Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
AD5766BCBZ-RL7

AD5766BCBZ-RL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT 49WLCSP

1165

MAX5112GTJ+T

MAX5112GTJ+T

Maxim Integrated

IC DAC 14BIT A-OUT 32TQFN

0

AD5334BRUZ-REEL7

AD5334BRUZ-REEL7

Analog Devices, Inc.

IC DAC 8BIT V-OUT 24TSSOP

827

TLV5626IDRG4

TLV5626IDRG4

Texas Instruments

IC DAC 8BIT V-OUT 8SOIC

0

DAC8426EP

DAC8426EP

Analog Devices, Inc.

QUAD 8-BIT VOLTAGE OUT DAC +REF

65

MAX532ACPE+

MAX532ACPE+

Maxim Integrated

IC DAC 12BIT V-OUT 16DIP

1841400

DAC7513N/250

DAC7513N/250

Texas Instruments

IC DAC 12BIT V-OUT SOT23-8

4410

AD7111ACR

AD7111ACR

Analog Devices, Inc.

DAC, PARALLEL, 8 BITS INPUT

1710

FMS3818KRC

FMS3818KRC

DAC, PARALLEL, 8 BITS INPUT

1441

DAC8012HPC

DAC8012HPC

Analog Devices, Inc.

12-BIT MULTIPLYING D/A CONVERTER

6980

AD5301BRTZ-REEL7

AD5301BRTZ-REEL7

Analog Devices, Inc.

AD5301 - 2.5V TO 5.5V, 120UA, 2-

6182

TLC7524IPW

TLC7524IPW

Texas Instruments

IC DAC 8BIT A-OUT 16TSSOP

17

LTC1663-8CMS8#TRPBF

LTC1663-8CMS8#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 8MSOP

0

AD5696RACPZ-RL7

AD5696RACPZ-RL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT 16LFCSP

655

AD5663BCPZ-R2

AD5663BCPZ-R2

Analog Devices, Inc.

DAC,SERIAL INPUT LOADING

4115

MAX538ACSA

MAX538ACSA

Analog Devices, Inc.

VOLTAGE-OUT,SERIAL 12-BIT DAC

42

AD7840JPZ-REEL

AD7840JPZ-REEL

Analog Devices, Inc.

IC DAC 14BIT V-OUT 28PLCC

0

ADV7151LS170

ADV7151LS170

Analog Devices, Inc.

TRIPLE 10-BIT VIDEO RAM-DAC

793

AD7247AQ

AD7247AQ

Analog Devices, Inc.

D/A CONVERTER, 2 FUNC, PARALLEL,

15

DAC80504RTER

DAC80504RTER

Texas Instruments

IC DAC 16BIT V-OUT 16WQFN

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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