Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
TLV5614IYER

TLV5614IYER

Texas Instruments

DAC, SERIAL INPUT

3403

DAC5662AIPFBR

DAC5662AIPFBR

Texas Instruments

DAC5662A DUAL-CHANNEL, 12-BIT, 2

984

TLV5627ID

TLV5627ID

Texas Instruments

TLV5627 8-BIT, 3 US QUAD DAC, SE

11385

TLC7524IPWG4

TLC7524IPWG4

Texas Instruments

IC DAC 8BIT A-OUT 16TSSOP

0

DAC7801LU/1K

DAC7801LU/1K

Texas Instruments

DAC, PARALLEL, 8 BITS INPUT

1000

PCM56P-KG4

PCM56P-KG4

Texas Instruments

DAC, SERIAL INPUT

0

DAC101S101CIMM/NOPB

DAC101S101CIMM/NOPB

Texas Instruments

IC DAC 10BIT V-OUT 8VSSOP

2415

TLV5633IPW

TLV5633IPW

Texas Instruments

TLV5633 12-BIT DAC PARALLEL VOLT

18915

TLV5624IDGKR

TLV5624IDGKR

Texas Instruments

IC DAC 8BIT V-OUT 8VSSOP

0

DAC70504RTER

DAC70504RTER

Texas Instruments

IC DAC 14BIT V-OUT 16WQFN

0

DAC5571IDBVRG4

DAC5571IDBVRG4

Texas Instruments

IC DAC 8BIT V-OUT SOT23-6

0

DAC8163TDSCT

DAC8163TDSCT

Texas Instruments

IC DAC 14BIT V-OUT 10WSON

250

PCM69AU-1

PCM69AU-1

Texas Instruments

18 BIT BICOMOS DAC

2432

DAC8811IBDGKR

DAC8811IBDGKR

Texas Instruments

IC DAC 16BIT A-OUT 8VSSOP

1881

DAC2900Y/1K

DAC2900Y/1K

Texas Instruments

DAC2900 DUAL-CHANNEL, 10-BIT, 12

17650

5962-87700012A

5962-87700012A

Texas Instruments

8-BIT MULTIPLYING BUFFERED DAC

2517

DAC0800LCM

DAC0800LCM

Texas Instruments

IC DAC 8BIT A-OUT 16SOIC

231

DAC7734EB

DAC7734EB

Texas Instruments

IC DAC 16BIT V-OUT 48SSOP

17

TLV5618ACP

TLV5618ACP

Texas Instruments

IC DAC 12BIT V-OUT 8DIP

28

DAC714U/1K

DAC714U/1K

Texas Instruments

DAC714 16-BIT DIGITAL-TO-ANALOG

263

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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