Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
DAC088S085CIMTX/NOPB

DAC088S085CIMTX/NOPB

Texas Instruments

IC DAC 8BIT V-OUT 16TSSOP

7823

DAC8164IBPW

DAC8164IBPW

Texas Instruments

DAC8164 14-BIT, QUAD CHANNEL, UL

6016

DAC8551IDGKTG4

DAC8551IDGKTG4

Texas Instruments

IC DAC 16BIT V-OUT 8VSSOP

0

DAC7614EB/1K

DAC7614EB/1K

Texas Instruments

IC DAC 12BIT V-OUT 20SSOP

0

DAC5662IPFBR

DAC5662IPFBR

Texas Instruments

IC DAC 12BIT A-OUT 48TQFP

0

DAC8565IDPW

DAC8565IDPW

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

272

DAC811JUG4

DAC811JUG4

Texas Instruments

IC DAC 12BIT V-OUT 28SOIC

0

DAC8881SRGETG4

DAC8881SRGETG4

Texas Instruments

IC DAC 16BIT V-OUT 24VQFN

0

DAC7725UG4

DAC7725UG4

Texas Instruments

IC DAC 12BIT V-OUT 28SOIC

0

TLV5620CN

TLV5620CN

Texas Instruments

IC DAC 8BIT V-OUT 14DIP

167

DAC121C081CISDX/NOPB

DAC121C081CISDX/NOPB

Texas Instruments

IC DAC 12BIT V-OUT 6WSON

0

DAC70004IDMDT

DAC70004IDMDT

Texas Instruments

IC DAC 14BIT V-OUT 14VSON

174

DAC7642VFT

DAC7642VFT

Texas Instruments

IC DAC 16BIT V-OUT 32LQFP

203

DAC7554IDGSRG4

DAC7554IDGSRG4

Texas Instruments

IC DAC 12BIT V-OUT 10VSSOP

0

TLV5617ACDG4

TLV5617ACDG4

Texas Instruments

IC DAC 10BIT V-OUT 8SOIC

0

DAC8760IRHAT

DAC8760IRHAT

Texas Instruments

IC DAC 16BIT V OR A-OUT 40VQFN

365

TLV5627IPW

TLV5627IPW

Texas Instruments

IC DAC 8BIT V-OUT 16TSSOP

272

DAC081S101CIMM/NOPB

DAC081S101CIMM/NOPB

Texas Instruments

IC DAC 8BIT V-OUT 8VSSOP

1899

DAC8571IDGKG4

DAC8571IDGKG4

Texas Instruments

IC DAC 16BIT V-OUT 8VSSOP

0

TLV5638QDREP

TLV5638QDREP

Texas Instruments

IC DAC 12BIT V-OUT 8SOIC

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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