Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
DAC70508ZRTET

DAC70508ZRTET

Texas Instruments

IC DAC 14BIT V-OUT 16WQFN

40

DAC8830IBD

DAC8830IBD

Texas Instruments

IC DAC 16BIT V-OUT 8SOIC

201

DAC900U/1K

DAC900U/1K

Texas Instruments

DAC900 10-BIT 165-MSPS DIGITAL-T

19776

TVP3020-135MDN

TVP3020-135MDN

Texas Instruments

PALETTE DAC, 1600 X 1280 PIXELS

96

DAC7728SRTQR

DAC7728SRTQR

Texas Instruments

IC DAC 12BIT V-OUT 56QFN

0

DAC8563TDSCT

DAC8563TDSCT

Texas Instruments

DAC8563T DAC8563T DUAL,16-BIT,LO

423

DAC5672AIPFB

DAC5672AIPFB

Texas Instruments

IC DAC 14BIT A-OUT 48TQFP

192

DAC7654YCT

DAC7654YCT

Texas Instruments

DAC7654 16 BIT, QUAD VOLTAGE OUT

2632

DAC121S101QCMK/NOPB

DAC121S101QCMK/NOPB

Texas Instruments

IC DAC 12BIT V-OUT TSOT23-6

2488

DAC101C081CISD/NOPB

DAC101C081CISD/NOPB

Texas Instruments

IC DAC 10BIT V-OUT 6WSON

640

DAC8162TDSCR

DAC8162TDSCR

Texas Instruments

DAC8162T DAC8162T DUAL,14-BIT,LO

3000

DAC8832IRGYRG4

DAC8832IRGYRG4

Texas Instruments

IC DAC 16BIT V-OUT 14VQFN

0

DAC101S101CIMKX/NOPB

DAC101S101CIMKX/NOPB

Texas Instruments

DAC101S101 10-BIT MICRO POWER, R

174

DAC53401DSGRQ1

DAC53401DSGRQ1

Texas Instruments

AUTOMOTIVE, 10-BIT, 1-CHANNEL, S

3920

TLC5618ID

TLC5618ID

Texas Instruments

DAC, SERIAL INPUT LOADING

618

DAC088S085CISQ/NOPB

DAC088S085CISQ/NOPB

Texas Instruments

IC DAC 8BIT V-OUT 16WQFN

550

DAC7624U/1KG4

DAC7624U/1KG4

Texas Instruments

IC DAC 12BIT V-OUT 28SOIC

0

DAC121S101CIMK

DAC121S101CIMK

Texas Instruments

DAC, 1 FUNC, SERIAL INPUT LOADIN

15963

DAC8168ICPW

DAC8168ICPW

Texas Instruments

IC DAC 14BIT V-OUT 16TSSOP

37

DAC122S085CIMM

DAC122S085CIMM

Texas Instruments

DAC, 1 FUNC, SERIAL INPUT LOADIN

7249

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.

RFQ BOM Call Skype Email
Top