Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
TLV5625CD

TLV5625CD

Texas Instruments

TLV5625 8-BIT, 2.5 OR 12 US DUAL

7733

DAC8165IBPW

DAC8165IBPW

Texas Instruments

DAC8165 14-BIT, QUAD CHANNEL, UL

5315

DAC8560IBDGKTG4

DAC8560IBDGKTG4

Texas Instruments

IC DAC 16BIT V-OUT 8VSSOP

0

DAC2904Y/1K

DAC2904Y/1K

Texas Instruments

IC DAC 14BIT A-OUT 48TQFP

0

DAC082S085CIMMX/NOPB

DAC082S085CIMMX/NOPB

Texas Instruments

IC DAC 8BIT V-OUT 10VSSOP

3487

TVP3409-135CFN

TVP3409-135CFN

Texas Instruments

PALETTE DAC, 1024 X 768 PIXELS,

3300

DAC128S085CIMTX/NOPB

DAC128S085CIMTX/NOPB

Texas Instruments

IC DAC 12BIT V-OUT 16TSSOP

0

DAC8811ICDGKRG4

DAC8811ICDGKRG4

Texas Instruments

IC DAC 16BIT A-OUT 8VSSOP

0

DAC8822QBDBT

DAC8822QBDBT

Texas Instruments

IC DAC 16BIT A-OUT 38TSSOP

50

DAC8218SPAG

DAC8218SPAG

Texas Instruments

DAC8218 OCTAL, LOW POWER ,14-BIT

26

DAC7734EC

DAC7734EC

Texas Instruments

IC DAC 16BIT V-OUT 48SSOP

108

DAC7631E/1K

DAC7631E/1K

Texas Instruments

DAC7631 SERIAL INPUT, 16-BIT, VO

27654

DAC38RF80IAAV

DAC38RF80IAAV

Texas Instruments

IC DAC 2 SE 144FCBGA

190

TLC5615CDG4

TLC5615CDG4

Texas Instruments

IC DAC 10BIT V-OUT 8SOIC

0

TLC7528CN

TLC7528CN

Texas Instruments

IC DAC 8BIT A-OUT 20DIP

1236

DAC5687IPZPR

DAC5687IPZPR

Texas Instruments

DAC5687 DUAL-CHANNEL, 16-BIT, 50

96992

TLV5604CDG4

TLV5604CDG4

Texas Instruments

IC DAC 10BIT V-OUT 16SOIC

0

DAC7568IAPWR

DAC7568IAPWR

Texas Instruments

IC DAC 12BIT V-OUT 14TSSOP

0

DAC8881SRGET

DAC8881SRGET

Texas Instruments

IC DAC 16BIT V-OUT 24VQFN

1109

DAC7725UBG4

DAC7725UBG4

Texas Instruments

IC DAC 12BIT V-OUT 28SOIC

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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