Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
DAC34H84IZAYR

DAC34H84IZAYR

Texas Instruments

IC DAC 16BIT A-OUT 196NFBGA

0

DAC8831IDG4

DAC8831IDG4

Texas Instruments

DAC8831 16-BIT, ULTRA-LOW POWER,

44

DAC7643VFT

DAC7643VFT

Texas Instruments

DAC, PARALLEL, WORD INPUT

1495

TLV5606ID

TLV5606ID

Texas Instruments

IC DAC 10BIT V-OUT 8SOIC

32

DAC7613EB/1K

DAC7613EB/1K

Texas Instruments

DAC7613 12-BIT, VOLTAGE OUTPUT D

4944

DAC7801LU

DAC7801LU

Texas Instruments

IC DAC 12BIT A-OUT 24SOIC

96

TLV5624IDGK

TLV5624IDGK

Texas Instruments

IC DAC 8BIT V-OUT 8VSSOP

254

DAC7611UB/2K5G4

DAC7611UB/2K5G4

Texas Instruments

IC DAC 12BIT V-OUT 8SOIC

0

DAC0800LCMX/NOPB

DAC0800LCMX/NOPB

Texas Instruments

IC DAC 8BIT A-OUT 16SOIC

450

DAC80508MYZFT

DAC80508MYZFT

Texas Instruments

IC DAC 16BIT V-OUT 16DSBGA

12

TVP3409-170CFN

TVP3409-170CFN

Texas Instruments

PALETTE DAC, 1024 X 768 PIXELS,

20069

DAC7614UB

DAC7614UB

Texas Instruments

IC DAC 12BIT V-OUT 16SOIC

329

DAC60508MCYZFR

DAC60508MCYZFR

Texas Instruments

IC DAC 12BIT V-OUT 16DSBGA

0

DAC8830ICD

DAC8830ICD

Texas Instruments

IC DAC 16BIT V-OUT 8SOIC

1349

TLC5617AIDR

TLC5617AIDR

Texas Instruments

DAC, SERIAL INPUT LOADING

2318

TLC5620CDR

TLC5620CDR

Texas Instruments

IC DAC 8BIT V-OUT 14SOIC

760

DAC8581IPWRG4

DAC8581IPWRG4

Texas Instruments

IC DAC 16BIT V-OUT 16TSSOP

0

DAC124S085CIMM-TI

DAC124S085CIMM-TI

Texas Instruments

DAC, 1 FUNC, SERIAL INPUT LOADIN

3468

5962-9469301QRA

5962-9469301QRA

Texas Instruments

D/A CONVERTER, 8 BITS

0

TLC5620ID

TLC5620ID

Texas Instruments

TLC5620 8-BIT, 10 US QUAD DAC, S

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.

RFQ BOM Call Skype Email
Top