Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
LTC2656CIUFD-L16#TRPBF

LTC2656CIUFD-L16#TRPBF

Analog Devices, Inc.

OCTAL 16-BIT RAIL-TO-RAIL DAC WI

2500

MAX5510ETC+T

MAX5510ETC+T

Maxim Integrated

IC DAC 8BIT V-OUT 12TQFN

0

MAX5705BAUB+T

MAX5705BAUB+T

Maxim Integrated

IC DAC 12BIT V-OUT 10UMAX

12500

AD5543CRMZ

AD5543CRMZ

Analog Devices, Inc.

IC DAC 16BIT A-OUT 8MSOP

323

LTC2637IDE-HMI10#PBF

LTC2637IDE-HMI10#PBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 14DFN

0

MCP47FEB28T-E/MQ

MCP47FEB28T-E/MQ

Roving Networks / Microchip Technology

OCTAL CHANNEL, 12-BIT, EEPROM, I

3264

DAC8512EPZ

DAC8512EPZ

Analog Devices, Inc.

+5V, SERIAL INPUT 12-BIT DAC

2213

LTC2640ITS8-LM12#TRPBF

LTC2640ITS8-LM12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

0

MAX5715AAUD+

MAX5715AAUD+

Maxim Integrated

IC DAC 12BIT V-OUT 14TSSOP

5856

AD5421ACPZ-REEL7

AD5421ACPZ-REEL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT 32LFCSP

1462

AD395KD

AD395KD

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

413

MAX5251BCPP+

MAX5251BCPP+

Maxim Integrated

IC DAC 10BIT V-OUT 20DIP

83846

AD5531BRU

AD5531BRU

Analog Devices, Inc.

SERIAL INPUT, 14-BIT DAC

1907

DAC80004IPWR

DAC80004IPWR

Texas Instruments

IC DAC 16BIT V-OUT 14TSSOP

0

MAX5361LEUK+T

MAX5361LEUK+T

Maxim Integrated

IC DAC 6BIT V-OUT SOT23-5

2053

TLC34076-135FN

TLC34076-135FN

Texas Instruments

PALETTE DAC, CMOS

193

AD568SE/883B

AD568SE/883B

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

7

LTC2657IUFD-H12#PBF

LTC2657IUFD-H12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 20QFN

74

LTC2630CSC6-LM10#TRPBF

LTC2630CSC6-LM10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT SC70-6

0

AD5694BCPZ-RL7

AD5694BCPZ-RL7

Analog Devices, Inc.

IC DAC 12BIT V-OUT 16LFCSP

1263

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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