Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
DAC8802IPWR

DAC8802IPWR

Texas Instruments

IC DAC 14BIT A-OUT 16TSSOP

0

AD5425YRMZ

AD5425YRMZ

Analog Devices, Inc.

IC DAC 8BIT A-OUT 10MSOP

83

AD75004KP

AD75004KP

Analog Devices, Inc.

4 CH DAC, PARALLEL, 8 BITS INPUT

301

AD7111ABR

AD7111ABR

Analog Devices, Inc.

SINGLE CHANNEL LOGDAC IC

0

5962-87802012C

5962-87802012C

Texas Instruments

TLC7226M 8-BIT, 5 US QUAD DAC, P

352

PM7574FP

PM7574FP

Analog Devices, Inc.

DUAL 8-BIT MULTIPLYING DAC

9030

MCP4811T-E/MC

MCP4811T-E/MC

Roving Networks / Microchip Technology

IC DAC 10BIT V-OUT 8DFN

0

LTC2631HTS8-LM12#TRPBF

LTC2631HTS8-LM12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

0

LTC2755ACUP-16#PBF

LTC2755ACUP-16#PBF

Analog Devices, Inc.

IC DAC 16BIT A-OUT 64QFN

60

AD5660ARJZ-1REEL7

AD5660ARJZ-1REEL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT SOT23-8

2489

DAC0832LCWM/NOPB

DAC0832LCWM/NOPB

DAC, 1 FUNC, PARALLEL, 8 BITS IN

0

LTC2635CMSE-HZ10#PBF

LTC2635CMSE-HZ10#PBF

Analog Devices, Inc.

QUAD 10-BIT I2C VOUT DAC WITH 10

50

LTC2637CMS-LZ8#PBF

LTC2637CMS-LZ8#PBF

Analog Devices, Inc.

OCTAL 8-BIT I2C VOUT DAC WITH 10

296

AD5627RBCPZ-R2

AD5627RBCPZ-R2

Analog Devices, Inc.

DUAL, 12-BIT NANODACS

10898

F161OLMHAXP

F161OLMHAXP

IR (Infineon Technologies)

16-BIT MICROCONTROLLER, 20MHZ

344

DAC8812ICPW

DAC8812ICPW

Texas Instruments

IC DAC 16BIT A-OUT 16TSSOP

868

AD9737ABBCZ

AD9737ABBCZ

Analog Devices, Inc.

IC DAC 11BIT A-OUT 160CSPBGA

13

LTC2656BCUFD-L16#PBF

LTC2656BCUFD-L16#PBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 20QFN

0

AD7520TD

AD7520TD

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

1888

AD5344BRUZ

AD5344BRUZ

Analog Devices, Inc.

IC DAC 12BIT V-OUT 28TSSOP

891

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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