Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
AD9765ASTZ

AD9765ASTZ

Analog Devices, Inc.

IC DAC 12BIT A-OUT 48LQFP

549

LTC2666HUH-12#PBF

LTC2666HUH-12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 32QFN

131

AD7543KNZ

AD7543KNZ

Analog Devices, Inc.

IC DAC 12BIT A-OUT 16DIP

22

MAX547ACQH

MAX547ACQH

Analog Devices, Inc.

DAC, 8 FUNC, PARALLEL, WORD INPU

1011

AD7839ASZ

AD7839ASZ

Analog Devices, Inc.

IC DAC 13BIT V-OUT 44MQFP

0

AD5695RBRUZ

AD5695RBRUZ

Analog Devices, Inc.

IC DAC 14BIT V-OUT 16TSSOP

22

AD5674RBCPZ-1-RL7

AD5674RBCPZ-1-RL7

Analog Devices, Inc.

16-CH12-BITNANODAC+WITH2PPM/CREF

0

MAX5383EUT

MAX5383EUT

Analog Devices, Inc.

8-BIT DAC WITH SERIAL INTERFACE

1500

AD5622WKSZ-1500RL7

AD5622WKSZ-1500RL7

Analog Devices, Inc.

IC DAC 12BIT V-OUT SC70-6

505

MX7520KN

MX7520KN

Analog Devices, Inc.

MX7520 10 BIT MULTIPLYING DAC

0

AD7524AQ

AD7524AQ

Analog Devices, Inc.

IC DAC 8BIT A-OUT 16CDIP

23

LTC1667CG#PBF

LTC1667CG#PBF

Analog Devices, Inc.

IC DAC 14BIT A-OUT 28SSOP

64

AD5310BRMZ-REEL7

AD5310BRMZ-REEL7

Analog Devices, Inc.

IC DAC 10BIT V-OUT 8MSOP

1333

LTC2637CDE-LMI10#PBF

LTC2637CDE-LMI10#PBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 14DFN

0

MAX5233EEE

MAX5233EEE

Analog Devices, Inc.

10-BIT, SERIAL V-OUT DUAL DAC

1698

AD9164BBCAZ

AD9164BBCAZ

Analog Devices, Inc.

IC DAC 16BIT A-OUT 169CSPBGA

70

AD7548JN/+

AD7548JN/+

Analog Devices, Inc.

DAC, PARALLEL, 8 BITS INPUT

14

LTC2754CUKG-12#PBF

LTC2754CUKG-12#PBF

Analog Devices, Inc.

IC DAC 12BIT A-OUT 52QFN

0

AD5570WRS

AD5570WRS

Analog Devices, Inc.

16-BIT SERIAL INPUT DAC

2156

LTC2655CGN-H12#TRPBF

LTC2655CGN-H12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 16SSOP

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.

RFQ BOM Call Skype Email
Top