Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
LTC1446CS8#PBF

LTC1446CS8#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 8SOIC

1023

AD7628BQ

AD7628BQ

Analog Devices, Inc.

2-CH DAC, PARALLEL, 8 BITS INPUT

1145

AD7543GKR-REEL7

AD7543GKR-REEL7

Analog Devices, Inc.

DAC, SERIAL INPUT LOADING

2400

MAX530ACNG

MAX530ACNG

Analog Devices, Inc.

MAX530 VOLTAGE OUTPUT,12-BIT DAC

19

LTC2666CUH-16#PBF

LTC2666CUH-16#PBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 32QFN

395

LTC2635CUD-HMI12#PBF

LTC2635CUD-HMI12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 16QFN

0

AD7303BR

AD7303BR

Analog Devices, Inc.

DAC,SERIAL INPUT LOADING

22743

AD7543BQ

AD7543BQ

Analog Devices, Inc.

DAC, SERIAL INPUT LOADING

150

AD1857JRS

AD1857JRS

Analog Devices, Inc.

STEREO SIGMA DELTA DAC

38357

LTC1458LCG

LTC1458LCG

Analog Devices, Inc.

IC DAC 12BIT V-OUT 28SSOP

10

AD5683RARMZ-RL7

AD5683RARMZ-RL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT 10MSOP

0

AD7547LR

AD7547LR

Analog Devices, Inc.

2 CHANNEL DAC, PARALLEL

573

LTC2635CUD-LMI12#PBF

LTC2635CUD-LMI12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 16QFN

0

PM7524FQ

PM7524FQ

Analog Devices, Inc.

8-BIT BUFFERED MULTIPLYING DAC

5676

AD5620CRM-3

AD5620CRM-3

Analog Devices, Inc.

SINGLE 5V 12BIT SPI DAC W/REF SE

7853

AD5640BCPZ-1RL7

AD5640BCPZ-1RL7

Analog Devices, Inc.

SINGLE, 14-BIT NANODAC

3877

AD5440YRU-REEL

AD5440YRU-REEL

Analog Devices, Inc.

DUAL 10-BIT, MULTIPLYING DAC

654

MX7523LCWE+

MX7523LCWE+

Analog Devices, Inc.

DAC, 1 FUNC, PARALLEL, 8 BITS IN

4930

MAX5353AEPA

MAX5353AEPA

Analog Devices, Inc.

12-BIT VOLTAGE-OUT DAC, SERIAL

29

AD5686RACPZ-RL7

AD5686RACPZ-RL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT 16LFCSP

995

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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