Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
DAC7574IDGS

DAC7574IDGS

Texas Instruments

IC DAC 12BIT V-OUT 10VSSOP

245

DAC70502DRXT

DAC70502DRXT

Texas Instruments

DUAL CHANNEL 14 BIT DAC

299

DAC8801IDGKR

DAC8801IDGKR

Texas Instruments

IC DAC 14BIT A-OUT 8VSSOP

0

DAC124S085CIMM/NOPB

DAC124S085CIMM/NOPB

Texas Instruments

IC DAC 12BIT V-OUT 10VSSOP

14

DAC7715UB

DAC7715UB

Texas Instruments

IC DAC 12BIT V-OUT 16SOIC

148

DAC084S085CIMMX/NOPB

DAC084S085CIMMX/NOPB

Texas Instruments

IC DAC 8BIT V-OUT 10VSSOP

4753

DAC8580IPWR

DAC8580IPWR

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

0

TLV5619IDW

TLV5619IDW

Texas Instruments

IC DAC 12BIT V-OUT 20SOIC

190

DAC80004IPWR

DAC80004IPWR

Texas Instruments

IC DAC 16BIT V-OUT 14TSSOP

0

TLC34076-135FN

TLC34076-135FN

Texas Instruments

PALETTE DAC, CMOS

193

TLV5636IDR

TLV5636IDR

Texas Instruments

TLV5636 12-BIT, 1 US DAC SERIAL

28

DAC716PG4

DAC716PG4

Texas Instruments

IC DAC 16BIT V-OUT 16DIP

0

TLV5623IDRG4

TLV5623IDRG4

Texas Instruments

DAC, SERIAL INPUT

0

DAC8830IDG4

DAC8830IDG4

Texas Instruments

D/A CONVERTER, 1 FUNC, SERIAL IN

42

DAC8534IPWR

DAC8534IPWR

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

0

DAC38RF96IAAVR

DAC38RF96IAAVR

Texas Instruments

DAC38RF96IAAVR

0

DAC60508ZRTER

DAC60508ZRTER

Texas Instruments

IC DAC 12BIT V-OUT 16WQFN

1529

TLC7628CDW

TLC7628CDW

Texas Instruments

IC DAC 8BIT A-OUT 20SOIC

130

DAC7800KU

DAC7800KU

Texas Instruments

IC DAC 12BIT A-OUT 16SOIC

203

TLV5626IDRG4

TLV5626IDRG4

Texas Instruments

IC DAC 8BIT V-OUT 8SOIC

0

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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