Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
AD7397ARUZ

AD7397ARUZ

Analog Devices, Inc.

D/A CONVERTER, PARALLEL, WORD IN

641

MAX5594EUG

MAX5594EUG

Analog Devices, Inc.

OCTAL, 8-BIT, V-OUT DAC

3782

AD5313ARUZ

AD5313ARUZ

Analog Devices, Inc.

IC DAC 10BIT V-OUT 16TSSOP

1

LTC2630ISC6-HZ12#TRPBF

LTC2630ISC6-HZ12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT SC70-6

0

MAX5812PEUT

MAX5812PEUT

Analog Devices, Inc.

12-BIT 2-WIRE, SERIAL V-OUT DAC

2781

LTC2751BCUHF-16#TRPBF

LTC2751BCUHF-16#TRPBF

Analog Devices, Inc.

IC DAC 16BIT A-OUT 38QFN

0

DAC8426BR/883C

DAC8426BR/883C

Analog Devices, Inc.

QUAD 8-BIT VOLTAGE OUT DAC +REF

81

LTC2636HDE-HMX8#PBF

LTC2636HDE-HMX8#PBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT 14DFN

0

ADV7122KPZ80

ADV7122KPZ80

Analog Devices, Inc.

TRIPLE 10-BIT VIDEO DACS

3230

AD7537AQ

AD7537AQ

Analog Devices, Inc.

2 CH DAC, PARALLEL, 8 BITS INPUT

1604

AD5668BRUZ-3

AD5668BRUZ-3

Analog Devices, Inc.

IC DAC 16BIT V-OUT 16TSSOP

944

AD5752AREZ-REEL7

AD5752AREZ-REEL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT 24TSSOP

0

LTC2632ACTS8-LI12#TRMPBF

LTC2632ACTS8-LI12#TRMPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

469

AD767KPZ

AD767KPZ

Analog Devices, Inc.

IC DAC 12BIT V-OUT 28PLCC

0

LTC2642IDD-12#PBF

LTC2642IDD-12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 10DFN

832

AD5421BCPZ-REEL7

AD5421BCPZ-REEL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT 32LFCSP

428

DAC8012FPC

DAC8012FPC

Analog Devices, Inc.

12-BIT MULTIPLYING D/A CONVERTER

5029

LTC2657BCUFD-L16#PBF

LTC2657BCUFD-L16#PBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 20QFN

0

LTC7545ACSW#TRPBF

LTC7545ACSW#TRPBF

Analog Devices, Inc.

IC DAC 12BIT A-OUT 20SOIC

0

MX7542JCWE

MX7542JCWE

Analog Devices, Inc.

UP-COMPATIBLE 12-BIT DAC

683

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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