Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
DAC53608RTER

DAC53608RTER

Texas Instruments

DIGITAL TO ANALOG CONVERTER

0

DAC80501MDGSR

DAC80501MDGSR

Texas Instruments

SINGALE CHANNEL DAC 16BIT

1050

DAC3283IRGZT

DAC3283IRGZT

Texas Instruments

IC DAC 16BIT A-OUT 48VQFN

334

TLC7524CNS

TLC7524CNS

Texas Instruments

TLC7524 8-BIT, 0.1 US MDAC, PARA

6041

DAC60004IDMDT

DAC60004IDMDT

Texas Instruments

IC DAC 12BIT V-OUT 14VSON

140

DAC8822QCDBT

DAC8822QCDBT

Texas Instruments

IC DAC 16BIT A-OUT 38TSSOP

61

TLV5626CDRG4

TLV5626CDRG4

Texas Instruments

IC DAC 8BIT V-OUT 8SOIC

0

THS5671AIPW

THS5671AIPW

Texas Instruments

THS5671A 14-BIT, 125-MSPS DIGITA

2302

DAC8832IBRGYT

DAC8832IBRGYT

Texas Instruments

DAC8832 16-BIT ULTRA-LOW POWER V

4450

DAC80508MRTER

DAC80508MRTER

Texas Instruments

IC DAC 16BIT V-OUT 16WQFN

0

DAC8801IDRBT

DAC8801IDRBT

Texas Instruments

IC DAC 14BIT A-OUT 8SON

27

DAC8831IBRGYT

DAC8831IBRGYT

Texas Instruments

DAC, 1 FUNC, SERIAL INPUT LOADIN

3278

DAC6571IDBVT

DAC6571IDBVT

Texas Instruments

IC DAC 10BIT V-OUT SOT23-6

500

DAC7512N/250

DAC7512N/250

Texas Instruments

IC DAC 12BIT V-OUT SOT23-6

3966

DAC7571IDBVT

DAC7571IDBVT

Texas Instruments

IC DAC 12BIT V-OUT SOT23-6

1074

DAC7632VFBT

DAC7632VFBT

Texas Instruments

DAC7632 16-BIT, DUAL VOLTAGE OUT

38490

DAC80501MDGST

DAC80501MDGST

Texas Instruments

SINGALE CHANNEL DAC 16BIT

146

TLC5617A1D

TLC5617A1D

Texas Instruments

D/A CONVERTER

0

DAC8832IRGYT

DAC8832IRGYT

Texas Instruments

DAC8832 16-BIT ULTRA-LOW POWER V

312

DAC7714UBG4

DAC7714UBG4

Texas Instruments

IC DAC 12BIT V-OUT 16SOIC

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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