OR A-OUT 40VQFN

331

DAC8802IPWRG4

DAC8802IPWRG4

Texas Instruments

IC DAC 14BIT A-OUT 16TSSOP

0

TLV5624CDGK

TLV5624CDGK

Texas Instruments

TLV5624 8-BIT, 1.0 TO 3.5 US DAC

4742

DAC7654YBR

DAC7654YBR

Texas Instruments

DAC, SERIAL INPUT

3261

DAC81416RHAT

DAC81416RHAT

Texas Instruments

IC DAC 16BIT 40VQFN

133

DAC60504BRTER

DAC60504BRTER

Texas Instruments

DIGITAL TO ANALOG CONVERTER

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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