Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
TLC5618AQDR

TLC5618AQDR

Texas Instruments

DAC, SERIAL INPUT

7226

DAC80508ZCYZFT

DAC80508ZCYZFT

Texas Instruments

IC DAC 16BIT V-OUT 16DSBGA

251

DAC7644EB

DAC7644EB

Texas Instruments

IC DAC 16BIT V-OUT 48SSOP

75

DAC8552IDGKR

DAC8552IDGKR

Texas Instruments

IC DAC 16BIT V-OUT 8VSSOP

923

DAC8531E/250G4

DAC8531E/250G4

Texas Instruments

IC DAC 16BIT V-OUT 8VSSOP

0

DAC8718SRGZT

DAC8718SRGZT

Texas Instruments

IC DAC 16BIT V-OUT 48VQFN

9

TLC7528CPWR

TLC7528CPWR

Texas Instruments

IC DAC 8BIT A-OUT 20TSSOP

1164

PCM69AU-J-2

PCM69AU-J-2

Texas Instruments

IC DUAL 18-BIT AUDIO DAC 20-SOIC

684

THS5641AIDW

THS5641AIDW

Texas Instruments

THS5641A 8-BIT, 100-MSPS DIGITAL

4728

TLC7524IPWR

TLC7524IPWR

Texas Instruments

TLC7524 8-BIT, 0.1 US MDAC, PARA

3330

TLV5616IDGKR

TLV5616IDGKR

Texas Instruments

IC DAC 12BIT V-OUT 8VSSOP

0

DAC5662IPFB

DAC5662IPFB

Texas Instruments

DAC5662 DUAL-CHANNEL, 12-BIT, 27

9966

DAC8165IBPWR

DAC8165IBPWR

Texas Instruments

DAC8165 14-BIT, QUAD CHANNEL, UL

3898

DAC80004IDMDR

DAC80004IDMDR

Texas Instruments

IC DAC 16BIT V-OUT 14VSON

0

TLC7528CFNG3

TLC7528CFNG3

Texas Instruments

IC DAC 8BIT A-OUT 20PLCC

0

DAC8162SQDGSRQ1

DAC8162SQDGSRQ1

Texas Instruments

DAC8162-Q1 AUTOMOTIVE 14-BIT, DU

48780

DAC70501MDGSR

DAC70501MDGSR

Texas Instruments

SINGLE CHANNEL DAC 14BIT- MIDCOD

2488

DAC161S055CISQ/NOPB

DAC161S055CISQ/NOPB

Texas Instruments

IC DAC 16BIT V-OUT 16WQFN

682

TLV5618AMDREPG4

TLV5618AMDREPG4

Texas Instruments

IC DAC 12BIT V-OUT 8SOIC

0

DAC3484IZAYR

DAC3484IZAYR

Texas Instruments

IC DAC 16BIT A-OUT 196NFBGA

847

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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