Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
LTC2640ITS8-LM8#TRMPBF

LTC2640ITS8-LM8#TRMPBF

Analog Devices, Inc.

SINGLE 8-BIT SPI VOUT DAC WITH B

400

LTC2641IDD-16#TRPBF

LTC2641IDD-16#TRPBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 8DFN

0

MX7523JEWE+

MX7523JEWE+

Analog Devices, Inc.

MX7523 CMOS 8 BIT MULTIPLYING D/

2392

LTC1821ACGW#TRPBF

LTC1821ACGW#TRPBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 36SSOP

0

AD5663BRMZ-REEL7

AD5663BRMZ-REEL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT 10MSOP

0

LTC2637HMS-LMX8#PBF

LTC2637HMS-LMX8#PBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT 16MSOP

0

LTC2600IUFD#TRPBF

LTC2600IUFD#TRPBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 20QFN

0

MAX5110GTJ+

MAX5110GTJ+

Maxim Integrated

IC DAC 14BIT 32TQFN

60

MAX5174AEEE+

MAX5174AEEE+

Maxim Integrated

IC DAC 12BIT V-OUT 16QSOP

251100

DAC8162TDSCR

DAC8162TDSCR

Texas Instruments

DAC8162T DAC8162T DUAL,14-BIT,LO

3000

DAC8832IRGYRG4

DAC8832IRGYRG4

Texas Instruments

IC DAC 16BIT V-OUT 14VQFN

0

AD5676RBRUZ

AD5676RBRUZ

Analog Devices, Inc.

IC DAC 16BIT V-OUT 20TSSOP

31

MAX5102AEUE

MAX5102AEUE

Analog Devices, Inc.

PARALLEL 8-BIT DAC

2784

LTC2634IMSE-HZ10#TRPBF

LTC2634IMSE-HZ10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 10MSOP

0

LTC2000IY-11#PBF

LTC2000IY-11#PBF

Analog Devices, Inc.

IC DAC 11BIT A-OUT 170BGA

87

MX7541AJP

MX7541AJP

Analog Devices, Inc.

12-BIT MULTIPLYING DAC

5528

MAX5184BEEG+

MAX5184BEEG+

Maxim Integrated

IC DAC 10BIT V-OUT 24QSOP

772200

LTC2631AHTS8-HM12#TRPBF

LTC2631AHTS8-HM12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

0

AD5060ARJZ-1500RL7

AD5060ARJZ-1500RL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT SOT23-8

498

MAX5136AGUE+

MAX5136AGUE+

Maxim Integrated

IC DAC 16BIT V-OUT 16TSSOP

4232784

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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