Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
DAC39J82IAAVR

DAC39J82IAAVR

Texas Instruments

IC DAC 144FCBGA

0

TLV5620IDG4

TLV5620IDG4

Texas Instruments

IC DAC 8BIT V-OUT 14SOIC

0

DAC8411IDCKTG4

DAC8411IDCKTG4

Texas Instruments

IC DAC 16BIT V-OUT SC70-6

0

DAC8831MCDREP

DAC8831MCDREP

Texas Instruments

DAC8831-EP ENHANCED PRODUCT 16-B

1624

TLC7528IPWR

TLC7528IPWR

Texas Instruments

TLC7528 8-BIT, 0.1 US DUAL MDAC,

1136

TLV5627IPWG4

TLV5627IPWG4

Texas Instruments

IC DAC 8BIT V-OUT 16TSSOP

0

DAC8580IPWG4

DAC8580IPWG4

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

0

DAC81408RHAR

DAC81408RHAR

Texas Instruments

DIGITAL TO ANALOG CONVERTER

0

DAC3164IRGCT

DAC3164IRGCT

Texas Instruments

IC DAC 12BIT A-OUT 64VQFN

47

DAC8531E/2K5G4

DAC8531E/2K5G4

Texas Instruments

IC DAC 16BIT V-OUT 8VSSOP

0

DAC8718SPAGR

DAC8718SPAGR

Texas Instruments

IC DAC 16BIT V-OUT 64TQFP

0

TLV5617ACDR

TLV5617ACDR

Texas Instruments

IC DAC 10BIT V-OUT 8SOIC

0

DAC7553IRGTT

DAC7553IRGTT

Texas Instruments

IC DAC 12BIT V-OUT 16QFN

263

DAC8550IBDGKT

DAC8550IBDGKT

Texas Instruments

IC DAC 16BIT V-OUT 8VSSOP

123

DAC60508MYZFR

DAC60508MYZFR

Texas Instruments

IC DAC 12BIT V-OUT 16DSBGA

0

DAC8568ICPWR

DAC8568ICPWR

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

2107

TLV5621EN

TLV5621EN

Texas Instruments

DAC, 8-BIT, 4 FUNC PDIP14

7698

DAC6573IPW

DAC6573IPW

Texas Instruments

IC DAC 10BIT V-OUT 16TSSOP

353

DAC61402RHBT

DAC61402RHBT

Texas Instruments

DUAL-CHANNEL, 12-BIT, 20-V-RANGE

248

DAC8571IDGKR

DAC8571IDGKR

Texas Instruments

IC DAC 16BIT V-OUT 8VSSOP

3197

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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