Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
TLV5604CPW

TLV5604CPW

Texas Instruments

IC DAC 10BIT V-OUT 16TSSOP

1050

MAX543BEWE

MAX543BEWE

Analog Devices, Inc.

MULTIPLYING DAC

3266

LTC2631CTS8-HM12#TRMPBF

LTC2631CTS8-HM12#TRMPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

0

AD5440YRU

AD5440YRU

Analog Devices, Inc.

DUAL 10-BIT, MULTIPLYING DAC

8857

MAX538BCSA+

MAX538BCSA+

Maxim Integrated

IC DAC 12BIT V-OUT 8SOIC

3181000

LTC2636CMS-HMI10#PBF

LTC2636CMS-HMI10#PBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 16MSOP

410

HI1178JCQ

HI1178JCQ

Intersil (Renesas Electronics America)

TRIPLE 8-BIT RGB, 3-CHANNEL DAC

25120

LTC1597-1AIG#PBF

LTC1597-1AIG#PBF

Analog Devices, Inc.

IC DAC 16BIT A-OUT 28SSOP

101

LTC1659CS8#PBF

LTC1659CS8#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 8SOIC

548

AD7943AN-B

AD7943AN-B

Analog Devices, Inc.

DAC,SERIAL INPUT LOADING

9336

LTC1451IS8#TRPBF

LTC1451IS8#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 8SOIC

1238

MAX5120BEEE+T

MAX5120BEEE+T

Maxim Integrated

IC DAC 12BIT V-OUT 16QSOP

0

LTC2632AHTS8-LX12#TRMPBF

LTC2632AHTS8-LX12#TRMPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

0

DAC8564IAPW

DAC8564IAPW

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

842

AD567KD

AD567KD

Analog Devices, Inc.

DAC, 1 FUNC, PARALLEL, WORD INPU

1533

DAC7612UB

DAC7612UB

Texas Instruments

IC DAC 12BIT V-OUT 8SOIC

608

AD395SD

AD395SD

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

31

AD5725ARSZ-REEL

AD5725ARSZ-REEL

Analog Devices, Inc.

D/A CONVERTER, PARALLEL, WORD IN

321

LTC2642AIMS-16#TRPBF

LTC2642AIMS-16#TRPBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 10MSOP

0

DAC6573IPWR

DAC6573IPWR

Texas Instruments

IC DAC 10BIT V-OUT 16TSSOP

3889

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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