Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
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

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

LTC2640ACTS8-LM12#TRPBF

LTC2640ACTS8-LM12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

0

LTC2751ACUHF-16#TRPBF

LTC2751ACUHF-16#TRPBF

Analog Devices, Inc.

IC DAC 16BIT A-OUT 38QFN

0

MAX5623AECB

MAX5623AECB

Analog Devices, Inc.

16-BIT DAC WITH 16-CHANNEL S/H

327

LTC2635HUD-LMI12#PBF

LTC2635HUD-LMI12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 16QFN

0

AD9752ARU

AD9752ARU

Analog Devices, Inc.

IC DAC 12BIT A-OUT 28TSSOP

295

PM7528HP

PM7528HP

Analog Devices, Inc.

8-BIT BUFFERED MULTIPLYING DAC

2607

LTC2631CTS8-LZ8#TRPBF

LTC2631CTS8-LZ8#TRPBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT TSOT23-8

0

AD5666ARUZ-2

AD5666ARUZ-2

Analog Devices, Inc.

IC DAC 16BIT V-OUT 14TSSOP

1575

MAX507BCWG

MAX507BCWG

Analog Devices, Inc.

12-BIT DACS

509

LTC1458ISW#PBF

LTC1458ISW#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 28SOIC

484

PM7226HPC

PM7226HPC

Analog Devices, Inc.

8-BIT DAC WITH VOLTAGE OUTPUT

3031

AD5339ARM

AD5339ARM

Analog Devices, Inc.

DUAL-VOLTAGE OUTPUT, 12-BIT DAC

10962

LTC2634CMSE-LMX10#PBF

LTC2634CMSE-LMX10#PBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 10MSOP

0

LTC1821BCGW#TRPBF

LTC1821BCGW#TRPBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 36SSOP

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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