Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
DAC8812ICPWR

DAC8812ICPWR

Texas Instruments

IC DAC 16BIT A-OUT 16TSSOP

0

DAC2900Y/250

DAC2900Y/250

Texas Instruments

IC DAC 10BIT A-OUT 48TQFP

438

DAC7724NB/750

DAC7724NB/750

Texas Instruments

DAC7724 12-BIT QUAD VOLTAGE OUTP

63593

DAC8218SRGZT

DAC8218SRGZT

Texas Instruments

IC DAC 14BIT V-OUT 48VQFN

194

TLC7226CDWG4

TLC7226CDWG4

Texas Instruments

IC DAC 8BIT V-OUT 20SOIC

0

DAC8162SDSCR

DAC8162SDSCR

Texas Instruments

IC DAC 14BIT V-OUT 10WSON

2585

DAC8811IBDRBTG4

DAC8811IBDRBTG4

Texas Instruments

IC DAC 16BIT A-OUT 8SON

0

TLV5628IDWR

TLV5628IDWR

Texas Instruments

TLV5628 8-BIT, 10US OCTAL DAC, S

1695

DAC7611PB

DAC7611PB

Texas Instruments

DAC, 1 FUNC, SERIAL INPUT LOADIN

40978

DAC081C081CIMK/NOPB

DAC081C081CIMK/NOPB

Texas Instruments

IC DAC 8BIT V-OUT TSOT23-6

2051

THS8136IPHPRQ1

THS8136IPHPRQ1

Texas Instruments

DAC, PARALLEL, WORD INPUT

84722

TLC7226IDWR

TLC7226IDWR

Texas Instruments

IC DAC 8BIT V-OUT 20SOIC

0

DAC7724U

DAC7724U

Texas Instruments

DAC7724 12-BIT QUAD VOLTAGE OUTP

11

TLV5621ID

TLV5621ID

Texas Instruments

IC DAC 8BIT V-OUT 14SOIC

25

TLV5631IDWG4

TLV5631IDWG4

Texas Instruments

IC DAC 10BIT V-OUT 20SOIC

0

DAC8555IPWG4

DAC8555IPWG4

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

0

DAC7802LU

DAC7802LU

Texas Instruments

IC DAC 12BIT A-OUT 24SOIC

68

DAC712UBG4

DAC712UBG4

Texas Instruments

DAC712 16-BIT DIGITAL-TO-ANALOG

7

DAC5578SPW

DAC5578SPW

Texas Instruments

IC DAC 8BIT V-OUT 16TSSOP

133

DAC8564ICPW

DAC8564ICPW

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

113

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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