Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
DAC101S101QCMK/NOPB

DAC101S101QCMK/NOPB

Texas Instruments

IC DAC 10BIT V-OUT TSOT23-6

1200

DAC60508MCRTET

DAC60508MCRTET

Texas Instruments

IC DAC 12BIT V-OUT 16WQFN

74

DAC8831ICDR

DAC8831ICDR

Texas Instruments

IC DAC 16BIT V-OUT 14SOIC

0

TVP3703-135CFN

TVP3703-135CFN

Texas Instruments

PALETTE DAC, 1600 X 1280 PIXELS

65

DAC108S085CIMT/NOPB

DAC108S085CIMT/NOPB

Texas Instruments

IC DAC 10BIT V-OUT 16TSSOP

112

MSP430F435IPNR24

MSP430F435IPNR24

Texas Instruments

16-BIT MICROCONTROLLER

3000

TLV5631IDWR

TLV5631IDWR

Texas Instruments

IC DAC 10BIT V-OUT 20SOIC

0

DAC80508ZYZFR

DAC80508ZYZFR

Texas Instruments

IC DAC 16BIT V-OUT 16DSBGA

0

DAC80501ZDGST

DAC80501ZDGST

Texas Instruments

SINGALE CHANNEL DAC 16BIT

111

TLV5630IDWG4

TLV5630IDWG4

Texas Instruments

IC DAC 12BIT V-OUT 20SOIC

0

DAC8750IRHAT

DAC8750IRHAT

Texas Instruments

IC DAC 16BIT A-OUT 40VQFN

0

TLC5615IDR

TLC5615IDR

Texas Instruments

IC DAC 10BIT V-OUT 8SOIC

2687

DAC7512E/2K5

DAC7512E/2K5

Texas Instruments

IC DAC 12BIT V-OUT 8VSSOP

1761

DAC714U/1KG4

DAC714U/1KG4

Texas Instruments

IC DAC 16BIT V-OUT 16SOIC

0

TLC7524IN

TLC7524IN

Texas Instruments

IC DAC 8BIT A-OUT 16DIP

39

DAC0832LCWM/NOPB-TI

DAC0832LCWM/NOPB-TI

Texas Instruments

DAC, 1 FUNC, PARALLEL, 8 BITS IN

0

DAC39J82IAAV

DAC39J82IAAV

Texas Instruments

DAC39J82 DUAL-CHANNEL, 16-BIT, 2

333

DAC8750IPWP

DAC8750IPWP

Texas Instruments

IC DAC 16BIT A-OUT 24HTSSOP

147

DAC7802LUG4

DAC7802LUG4

Texas Instruments

IC DAC 12BIT A-OUT 24SOIC

0

DAC3174IRGCT

DAC3174IRGCT

Texas Instruments

IC DAC 14BIT A-OUT 64VQFN

231

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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