Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
LTC2641CMS8-14#PBF

LTC2641CMS8-14#PBF

Analog Devices, Inc.

IC DAC 14BIT V-OUT 8MSOP

0

LTC2633CTS8-LI8#TRMPBF

LTC2633CTS8-LI8#TRMPBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT TSOT23-8

27

5962-87701012A

5962-87701012A

Analog Devices, Inc.

DUAL, 8-BIT DAC (AD7528S)

3

LTC2637IMS-HZ10#TRPBF

LTC2637IMS-HZ10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 16MSOP

0

AD5570WRSZ

AD5570WRSZ

Analog Devices, Inc.

IC DAC 16BIT V-OUT 16SSOP

93

LTC2617IDE#PBF

LTC2617IDE#PBF

Analog Devices, Inc.

14-BIT DUAL RAIL-TO-RAIL DAC WIT

31

LTC2657IUFD-L12#PBF

LTC2657IUFD-L12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 20QFN

39

AD5311BRM-REEL7

AD5311BRM-REEL7

Analog Devices, Inc.

120UA,VOLTAGE-OUTPUT 10-BIT DAC

38953

AD5410ACPZ-REEL

AD5410ACPZ-REEL

Analog Devices, Inc.

IC DAC 12BIT A-OUT 40LFCSP

0

LTC2631CTS8-LZ8#TRMPBF

LTC2631CTS8-LZ8#TRMPBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT TSOT23-8

0

AD5398BCPZ-REEL7

AD5398BCPZ-REEL7

Analog Devices, Inc.

120MA, CURRENT SINKING, 10-BIT,

71314

LTC2634IMSE-HMX8#TRPBF

LTC2634IMSE-HMX8#TRPBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT 10MSOP

0

LTC2607IDE#PBF

LTC2607IDE#PBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 12DFN

101

LTC2633AHTS8-HZ12#TRMPBF

LTC2633AHTS8-HZ12#TRMPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

357

AD7224KRZ-18REEL

AD7224KRZ-18REEL

Analog Devices, Inc.

IC DAC 8BIT V-OUT 18SOIC

0

MX7537LN

MX7537LN

Analog Devices, Inc.

DUAL 12-BIT MULTIPLYING DAC

45

AD5681RBRMZ

AD5681RBRMZ

Analog Devices, Inc.

IC DAC 12BIT V-OUT 10MSOP

187

MAX507AEWG-T

MAX507AEWG-T

Analog Devices, Inc.

12-BIT DAC

988

AD7225KP-REEL

AD7225KP-REEL

Analog Devices, Inc.

DAC, PARALLEL, 8 BITS INPUT

3500

PM7545FS

PM7545FS

Analog Devices, Inc.

12-BIT BUFFERED MILTIPLYING DAC

352

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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