Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
LTC2640HTS8-LM8#TRPBF

LTC2640HTS8-LM8#TRPBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT TSOT23-8

0

LTC2635HMSE-HZ10#TRPBF

LTC2635HMSE-HZ10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 10MSOP

0

AD7111TE/883B

AD7111TE/883B

Analog Devices, Inc.

DAC, PARALLEL, 8 BITS INPUT

11

MAX5157BEEE

MAX5157BEEE

Analog Devices, Inc.

DUAL, 12-BIT, VOLTAGE-OUT DAC

1228

LTC2654IGN-L12#PBF

LTC2654IGN-L12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 16SSOP

245

LTC2657BCFE-L16#TRPBF

LTC2657BCFE-L16#TRPBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 20TSSOP

0

AD5300BRMZ-REEL7

AD5300BRMZ-REEL7

Analog Devices, Inc.

IC DAC 8BIT V-OUT 8MSOP

723

AD7302BR-REEL7

AD7302BR-REEL7

Analog Devices, Inc.

DAC, PARALLEL, 8 BITS INPUT

400

PM7545GPZ

PM7545GPZ

Analog Devices, Inc.

12-BIT BUFFERED MILTIPLYING DAC

16055

LTC2000CY-14#PBF

LTC2000CY-14#PBF

Analog Devices, Inc.

IC DAC 14BIT A-OUT 170BGA

7

AD1860R

AD1860R

Analog Devices, Inc.

DAC,SERIAL INPUT LOADING

6861

AD5640CRMZ-1REEL7

AD5640CRMZ-1REEL7

Analog Devices, Inc.

IC DAC 14BIT V-OUT 8MSOP

0

MAX5177BEEE

MAX5177BEEE

Analog Devices, Inc.

SERIAL, 12-BIT DAC

1118

LTC1661CMS8#PBF

LTC1661CMS8#PBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 8MSOP

7041

LTC1595CCN8#PBF

LTC1595CCN8#PBF

Analog Devices, Inc.

IC DAC 16BIT A-OUT 8DIP

0

LTC2641IDD-14#PBF

LTC2641IDD-14#PBF

Analog Devices, Inc.

IC DAC 14BIT V-OUT 8DFN

671

AD5338BRM

AD5338BRM

Analog Devices, Inc.

DUAL-VOLTAGE OUTPUT, 10-BIT DAC

3123

AD7399BR-REEL

AD7399BR-REEL

Analog Devices, Inc.

DAC,SERIAL INPUT LOADING

1000

AD5672RBRUZ-REEL7

AD5672RBRUZ-REEL7

Analog Devices, Inc.

AD5672 - 12-BIT OCTAL SPI NANODA

4237

AD7840JN

AD7840JN

Analog Devices, Inc.

DAC,SERIAL, PARALLEL, WORD INPUT

2249

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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