Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
TLV5628CDWR

TLV5628CDWR

Texas Instruments

IC DAC 8BIT V-OUT 16SOIC

808

DAC811JP

DAC811JP

Texas Instruments

DAC, PARALLEL, WORD INPUT

470

TLV5631IDW

TLV5631IDW

Texas Instruments

IC DAC 10BIT V-OUT 20SOIC

61

DAC8532IDGK

DAC8532IDGK

Texas Instruments

IC DAC 16BIT V-OUT 8VSSOP

788

DAC5681IRGCT

DAC5681IRGCT

Texas Instruments

DAC5681 16-BIT, 1.0-GSPS DIGITAL

71267

DAC715UL

DAC715UL

Texas Instruments

DAC715 16-BIT DIGITAL-TO-ANALOG

4166

DAC8750IPWPR

DAC8750IPWPR

Texas Instruments

IC DAC 16BIT A-OUT 24HTSSOP

2084

DAC7802KU/1K

DAC7802KU/1K

Texas Instruments

IC DAC 12BIT A-OUT 24SOIC

0

DAC7512E/250

DAC7512E/250

Texas Instruments

IC DAC 12BIT V-OUT 8VSSOP

911

DAC60501ZDQFT

DAC60501ZDQFT

Texas Instruments

SINGLE CHAN DAC 12BIT- ZEROCODE

291

DAC104S085CIMM/NOPB

DAC104S085CIMM/NOPB

Texas Instruments

IC DAC 10BIT V-OUT 10VSSOP

5069

TLV5618ACDRG4

TLV5618ACDRG4

Texas Instruments

IC DAC 12BIT V-OUT 8SOIC

0

TLV5625CDRG4

TLV5625CDRG4

Texas Instruments

IC DAC 8BIT V-OUT 8SOIC

0

TLV5623CDGKR

TLV5623CDGKR

Texas Instruments

IC DAC 8BIT V-OUT 8VSSOP

0

DAC8805QDBT

DAC8805QDBT

Texas Instruments

DAC8805 14-BIT, DUAL CHANNEL, PA

18746

DAC8234SPFB

DAC8234SPFB

Texas Instruments

IC DAC 14BIT V-OUT 48TQFP

14

DAC7734EG4

DAC7734EG4

Texas Instruments

IC DAC 16BIT V-OUT 48SSOP

0

DAC900TPWRQ1

DAC900TPWRQ1

Texas Instruments

DAC900-Q1 AUTOMOTIVE 10-BIT 165-

50924

DAC8812IBPW

DAC8812IBPW

Texas Instruments

IC DAC 16BIT A-OUT 16TSSOP

2298

TLV5639IPW

TLV5639IPW

Texas Instruments

TLV5639 12-BIT DAC, PARALLEL, VO

9561

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.

RFQ BOM Call Skype Email
Top