Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
LTC2631ITS8-HM12#TRMPBF

LTC2631ITS8-HM12#TRMPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

0

MAX543ACWE+T

MAX543ACWE+T

Maxim Integrated

IC DAC 12BIT A-OUT 16SOIC

2000

DAC703KU

DAC703KU

Burr-Brown (Texas Instruments)

DAC, PARALLEL, WORD INPUT

661

DAC7568ICPW

DAC7568ICPW

Texas Instruments

IC DAC 12BIT V-OUT 16TSSOP

781

DAC8800FSZ-REEL

DAC8800FSZ-REEL

Analog Devices, Inc.

IC DAC 8BIT V-OUT 20SOIC

796

TLC7528CDWRG4

TLC7528CDWRG4

Texas Instruments

IC DAC 8BIT A-OUT 20SOIC

0

LTC2636CMS-LMX10#PBF

LTC2636CMS-LMX10#PBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 16MSOP

0

AD7564ARZ-BREEL

AD7564ARZ-BREEL

Analog Devices, Inc.

IC DAC 12BIT A-OUT 28SOIC

0

CS43L42-KZZR

CS43L42-KZZR

Cirrus Logic

LOW VOLTAGE, STEREO DAC

15188

MAX5822MEUA+T

MAX5822MEUA+T

Maxim Integrated

IC DAC 12BIT V-OUT 8UMAX

0

DAC8800BR/883C

DAC8800BR/883C

Analog Devices, Inc.

OCTAL 8-BIT CMOS D/A CONVERTER

173

LTC1821BIGW#PBF

LTC1821BIGW#PBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 36SSOP

0

LTC2655BIGN-L16#PBF

LTC2655BIGN-L16#PBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 16SSOP

222

MCP48FEB24-20E/ST

MCP48FEB24-20E/ST

Roving Networks / Microchip Technology

QUAD CHANNEL, 12-BIT, EEPROM, SP

230

LTC2636HMS-LMI8#TRPBF

LTC2636HMS-LMI8#TRPBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT 16MSOP

0

AD5061BRJZ-1500RL7

AD5061BRJZ-1500RL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT SOT23-8

0

AD9154BCPAZ

AD9154BCPAZ

Analog Devices, Inc.

IC DAC 16BIT A-OUT 88LFCSP

0

LTC1596-1BCSW#PBF

LTC1596-1BCSW#PBF

Analog Devices, Inc.

IC DAC 16BIT A-OUT 16SOIC

0

MAX503CAG+

MAX503CAG+

Maxim Integrated

IC DAC 10BIT V-OUT 24SSOP

1682

AD558KPZ

AD558KPZ

Analog Devices, Inc.

IC DAC 8BIT V-OUT 20PLCC

3

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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