Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
LTC2633ACTS8-LX12#TRPBF

LTC2633ACTS8-LX12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

0

DAC712UKG4

DAC712UKG4

Texas Instruments

IC DAC 16BIT V-OUT 28SOIC

0

AD7247JR

AD7247JR

Analog Devices, Inc.

DAC, 2 CH, PARALLEL, WORD INPUT

252

ISL5961IAZ

ISL5961IAZ

Intersil (Renesas Electronics America)

IC DAC 14BIT A-OUT 28TSSOP

0

MAX5190BEEG

MAX5190BEEG

Analog Devices, Inc.

MAX5190 8-BIT, VOLTAGE-OUT DAC

0

MAX520ACAP+T

MAX520ACAP+T

Maxim Integrated

IC DAC 8BIT V-OUT 20SSOP

0

LTC2634CUD-LMX10#TRPBF

LTC2634CUD-LMX10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 16QFN

0

DAC7611P

DAC7611P

Texas Instruments

IC DAC 12BIT V-OUT 8DIP

366

LTC2630AISC6-LM12#TRPBF

LTC2630AISC6-LM12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT SC70-6

0

MCP48CMB12-E/MG

MCP48CMB12-E/MG

Roving Networks / Microchip Technology

IC DAC 10BIT 16QFN

0

MAX5811MEUT+T

MAX5811MEUT+T

Maxim Integrated

IC DAC 10BIT V-OUT SOT23-6

5000

LTC2640HTS8-HM8#TRMPBF

LTC2640HTS8-HM8#TRMPBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT TSOT23-8

0

LTC2610IGN#TRPBF

LTC2610IGN#TRPBF

Analog Devices, Inc.

IC DAC 14BIT V-OUT 16SSOP

0

MAX521AEWG+

MAX521AEWG+

Maxim Integrated

IC DAC 8BIT V-OUT 24SOIC

150

DAC7731E

DAC7731E

Texas Instruments

IC DAC 16BIT V-OUT 24SSOP

129

MAX5548ETE+

MAX5548ETE+

Maxim Integrated

IC DAC 8BIT A-OUT 16TQFN

3

AD7835ASZ

AD7835ASZ

Analog Devices, Inc.

IC DAC 14BIT V-OUT 44MQFP

129

AD9102BCPZRL7

AD9102BCPZRL7

Analog Devices, Inc.

IC DAC 14BIT A-OUT 32LFCSP

0

MX7548JCWP

MX7548JCWP

Analog Devices, Inc.

8-BIT MPU COMPATIBLE 12-BIT DAC

0

TLV5614MPWREP

TLV5614MPWREP

Texas Instruments

IC DAC 12BIT V-OUT 16TSSOP

2366

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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