Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
AD5303BRU-REEL

AD5303BRU-REEL

Analog Devices, Inc.

230UA, DUAL R-R 8-BIT DAC

5000

AD9786BSVZRL

AD9786BSVZRL

Analog Devices, Inc.

DAC, 1 FUNC, PARALLEL, WORD INPU

0

DAC8043A1FSZ

DAC8043A1FSZ

Analog Devices, Inc.

12-BIT SERIAL INPUT MULTIPLYING

7921

DAC8426FP

DAC8426FP

Analog Devices, Inc.

QUAD 8-BIT VOLTAGE OUT DAC +REF

2571

DAC0802LCMX/NOPB

DAC0802LCMX/NOPB

Texas Instruments

IC DAC 8BIT A-OUT 16SOIC

4093

AD9765AST

AD9765AST

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

1037

DAC7615UB/1K

DAC7615UB/1K

Texas Instruments

IC DAC 12BIT V-OUT 16SOIC

0

LTC2637HMS-LZ10#TRPBF

LTC2637HMS-LZ10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 16MSOP

0

DAC7715UG4

DAC7715UG4

Texas Instruments

IC DAC 12BIT V-OUT 16SOIC

0

AD9745BCPZRL

AD9745BCPZRL

Analog Devices, Inc.

D/A CONVERTER, PARALLEL, WORD IN

1456

LTC2662CUH-12#PBF

LTC2662CUH-12#PBF

Analog Devices, Inc.

IC DAC 12BIT A-OUT 32QFN

0

AD390TD/883B

AD390TD/883B

Analog Devices, Inc.

IC DAC 12BIT QUAD 28CDIP

1

AD7543JN

AD7543JN

Analog Devices, Inc.

DAC, SERIAL INPUT LOADING

3580

AD5322BRMZ

AD5322BRMZ

Analog Devices, Inc.

IC DAC 12BIT V-OUT 10MSOP

359

LTC2634HUD-LMI8#PBF

LTC2634HUD-LMI8#PBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT 16QFN

0

DAC7718SPAGR

DAC7718SPAGR

Texas Instruments

IC DAC 12BIT V-OUT 64TQFP

0

MCP47CMB12-E/MG

MCP47CMB12-E/MG

Roving Networks / Microchip Technology

IC DAC 10BIT V-OUT 16QFN

0

AD7391ARZ-REEL

AD7391ARZ-REEL

Analog Devices, Inc.

IC DAC 10BIT V-OUT 8SOIC

0

AD5556CRU

AD5556CRU

Analog Devices, Inc.

14-BIT MULTIPLYING DAC

4084

AD7548KN

AD7548KN

Analog Devices, Inc.

DAC, PARALLEL, 8 BITS INPUT

5302

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