Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
PM7542GP

PM7542GP

Analog Devices, Inc.

M-PROC COMPATIBLE 12-BIT DAC

1429

AD669SQ/883B

AD669SQ/883B

Analog Devices, Inc.

IC DAC 16BIT V-OUT 28CDIP

0

AD7545ACQ

AD7545ACQ

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

252

DAC8532IDGKG4

DAC8532IDGKG4

Texas Instruments

DAC8532 16-BIT, DUAL CHANNEL, LO

35

LTC1329CS8-10#PBF

LTC1329CS8-10#PBF

Analog Devices, Inc.

IC DAC 8BIT A-OUT 8SOIC

253

MX7545GLCWP+

MX7545GLCWP+

Analog Devices, Inc.

DAC, 1 FUNC, PARALLEL, WORD INPU

1476

AD7538TQ/883B

AD7538TQ/883B

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

278

LTC2654BIGN-L16#TRPBF

LTC2654BIGN-L16#TRPBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 16SSOP

0

MAX502AEWG+T

MAX502AEWG+T

Maxim Integrated

IC DAC 12BIT V-OUT 24SOIC

0

TLV5633CPWR

TLV5633CPWR

Texas Instruments

DAC, PARALLEL, WORD INPUT

4000

DAC7552IRGTT

DAC7552IRGTT

Texas Instruments

IC DAC 12BIT V-OUT 16QFN

1859

DAC8811ICDRBTG4

DAC8811ICDRBTG4

Texas Instruments

IC DAC 16BIT A-OUT 8SON

0

MX7538KEWG+

MX7538KEWG+

Maxim Integrated

IC DAC 14BIT A-OUT 24SOIC

3430

AD5326ARU

AD5326ARU

Analog Devices, Inc.

2.5V-5.5V, QUAD 12-BIT DAC

9486

LTC2636HDE-HZ8#TRPBF

LTC2636HDE-HZ8#TRPBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT 14DFN

0

MX7543JN+

MX7543JN+

Maxim Integrated

IC DAC 12BIT A-OUT 16DIP

77

AD9750ARURL7

AD9750ARURL7

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

144800

LTC2640HTS8-HZ10#TRMPBF

LTC2640HTS8-HZ10#TRMPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT TSOT23-8

0

DAC8411IDCKR

DAC8411IDCKR

Texas Instruments

IC DAC 16BIT V-OUT SC70-6

0

M62392FP#TF0J

M62392FP#TF0J

Renesas Electronics America

DAC, 8-BIT, 12-CHANNELS

5749

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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