Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
TLC5618AIP

TLC5618AIP

Texas Instruments

DAC, SERIAL INPUT

1088

TLC7226IN

TLC7226IN

Texas Instruments

IC DAC 8BIT V-OUT 20DIP

2198

DAC084S085CIMM/NOPB

DAC084S085CIMM/NOPB

Texas Instruments

IC DAC 8BIT V-OUT 10VSSOP

5496

DAC7811IDGSR

DAC7811IDGSR

Texas Instruments

IC DAC 12BIT A-OUT 10VSSOP

7813

DAC108S085CISQX/NOPB

DAC108S085CISQX/NOPB

Texas Instruments

DAC108S085 10-BIT MICRO POWER OC

509

TLV5620IDR

TLV5620IDR

Texas Instruments

IC DAC 8BIT V-OUT 14SOIC

936

DAC102S085CIMMX/NOPB

DAC102S085CIMMX/NOPB

Texas Instruments

IC DAC 10BIT V-OUT 10VSSOP

0

TLV5604CPWRG4

TLV5604CPWRG4

Texas Instruments

IC DAC 10BIT V-OUT 16TSSOP

0

TLV5625CDR

TLV5625CDR

Texas Instruments

TLV5625 8-BIT, 2.5 OR 12 US DUAL

680

DAC8803IDBT

DAC8803IDBT

Texas Instruments

IC DAC 14BIT A-OUT 28SSOP

419

TLC5620IDR

TLC5620IDR

Texas Instruments

IC DAC 8BIT V-OUT 14SOIC

350

TLV5610IYZR

TLV5610IYZR

Texas Instruments

IC DAC 12BIT V-OUT 20DSBGA

0

DAC38RF87IAAV

DAC38RF87IAAV

Texas Instruments

IC DAC 2 SE 144FCBGA

0

DAC2902Y/250

DAC2902Y/250

Texas Instruments

IC DAC 12BIT A-OUT 48TQFP

203

DAC7614EB

DAC7614EB

Texas Instruments

IC DAC 12BIT V-OUT 20SSOP

1410

DAC8568IBPW

DAC8568IBPW

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

438

THS5661AIDWR

THS5661AIDWR

Texas Instruments

DAC, PARALLEL, WORD INPUT

50940

DAC7760IRHAT

DAC7760IRHAT

Texas Instruments

IC DAC 12BIT V OR A-OUT 40VQFN

0

TLV5606IDG4

TLV5606IDG4

Texas Instruments

TLV5606 10-BIT, 3 OR 9 US DAC, S

430

TLV5625IDRG4

TLV5625IDRG4

Texas Instruments

IC DAC 8BIT 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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