Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
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

BH2226F-E2

BH2226F-E2

ROHM Semiconductor

IC DAC 8BIT V-OUT 16SOP

1485

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

AD5675RBRUZ

AD5675RBRUZ

Analog Devices, Inc.

IC DAC 16BIT V-OUT 20TSSOP

329

AD5392BSTZ-5

AD5392BSTZ-5

Analog Devices, Inc.

IC DAC 14BIT V-OUT 52LQFP

91

AD7533KPZ-REEL

AD7533KPZ-REEL

Analog Devices, Inc.

DAC, 2 FUNC, PARALLEL, WORD INPU

1574

PM7541AFS

PM7541AFS

Analog Devices, Inc.

12-BIT MILTIPLYING DAC

0

AD5689BRUZ-RL7

AD5689BRUZ-RL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT 16TSSOP

0

LTC2634CUD-LMX8#TRPBF

LTC2634CUD-LMX8#TRPBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT 16QFN

0

MAX520BEPE

MAX520BEPE

Analog Devices, Inc.

QUAD, SERIAL 8-BIT DAC

0

AD7564BRZ

AD7564BRZ

Analog Devices, Inc.

IC DAC 12BIT A-OUT 28SOIC

4

MAX5500AGAP+

MAX5500AGAP+

Maxim Integrated

IC DAC 12BIT V-OUT 20SSOP

6886732

AD5410AREZ-REEL7

AD5410AREZ-REEL7

Analog Devices, Inc.

IC DAC 12BIT A-OUT 24TSSOP

505

MX7628KN

MX7628KN

Analog Devices, Inc.

DUAL 8-BIT MULTIPLYING DAC

223

LTC7545ABG#PBF

LTC7545ABG#PBF

Analog Devices, Inc.

IMPROVED INDUSTRY STANDARD PARAL

1056

AD7237AAR

AD7237AAR

Analog Devices, Inc.

2 CH DAC, PARALLEL, 8 BITS INPUT

1168

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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