Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
DAC7714UB/1K

DAC7714UB/1K

Texas Instruments

IC DAC 12BIT V-OUT 16SOIC

0

DAC5311IDCKRG4

DAC5311IDCKRG4

Texas Instruments

IC DAC 8BIT V-OUT SC70-6

0

DAC8532IDGKRG4

DAC8532IDGKRG4

Texas Instruments

IC DAC 16BIT V-OUT 8VSSOP

0

DAC8228SRTQR

DAC8228SRTQR

Texas Instruments

IC DAC 14BIT V-OUT 56QFN

0

DAC8531E/250

DAC8531E/250

Texas Instruments

IC DAC 16BIT V-OUT 8VSSOP

3097

DAC5571IDBVTG4

DAC5571IDBVTG4

Texas Instruments

IC DAC 8BIT V-OUT SOT23-6

0

DAC80508MCYZFT

DAC80508MCYZFT

Texas Instruments

IC DAC 16BIT V-OUT 16DSBGA

235

DAC60501MDQFT

DAC60501MDQFT

Texas Instruments

SINGLE CHANNEL DAC 12BIT- MIDCOD

464

DAC7744E/1K

DAC7744E/1K

Texas Instruments

DAC7744 16-BIT, QUAD VOLTAGE OUT

2603

DAC7643VFBT

DAC7643VFBT

Texas Instruments

DAC, PARALLEL, WORD INPUT

1972

AD7524AN

AD7524AN

Texas Instruments

DAC, PARALLEL, 8 BITS

1390

DAC71416RHAT

DAC71416RHAT

Texas Instruments

IC DAC 14BIT V-OUT 40VQFN

311

DAC7718SPAG

DAC7718SPAG

Texas Instruments

IC DAC 12BIT V-OUT 64TQFP

180

TLV5627CPWR

TLV5627CPWR

Texas Instruments

TLV5627 8-BIT, 3 US QUAD DAC, SE

11128

DAC908E

DAC908E

Texas Instruments

IC DAC 8BIT A-OUT 28TSSOP

615

DAC2904Y/250

DAC2904Y/250

Texas Instruments

IC DAC 14BIT A-OUT 48TQFP

127

DAC8803IDBR

DAC8803IDBR

Texas Instruments

DAC8803 14-BIT, QUAD CHANNEL, SE

11674

DAC8564IDPW

DAC8564IDPW

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

628

TLC7524IDG4

TLC7524IDG4

Texas Instruments

IC DAC 8BIT A-OUT 16SOIC

0

DAC60508MRTET

DAC60508MRTET

Texas Instruments

IC DAC 12BIT V-OUT 16WQFN

274

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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