Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
AD7547JPZ-REEL

AD7547JPZ-REEL

Analog Devices, Inc.

DAC, 2 FUNC, PARALLEL, WORD INPU

518

AD8801AR

AD8801AR

Analog Devices, Inc.

DAC, 8 FUNC, SERIAL INPUT

6687

5962-9176404M3A

5962-9176404M3A

Analog Devices, Inc.

QUAD CHANNEL DAC 12-BIT - DUAL M

393

LTC1451CS8#PBF

LTC1451CS8#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 8SOIC

492

MX7541AJEWN

MX7541AJEWN

Analog Devices, Inc.

12-BIT MULTIPLYING DAC

126

PM7574GP

PM7574GP

Analog Devices, Inc.

DUAL 8-BIT MULTIPLYING DAC

1026

LTC2640HTS8-LZ10#TRPBF

LTC2640HTS8-LZ10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT TSOT23-8

0

LTC2637CDE-LMI10#TRPBF

LTC2637CDE-LMI10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 14DFN

0

LTC2636CDE-LZ10#TRPBF

LTC2636CDE-LZ10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 14DFN

0

AD5335BRUZ-REEL

AD5335BRUZ-REEL

Analog Devices, Inc.

IC DAC 10BIT V-OUT 24TSSOP

0

AD9122BCPZ

AD9122BCPZ

Analog Devices, Inc.

IC DAC 16BIT A-OUT 72LFCSP

796

AD5765CSUZ-REEL7

AD5765CSUZ-REEL7

Analog Devices, Inc.

D/A CONVERTER, 4 FUNC, SERIAL IN

224

LTC2642AIMS-16#PBF

LTC2642AIMS-16#PBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 10MSOP

0

AD5665RBCPZ-REEL7

AD5665RBCPZ-REEL7

Analog Devices, Inc.

AD5665 - QUAD 2.7-5.5V 16BIT I2C

23918

AD5541LR

AD5541LR

Analog Devices, Inc.

SERIAL IN, V-OUT, 14-BIT DAC

3253

AD7945BRS

AD7945BRS

Analog Devices, Inc.

DAC,PARALLEL, WORD INPUT

3633

5962-9176401MXA

5962-9176401MXA

Analog Devices, Inc.

QUAD CHANNEL DAC 12-BIT (DAC8412

1913

LTC2664IUH-16#TRPBF

LTC2664IUH-16#TRPBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 32QFN

0

AD420AN-32

AD420AN-32

Analog Devices, Inc.

SERIAL INPUT 16-BIT DAC

9

AD9773BSV

AD9773BSV

Analog Devices, Inc.

DAC, SERIAL INPUT LOADING

1496

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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