Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
DAC9881SBRGER

DAC9881SBRGER

Texas Instruments

DAC9881 18-BIT, SINGLE-CHANNEL,

17385

DAC70501ZDGST

DAC70501ZDGST

Texas Instruments

SINGLE CHAN DAC 14BIT- ZEROCODE

227

TLV5618ACDG4

TLV5618ACDG4

Texas Instruments

IC DAC 12BIT V-OUT 8SOIC

0

TLC7524CPWR

TLC7524CPWR

Texas Instruments

IC DAC 8BIT A-OUT 16TSSOP

0

DAC38J84IAAVR

DAC38J84IAAVR

Texas Instruments

IC DAC 144FCBGA

0

THS5661AIPW

THS5661AIPW

Texas Instruments

IC DAC 12BIT A-OUT 28TSSOP

156

DAC8831MCDEP

DAC8831MCDEP

Texas Instruments

IC DAC 16BIT V-OUT 14SOIC

180

DAC8560IDDGKTG4

DAC8560IDDGKTG4

Texas Instruments

IC DAC 16BIT V-OUT 8VSSOP

0

TLV5623IDGK

TLV5623IDGK

Texas Instruments

IC DAC 8BIT V-OUT 8VSSOP

175

DAC6578SPW

DAC6578SPW

Texas Instruments

IC DAC 10BIT V-OUT 16TSSOP

176

DAC081C081CIMKX/NOPB

DAC081C081CIMKX/NOPB

Texas Instruments

IC DAC 8BIT V-OUT TSOT23-6

0

TLV5604IPW

TLV5604IPW

Texas Instruments

IC DAC 10BIT V-OUT 16TSSOP

213

TLC7524EN

TLC7524EN

Texas Instruments

IC DAC 8BIT A-OUT 16DIP

148

TLV5636ID

TLV5636ID

Texas Instruments

IC DAC 12BIT V-OUT 8SOIC

69

DAC8550IDGKR

DAC8550IDGKR

Texas Instruments

DAC8550 16-BIT, ULTRALOW GLITCH

20400

DAC7617UB

DAC7617UB

Texas Instruments

DAC7617 QUAD, SERIAL INPUT, 12-B

6260

TLC5615CD

TLC5615CD

Texas Instruments

IC DAC 10BIT V-OUT 8SOIC

1432

THS5641AIPWR

THS5641AIPWR

Texas Instruments

THS5641A 8-BIT, 100-MSPS DIGITAL

39046

DAC7574IDGSRG4

DAC7574IDGSRG4

Texas Instruments

IC DAC 12BIT V-OUT 10VSSOP

0

DAC7741YC/250

DAC7741YC/250

Texas Instruments

IC DAC 16BIT V-OUT 48LQFP

230

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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