Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
LTC2754ACUKG-16#TRPBF

LTC2754ACUKG-16#TRPBF

Analog Devices, Inc.

IC DAC 16BIT A-OUT 52QFN

0

LTC2632CTS8-LI10#TRPBF

LTC2632CTS8-LI10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT TSOT23-8

0

AD5322ARMZ

AD5322ARMZ

Analog Devices, Inc.

IC DAC 12BIT V-OUT 10MSOP

15

AD7302BNZ

AD7302BNZ

Analog Devices, Inc.

IC DAC 8BIT V-OUT 20DIP

196

LTC1668CG#PBF

LTC1668CG#PBF

Analog Devices, Inc.

IC DAC 16BIT A-OUT 28SSOP

0

AD7245AAPZ

AD7245AAPZ

Analog Devices, Inc.

DAC, 1 FUNC, PARALLEL, WORD INPU

358

MAX532BCPE

MAX532BCPE

Analog Devices, Inc.

DUAL VOLTAGE-OUT, 12-BIT MDAC

0

AD5693RACPZ-1RL7

AD5693RACPZ-1RL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT 8LFCSP

3012

LTC2634CMSE-LZ10#PBF

LTC2634CMSE-LZ10#PBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 10MSOP

142

LTC2614IGN#PBF

LTC2614IGN#PBF

Analog Devices, Inc.

IC DAC 14BIT V-OUT 16SSOP

0

PM7226FR

PM7226FR

Analog Devices, Inc.

8-BIT DAC WITH VOLTAGE OUTPUT

1698

DAC8221FW

DAC8221FW

Analog Devices, Inc.

DUAL 12-BIT MULTIPLYING DAC

288

LTC2631AITS8-LZ12#TRPBF

LTC2631AITS8-LZ12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

0

LTC2637CDE-HMI12#PBF

LTC2637CDE-HMI12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 14DFN

0

LTC2751CUHF-14#PBF

LTC2751CUHF-14#PBF

Analog Devices, Inc.

IC DAC 14BIT A-OUT 38QFN

0

MAX5171AEEE+

MAX5171AEEE+

Analog Devices, Inc.

MAX5171 LOW-POWER, SERIAL, 14-BI

1097

LTC2632HTS8-HI10#TRMPBF

LTC2632HTS8-HI10#TRMPBF

Analog Devices, Inc.

DUAL 10-BIT SPI VOUT DAC WITH 10

100

DAC8413BTC/883C

DAC8413BTC/883C

Analog Devices, Inc.

QUAD, 12-BIT DAC VOLTAGE OUTPUT

205

LTC2637HDE-LZ12#PBF

LTC2637HDE-LZ12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 14DFN

0

ADV476KP80E

ADV476KP80E

Analog Devices, Inc.

256 X 18 COLOR PALETTE RAM-DAC

8895

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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