Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
5962-8967101LA

5962-8967101LA

Analog Devices, Inc.

DUAL MARKED (DAC8221AW)

3334

DAC8222FS

DAC8222FS

Analog Devices, Inc.

DUAL 12-BIT MULTIPLYING DAC

23244

AD5321BRTZ-500RL7

AD5321BRTZ-500RL7

Analog Devices, Inc.

IC DAC 12BIT V-OUT SOT23-6

412

LTC1665IN#PBF

LTC1665IN#PBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT 16DIP

0

LTC2637HDE-LMI12#PBF

LTC2637HDE-LMI12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 14DFN

0

ADV7127JRU240

ADV7127JRU240

Analog Devices, Inc.

10-BIT HIGH SPEED VIDEO DAC

3551

AD5378ABCZ

AD5378ABCZ

Analog Devices, Inc.

IC DAC 14BIT V-OUT 108CSPBGA

25

MAX5581BEUP+

MAX5581BEUP+

Analog Devices, Inc.

DAC, 1 FUNC, SERIAL INPUT LOADIN

3626

LTC2630HSC6-LM10#TRPBF

LTC2630HSC6-LM10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT SC70-6

0

AD9752ARRL

AD9752ARRL

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

24963

LTC1667IG#PBF

LTC1667IG#PBF

Analog Devices, Inc.

IC DAC 14BIT A-OUT 28SSOP

32

AD7945TQ

AD7945TQ

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

1870

AD5425YRMZ

AD5425YRMZ

Analog Devices, Inc.

IC DAC 8BIT A-OUT 10MSOP

83

AD75004KP

AD75004KP

Analog Devices, Inc.

4 CH DAC, PARALLEL, 8 BITS INPUT

301

AD7111ABR

AD7111ABR

Analog Devices, Inc.

SINGLE CHANNEL LOGDAC IC

0

PM7574FP

PM7574FP

Analog Devices, Inc.

DUAL 8-BIT MULTIPLYING DAC

9030

LTC2631HTS8-LM12#TRPBF

LTC2631HTS8-LM12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

0

LTC2755ACUP-16#PBF

LTC2755ACUP-16#PBF

Analog Devices, Inc.

IC DAC 16BIT A-OUT 64QFN

60

AD5660ARJZ-1REEL7

AD5660ARJZ-1REEL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT SOT23-8

2489

LTC2635CMSE-HZ10#PBF

LTC2635CMSE-HZ10#PBF

Analog Devices, Inc.

QUAD 10-BIT I2C VOUT DAC WITH 10

50

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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