Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
LTC2615IGN-1#PBF

LTC2615IGN-1#PBF

Analog Devices, Inc.

IC DAC 14BIT V-OUT 16SSOP

0

LTC2612CMS8#TRPBF

LTC2612CMS8#TRPBF

Analog Devices, Inc.

IC DAC 14BIT V-OUT 8MSOP

0

LTC2636HMS-HMX10#PBF

LTC2636HMS-HMX10#PBF

Analog Devices, Inc.

OCTAL 10-BIT SPI VOUT DAC WITH 1

1369

AD5624RBRMZ-5

AD5624RBRMZ-5

Analog Devices, Inc.

IC DAC 12BIT V-OUT 10MSOP

385

DAC16ES

DAC16ES

Analog Devices, Inc.

16-BIT CURRENT-OUTPUT DAC

31

AD5781ARUZ

AD5781ARUZ

Analog Devices, Inc.

IC DAC 18BIT V-OUT 20TSSOP

294

LTC1597-1ACG#TRPBF

LTC1597-1ACG#TRPBF

Analog Devices, Inc.

IC DAC 16BIT A-OUT 28SSOP

0

AD7304BRZ-REEL

AD7304BRZ-REEL

Analog Devices, Inc.

IC DAC 8BIT V-OUT 16SOIC

0

AD5347BCPZ

AD5347BCPZ

Analog Devices, Inc.

PARALLEL, OCTAL 10-BIT DAC

6854

AD567SD

AD567SD

Analog Devices, Inc.

DAC, 1 FUNC, PARALLEL, WORD INPU

4

LTC2637CDE-LZ12#TRPBF

LTC2637CDE-LZ12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 14DFN

0

MX7847KR

MX7847KR

Analog Devices, Inc.

DUAL, 12-BIT MULTIPLYING DAC

0

AD5660CRMZ-3

AD5660CRMZ-3

Analog Devices, Inc.

IC DAC 16BIT V-OUT 8MSOP

1036

AD9752ARUZ

AD9752ARUZ

Analog Devices, Inc.

IC DAC 12BIT A-OUT 28TSSOP

38

MX7528JEPP

MX7528JEPP

Analog Devices, Inc.

2X 8-BIT BUFFERED MULT DAC

0

AD5721BRUZ

AD5721BRUZ

Analog Devices, Inc.

IC DAC 12BIT V-OUT 16TSSOP

159

LTC2635CUD-HZ10#PBF

LTC2635CUD-HZ10#PBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 16QFN

0

ADV7122KP30

ADV7122KP30

Analog Devices, Inc.

TRIPLE 10-BIT VIDEO DACS

2987

LTC2636IDE-LMX10#PBF

LTC2636IDE-LMX10#PBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 14DFN

0

LTC1450LCG#PBF

LTC1450LCG#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 24SSOP

208

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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