Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
DAC7541AKU/1K

DAC7541AKU/1K

Texas Instruments

DAC, PARALLEL, WORD INPUT

917

DAC716U

DAC716U

Texas Instruments

IC DAC 16BIT V-OUT 16SOIC

3426

DAC5672AIPFBR

DAC5672AIPFBR

Texas Instruments

IC DAC 14BIT A-OUT 48TQFP

0

DAC811JU/1K

DAC811JU/1K

Texas Instruments

IC DAC 12BIT V-OUT 28SOIC

0

DAC8802IPW

DAC8802IPW

Texas Instruments

IC DAC 14BIT A-OUT 16TSSOP

1269

DAC7611U

DAC7611U

Texas Instruments

IC DAC 12BIT V-OUT 8SOIC

0

TLV5630IPWG4

TLV5630IPWG4

Texas Instruments

IC DAC 12BIT V-OUT 20TSSOP

0

TLC7524CFNR

TLC7524CFNR

Texas Instruments

TLC7524 8-BIT, 0.1 US MDAC, PARA

22000

DAC7632VFTG4

DAC7632VFTG4

Texas Instruments

D/A CONVERTER, 1 FUNC, SERIAL IN

70

PCM67U-J

PCM67U-J

Texas Instruments

DAC 2-CH R-2R 18-BIT

56

TLV5619CDW

TLV5619CDW

Texas Instruments

IC DAC 12BIT V-OUT 20SOIC

38

DAC7552IRGTR

DAC7552IRGTR

Texas Instruments

IC DAC 12BIT V-OUT 16QFN

723

DAC8551IDGKRG4

DAC8551IDGKRG4

Texas Instruments

IC DAC 16BIT V-OUT 8VSSOP

0

TLC5617ACDR

TLC5617ACDR

Texas Instruments

DAC, SERIAL INPUT LOADING

2320

DAC8534IPW

DAC8534IPW

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

1561

DAC7728SPAGR

DAC7728SPAGR

Texas Instruments

IC DAC 12BIT V-OUT 64TQFP

0

TLV5613IDWR

TLV5613IDWR

Texas Instruments

DAC, PARALLEL, WORD INPUT

7172

DAC8565ICPWR

DAC8565ICPWR

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

0

DAC70BH-CSB-I

DAC70BH-CSB-I

Texas Instruments

DAC, PARALLEL, WORD INPUT

5

DAC5672MPFBEP

DAC5672MPFBEP

Texas Instruments

IC DAC 14BIT A-OUT 48TQFP

193

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.

RFQ BOM Call Skype Email
Top