Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
AD9755AST

AD9755AST

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

4388

LTC2634HMSE-LMI12#TRPBF

LTC2634HMSE-LMI12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 10MSOP

0

TLV5636CD

TLV5636CD

Texas Instruments

IC DAC 12BIT V-OUT 8SOIC

550

DAC5687IPZPG4

DAC5687IPZPG4

Texas Instruments

DAC5687 DUAL-CHANNEL, 16-BIT, 50

73

DAC8734SPFBR

DAC8734SPFBR

Texas Instruments

IC DAC 16BIT V-OUT 48TQFP

508

AD5424YCP-REEL7

AD5424YCP-REEL7

Analog Devices, Inc.

8-BIT, MULTIPLYING DAC

3000

MCP47FVB21A3T-E/ST

MCP47FVB21A3T-E/ST

Roving Networks / Microchip Technology

IC DAC 12BIT V-OUT 8TSSOP

0

DAC7614P

DAC7614P

Burr-Brown (Texas Instruments)

DAC, SERIAL INPUT

6645

MAX5351AEUA+

MAX5351AEUA+

Maxim Integrated

IC DAC 13BIT V-OUT 8UMAX

500

LTC1596-1BISW#PBF

LTC1596-1BISW#PBF

Analog Devices, Inc.

IC DAC 16BIT A-OUT 16SOIC

0

DAC7617EB

DAC7617EB

Texas Instruments

DAC7617 QUAD, SERIAL INPUT, 12-B

8940

LTC2637CMS-LZ10#PBF

LTC2637CMS-LZ10#PBF

Analog Devices, Inc.

OCTAL 10-BIT I2C VOUT DAC WITH 1

37

AD5611BKSZ-500RL7

AD5611BKSZ-500RL7

Analog Devices, Inc.

IC DAC 10BIT V-OUT SC70-6

276

MAX5106EEE+T

MAX5106EEE+T

Maxim Integrated

IC DAC 8BIT V-OUT 16QSOP

0

LTC2641CDD-14#TRPBF

LTC2641CDD-14#TRPBF

Analog Devices, Inc.

IC DAC 14BIT V-OUT 8DFN

0

MAX5123AEEE+

MAX5123AEEE+

Maxim Integrated

IC DAC 12BIT V-OUT 16QSOP

90800

MX7545KCWP

MX7545KCWP

Analog Devices, Inc.

12-BIT BUFFERED MULTIPLYING DAC

972

DAC7742YB/250

DAC7742YB/250

Texas Instruments

DAC7742 16-BIT, SINGLE CHANNEL,

6162

AD7233BN

AD7233BN

Analog Devices, Inc.

DAC,SERIAL INPUT LOADING

575

DAC7624U/1K

DAC7624U/1K

Texas Instruments

DAC7624 12-BIT QUAD VOLTAGE OUTP

16075

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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