Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
LTC2656BIUFD-H16#TRPBF

LTC2656BIUFD-H16#TRPBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 20QFN

0

LTC2616CDD-1#TRPBF

LTC2616CDD-1#TRPBF

Analog Devices, Inc.

IC DAC 14BIT V-OUT 10DFN

0

AD7548SQ/883B

AD7548SQ/883B

Analog Devices, Inc.

DAC, PARALLEL, 8 BITS INPUT

0

LTC2632CTS8-HI8#TRPBF

LTC2632CTS8-HI8#TRPBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT TSOT23-8

0

AD5542AARUZ

AD5542AARUZ

Analog Devices, Inc.

IC DAC 16BIT V-OUT 16TSSOP

14

LTC2664IUH-12#TRPBF

LTC2664IUH-12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 32QFN

0

LTC2636HDE-HMI12#PBF

LTC2636HDE-HMI12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 14DFN

0

ADV7146KN35

ADV7146KN35

Analog Devices, Inc.

CONTINUOUS EDGE GRAPHICS RAM-DAC

934

AD8842ANZ

AD8842ANZ

Analog Devices, Inc.

DAC, 8 CH, SERIAL INPUT LOADING

6928

LTC2635HUD-HZ10#PBF

LTC2635HUD-HZ10#PBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 16QFN

134

MAX5382MEUK

MAX5382MEUK

Analog Devices, Inc.

8-BIT DAC WITH SERIAL INTERFACE

2294

MAX519BESE+

MAX519BESE+

Analog Devices, Inc.

MAX519 2-WIRE SERIAL 8-BIT DAC W

1300

PM7543GP

PM7543GP

Analog Devices, Inc.

12-BIT BUFFERED MILTIPLYING DAC

984

AD1861N-J

AD1861N-J

Analog Devices, Inc.

18-BIT 16 X FS PCM AUDIO DAC

31436

DAC8420FS-REEL

DAC8420FS-REEL

Analog Devices, Inc.

QUAD 12-BIT SERIAL V-OUT DAC

0

AD5339BRM

AD5339BRM

Analog Devices, Inc.

DUAL-VOLTAGE OUTPUT, 12-BIT DAC

9861

MAX505AENG

MAX505AENG

Analog Devices, Inc.

8-BIT DAC

174

LTC2635CMSE-HMI8#TRPBF

LTC2635CMSE-HMI8#TRPBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT 10MSOP

0

LTC2640ITS8-LM12#TRMPBF

LTC2640ITS8-LM12#TRMPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

1124

MAX5711EUT-T

MAX5711EUT-T

Analog Devices, Inc.

10-BIT V-OUT SERIAL DAC

7500

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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