Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
MX7549KP

MX7549KP

Analog Devices, Inc.

DUAL 12-BIT MPU COMPATABLE DAC

584

HDS-1250ATM

HDS-1250ATM

Analog Devices, Inc.

IC DAC 12BIT A-OUT 24DIP

0

AD5542ABRUZ

AD5542ABRUZ

Analog Devices, Inc.

IC DAC 16BIT V-OUT 16TSSOP

617

MAX526DCWG+

MAX526DCWG+

Analog Devices, Inc.

CALIBRATED, QUAD, VOLTAGE-OUTPUT

0

LTC2640HTS8-LZ8#TRMPBF

LTC2640HTS8-LZ8#TRMPBF

Analog Devices, Inc.

SINGLE 8-BIT SPI VOUT DAC WITH B

500

HI5660IB

HI5660IB

Intersil (Renesas Electronics America)

8-BIT, 125 MSPS, HIGH SPEED DAC

179

AD5761RACPZ-RL7

AD5761RACPZ-RL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT 16LFCSP

1538

AD7543KN/+

AD7543KN/+

Analog Devices, Inc.

DAC, SERIAL INPUT LOADING

251

AD5433YCP-REEL7

AD5433YCP-REEL7

Analog Devices, Inc.

10-BIT, MULTIPLYING DAC

2700

AD7528BN

AD7528BN

Texas Instruments

DAC, PARALLEL, 8 BITS

215

LTC2633HTS8-LI10#TRMPBF

LTC2633HTS8-LI10#TRMPBF

Analog Devices, Inc.

D/A CONVERTER, SERIAL INPUT LOAD

1500

AD569JPZ

AD569JPZ

Analog Devices, Inc.

IC DAC 16BIT V-OUT 28PLCC

37

TLV5618AQDG4

TLV5618AQDG4

Texas Instruments

TLV5618A 12-BIT, 2.5 US DUAL DAC

17638

LTC2641ACDD-16#TRPBF

LTC2641ACDD-16#TRPBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 8DFN

0

AD5333BRU

AD5333BRU

Analog Devices, Inc.

DUAL V-OUTPUT 10-BIT DAC

474

AD9748ACP

AD9748ACP

Analog Devices, Inc.

DAC, PARALLEL, 8 BITS INPUT

8651

MAX549AEUA+

MAX549AEUA+

Maxim Integrated

IC DAC 8BIT V-OUT 8UMAX

2112250

PM7545FPC

PM7545FPC

Analog Devices, Inc.

12-BIT BUFFERED MILTIPLYING DAC

0

LTC2635CUD-LMX10#TRPBF

LTC2635CUD-LMX10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 16QFN

0

5962-8967802XA

5962-8967802XA

Analog Devices, Inc.

QUAD 8-BIT DAC (DAC8408BT)

303

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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