Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
MAX5874EGK+TD

MAX5874EGK+TD

Maxim Integrated

IC DAC 14BIT A-OUT 68QFN

0

LTC7106EDDB-1#TRMPBF

LTC7106EDDB-1#TRMPBF

Analog Devices, Inc.

IC DAC 7BIT A-OUT 10DFN

0

AD9742ARU

AD9742ARU

Analog Devices, Inc.

D/A CONVERTER, 1 FUNC, PARALLEL,

9469

LTC7545ALG#TRPBF

LTC7545ALG#TRPBF

Analog Devices, Inc.

IC DAC 12BIT A-OUT 20SSOP

0

MAX5719AGSD+

MAX5719AGSD+

Maxim Integrated

IC DAC 20BIT 14SOIC

9452450

PM7645FS

PM7645FS

Analog Devices, Inc.

12-BIT BUFFERED MILTIPLYING DAC

128035

MAX513EPD

MAX513EPD

Analog Devices, Inc.

8-BIT VOLTAGE-OUT DAC

1988

TLV5636IDR

TLV5636IDR

Texas Instruments

TLV5636 12-BIT, 1 US DAC SERIAL

28

AD7837ANZ

AD7837ANZ

Analog Devices, Inc.

IC DAC 12BIT V-OUT 24DIP

40

MAX530BCWG+

MAX530BCWG+

Maxim Integrated

IC DAC 12BIT V-OUT 24SOIC

731590

LTC2640ITS8-LM8#TRPBF

LTC2640ITS8-LM8#TRPBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT TSOT23-8

0

AD7228ABRZ-REEL

AD7228ABRZ-REEL

Analog Devices, Inc.

D/A CONVERTER, 8 FUNC, PARALLEL,

24

MCP4822-E/P

MCP4822-E/P

Roving Networks / Microchip Technology

IC DAC 12BIT V-OUT 8DIP

189

AD562KD/BCD

AD562KD/BCD

Analog Devices, Inc.

12-BIT D/A CONVERTER

11

LTC2635HUD-LMO12#PBF

LTC2635HUD-LMO12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 16QFN

506

LTC2640ITS8-HZ10#TRPBF

LTC2640ITS8-HZ10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT TSOT23-8

0

DAC8221GP

DAC8221GP

Analog Devices, Inc.

DUAL 12-BIT MULTIPLYING DAC

33

MAX5251BCAP+T

MAX5251BCAP+T

Maxim Integrated

IC DAC 10BIT V-OUT 20SSOP

0

AD5676BCPZ-REEL7

AD5676BCPZ-REEL7

Analog Devices, Inc.

AD5676 - 16-BIT OCTAL SPI NANODA

3337

DAC716PG4

DAC716PG4

Texas Instruments

IC DAC 16BIT V-OUT 16DIP

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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