Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
TLV5624CD

TLV5624CD

Texas Instruments

TLV5624 8-BIT, 1.0 TO 3.5 US DAC

1161

DAC60501ZDGSR

DAC60501ZDGSR

Texas Instruments

SINGLE CHAN DAC 12BIT- ZEROCODE

1109

DAC8168ICPWR

DAC8168ICPWR

Texas Instruments

DAC8168 14-BIT, OCTAL CHANNEL, U

95398

DAC7562SDSCT

DAC7562SDSCT

Texas Instruments

IC DAC 12BIT V-OUT 10WSON

276

DAC7563TDGSR

DAC7563TDGSR

Texas Instruments

DAC7563T DAC7563T DUAL,12-BIT,LO

2148

DAC7760IPWP

DAC7760IPWP

Texas Instruments

IC DAC 12BIT V OR A-OUT 24HTSSOP

1873

DAC81404RHBT

DAC81404RHBT

Texas Instruments

QUAD-CHANNEL, 16-BIT, HIGH-VOLTA

0

AD7528MJB

AD7528MJB

Texas Instruments

D/A CONVERTER, 8-BIT, 2 FUNC

20

DAC80508ZCRTER

DAC80508ZCRTER

Texas Instruments

IC DAC 16BIT V-OUT 16WQFN

2293

DAC8563SDSCR

DAC8563SDSCR

Texas Instruments

IC DAC 16BIT V-OUT 10WSON

1968

TLC5620IDG4

TLC5620IDG4

Texas Instruments

IC DAC 8BIT V-OUT 14SOIC

0

DAC7578SPWR

DAC7578SPWR

Texas Instruments

IC DAC 12BIT V-OUT 16TSSOP

520

DAC5675IPHP

DAC5675IPHP

Texas Instruments

DAC, 1 FUNC, PARALLEL, WORD INPU

11838

DAC6578SRGET

DAC6578SRGET

Texas Instruments

IC DAC 10BIT V-OUT 24VQFN

832

DAC8164ICPW

DAC8164ICPW

Texas Instruments

DAC, 1 FUNC, SERIAL INPUT LOADIN

24163

DAC7716SRHAT

DAC7716SRHAT

Texas Instruments

DAC7716 QUAD 12-BIT HIGH ACCURAC

905

TLC7524EDR

TLC7524EDR

Texas Instruments

TLC7524 8-BIT, 0.1 US MDAC, PARA

5820

TLV5623CDGK

TLV5623CDGK

Texas Instruments

IC DAC 8BIT V-OUT 8VSSOP

330

DAC5675AIPHP

DAC5675AIPHP

Texas Instruments

IC DAC 14BIT A-OUT 48HTQFP

108

TLC34075-66AFN

TLC34075-66AFN

Texas Instruments

PALETTE DAC, 1024 X 768 PIXELSS

1089

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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