Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
AD7225CQ

AD7225CQ

Analog Devices, Inc.

DAC, PARALLEL, 8 BITS INPUT

1073

LTC1597AIG#PBF

LTC1597AIG#PBF

Analog Devices, Inc.

IC DAC 16BIT A-OUT 28SSOP

88

AD5625BRUZ-REEL7

AD5625BRUZ-REEL7

Analog Devices, Inc.

IC DAC 12BIT V-OUT 14TSSOP

0

MAX5173AEEE+T

MAX5173AEEE+T

Maxim Integrated

IC DAC 14BIT V-OUT 16QSOP

0

MAX544BCPA

MAX544BCPA

Analog Devices, Inc.

SERIAL, VOLTAGE-OUT, 14-BIT DAC

42

MAX505AEAG+

MAX505AEAG+

Maxim Integrated

IC DAC 8BIT V-OUT 24SSOP

480

TVP3020-135PCE

TVP3020-135PCE

Texas Instruments

PALETTE DAC, 1600 X 1280 PIXELS

381

AD7847BR

AD7847BR

Analog Devices, Inc.

DAC, 2 CH, PARALLEL, WORD INPUT

21

MAX543AESA

MAX543AESA

Analog Devices, Inc.

MULTIPLYING DAC

843

AD5675RBRUZ-REEL7

AD5675RBRUZ-REEL7

Analog Devices, Inc.

AD5675 - 16-BIT OCTAL SPI NANODA

436

MAX517BESA+T

MAX517BESA+T

Maxim Integrated

IC DAC 8BIT V-OUT 8SOIC

0

AD5441BRMZ-REEL7

AD5441BRMZ-REEL7

Analog Devices, Inc.

AD5441 - 12-BIT SERIAL INPUT MUL

0

AD9779ABSVZRL

AD9779ABSVZRL

Analog Devices, Inc.

D/A CONVERTER, PARALLEL, WORD IN

2657

TLC5628CN

TLC5628CN

Texas Instruments

IC DAC 8BIT V-OUT 16DIP

200

DAC7574IDGS

DAC7574IDGS

Texas Instruments

IC DAC 12BIT V-OUT 10VSSOP

245

DAC7615PB

DAC7615PB

Burr-Brown (Texas Instruments)

DAC, SERIAL INPUT

2627

MAX5353AEUA+T

MAX5353AEUA+T

Maxim Integrated

IC DAC 12BIT V-OUT 8UMAX

5000

DAC70502DRXT

DAC70502DRXT

Texas Instruments

DUAL CHANNEL 14 BIT DAC

299

LTC2630AHSC6-LM12#TRMPBF

LTC2630AHSC6-LM12#TRMPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT SC70-6

577

MAX536BEWE+

MAX536BEWE+

Maxim Integrated

IC DAC 12BIT V-OUT 16SOIC

86

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.

RFQ BOM Call Skype Email
Top