Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
DAC38J82IAAV

DAC38J82IAAV

Texas Instruments

IC DAC 16BIT A-OUT 144FCBGA

59

DAC8554IPW

DAC8554IPW

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

220

DAC908E/2K5

DAC908E/2K5

Texas Instruments

DAC908 8-BIT 165-MSPS DIGITAL-TO

35313

TLV5606CDGKR

TLV5606CDGKR

Texas Instruments

TLV5606 10-BIT, 3 OR 9 US DAC, S

0

DAC8811IBDRBT

DAC8811IBDRBT

Texas Instruments

IC DAC 16BIT A-OUT 8SON

66

DAC81408RHAT

DAC81408RHAT

Texas Instruments

IC DAC 16BIT V-OUT 40VQFN

226

DAC8163SDGST

DAC8163SDGST

Texas Instruments

IC DAC 14BIT V-OUT 10VSSOP

250

TLV5618ACDR

TLV5618ACDR

Texas Instruments

IC DAC 12BIT V-OUT 8SOIC

0

DAC3154IRGCT

DAC3154IRGCT

Texas Instruments

DAC3154 DUAL-CHANNEL, 10-BIT, 50

50

DAC8218SPAGR

DAC8218SPAGR

Texas Instruments

DAC8218 OCTAL, LOW POWER ,14-BIT

1150

DAC7744ECG4

DAC7744ECG4

Texas Instruments

IC DAC 16BIT V-OUT 48SSOP

0

TLV5626IDR

TLV5626IDR

Texas Instruments

IC DAC 8BIT V-OUT 8SOIC

0

TLV5633CPW

TLV5633CPW

Texas Instruments

TLV5633 12-BIT DAC PARALLEL VOLT

3990

DAC5688IRGCT

DAC5688IRGCT

Texas Instruments

IC DAC 16BIT A-OUT 64VQFN

295

DAC8822QCDBTG4

DAC8822QCDBTG4

Texas Instruments

IC DAC 16BIT A-OUT 38TSSOP

0

DAC7565IAPW

DAC7565IAPW

Texas Instruments

IC DAC 12BIT V-OUT 16TSSOP

964

DAC7678SPWR

DAC7678SPWR

Texas Instruments

IC DAC 12BIT V-OUT 16TSSOP

0

DAC7811IDGSG4

DAC7811IDGSG4

Texas Instruments

IC DAC 12BIT A-OUT 10VSSOP

0

TLV5606CDR

TLV5606CDR

Texas Instruments

TLV5606 10-BIT, 3 OR 9 US DAC, S

255

DAC7811IDGSRG4

DAC7811IDGSRG4

Texas Instruments

IC DAC 12BIT A-OUT 10VSSOP

0

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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