Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
LTC2666IUH-12#TRPBF

LTC2666IUH-12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 32QFN

0

AD5725ARSZ-500RL7

AD5725ARSZ-500RL7

Analog Devices, Inc.

IC DAC 12BIT V-OUT 28SSOP

513

AD9742ARUZRL7

AD9742ARUZRL7

Analog Devices, Inc.

IC DAC 12BIT A-OUT 28TSSOP

1485

LTC2606CDD-1#PBF

LTC2606CDD-1#PBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 10DFN

709

ADFS5758BCPZ

ADFS5758BCPZ

Analog Devices, Inc.

FUNCTIONALSAFECERTIFIED VERSION/

30

DAC08ES-REEL

DAC08ES-REEL

Analog Devices, Inc.

8-BIT MULTIPLYING DAC

113400

LTC2634IUD-HZ12#TRPBF

LTC2634IUD-HZ12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 16QFN

0

LTC2640ITS8-HZ12#TRMPBF

LTC2640ITS8-HZ12#TRMPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

1719

LTC2635CMSE-LMO10#TRPBF

LTC2635CMSE-LMO10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 10MSOP

0

AD7564BRS-REEL

AD7564BRS-REEL

Analog Devices, Inc.

DAC, 4 CH, SERIAL INPUT LOADING

4500

AD5532ABCZ-3

AD5532ABCZ-3

Analog Devices, Inc.

AD5532 - 32-CHANNEL, 14-BIT VOLT

3512

LTC2633CTS8-HI10#TRPBF

LTC2633CTS8-HI10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT TSOT23-8

0

AD7245AARZ-REEL

AD7245AARZ-REEL

Analog Devices, Inc.

IC DAC 12BIT V-OUT 24SOIC

0

MAX551ACUB

MAX551ACUB

Analog Devices, Inc.

MULTIPLYING DAC

0

LTC2633HTS8-LI8#TRMPBF

LTC2633HTS8-LI8#TRMPBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT TSOT23-8

678

MAX542BESD

MAX542BESD

Analog Devices, Inc.

SERIAL, VOLTAGE-OUT, 16-BIT DAC

11

AD7248JN

AD7248JN

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

631

AD7399BRUZ

AD7399BRUZ

Analog Devices, Inc.

IC DAC 10BIT V-OUT 16TSSOP

5

AD7533KPZ

AD7533KPZ

Analog Devices, Inc.

DAC, 2 FUNC, PARALLEL, WORD INPU

1577

DS4302Z-020+

DS4302Z-020+

Analog Devices, Inc.

2-WIRE, 5-BIT DAC WITH THREE DIG

20723

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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