Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
TLC7528IDWG4

TLC7528IDWG4

Texas Instruments

TLC7528 8-BIT, 0.1 US DUAL MDAC,

0

DAC101S101QCMKX/NOPB

DAC101S101QCMKX/NOPB

Texas Instruments

DAC101S101-Q1 10-BIT MICRO POWER

8420

DAC7741YB/250

DAC7741YB/250

Texas Instruments

IC DAC 16BIT V-OUT 48LQFP

314

TLV5627CDR

TLV5627CDR

Texas Instruments

TLV5627 8-BIT, 3 US QUAD DAC, SE

50871

DAC088S085CIMT/NOPB

DAC088S085CIMT/NOPB

Texas Instruments

IC DAC 8BIT V-OUT 16TSSOP

10

TLC5618AQD

TLC5618AQD

Texas Instruments

IC DAC 12BIT V-OUT 8SOIC

373

DAC121C081CIMK/NOPB

DAC121C081CIMK/NOPB

Texas Instruments

IC DAC 12BIT V-OUT TSOT23-6

6096

DAC8562TDGSR

DAC8562TDGSR

Texas Instruments

IC DAC 16BIT V-OUT 10VSSOP

116

DAC8831ICRGYT

DAC8831ICRGYT

Texas Instruments

DAC8831 16-BIT, ULTRA-LOW POWER,

1500

DAC80501MDQFR

DAC80501MDQFR

Texas Instruments

SINGLE CHANNEL DAC 16BIT- MIDCOD

0

DAC70508MYZFR

DAC70508MYZFR

Texas Instruments

IC DAC 14BIT V-OUT 16DSBGA

0

DAC3171IRGCT

DAC3171IRGCT

Texas Instruments

IC DAC 14BIT A-OUT 64VQFN

825

AFE7071IRGZR

AFE7071IRGZR

Texas Instruments

IC DAC 14BIT V-OUT 48VQFN

0

DAC902U

DAC902U

Texas Instruments

IC DAC 12BIT A-OUT 28SOIC

37

DAC702KH

DAC702KH

Texas Instruments

DAC, PARALLEL, WORD INPUT

598

DAC8831IBD

DAC8831IBD

Texas Instruments

IC DAC 16BIT V-OUT 14SOIC

9

DAC7621EBG4

DAC7621EBG4

Texas Instruments

IC DAC 12BIT V-OUT 20SSOP

0

DAC5682ZIRGC

DAC5682ZIRGC

Texas Instruments

IC DAC 64VQFN

0

DAC8411IDCKT

DAC8411IDCKT

Texas Instruments

IC DAC 16BIT V-OUT SC70-6

153

DAC5311IDCKR

DAC5311IDCKR

Texas Instruments

IC DAC 8BIT V-OUT SC70-6

781

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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