Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
LTC2656CFE-H12#PBF

LTC2656CFE-H12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 20TSSOP

0

LTC1588CG#PBF

LTC1588CG#PBF

Analog Devices, Inc.

IC DAC 12BIT A-OUT 16SSOP

0

LTC2630HSC6-HM8#TRMPBF

LTC2630HSC6-HM8#TRMPBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT SC70-6

301

MAX550BCPA

MAX550BCPA

Analog Devices, Inc.

SINGLE 8-BIT V-OUT DAC

0

AD5410ACPZ-REEL7

AD5410ACPZ-REEL7

Analog Devices, Inc.

IC DAC 12BIT A-OUT 40LFCSP

1266

MAX536ACPE

MAX536ACPE

Analog Devices, Inc.

QUAD, 12-BIT VOLTAGE-OUT DAC

0

LTC2630HSC6-HM10#TRMPBF

LTC2630HSC6-HM10#TRMPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT SC70-6

0

MX7225LN

MX7225LN

Analog Devices, Inc.

MX7225 CMOS QUAD 8-BIT DAC

282

LTC2636IMS-LMX12#TRPBF

LTC2636IMS-LMX12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 16MSOP

0

AD5313BRU-REEL

AD5313BRU-REEL

Analog Devices, Inc.

230UA, DUAL R-R 10-BIT DAC

3819

ADDAC87CBI-I/883B

ADDAC87CBI-I/883B

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

73

LTC2635CMSE-LMO12#PBF

LTC2635CMSE-LMO12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 10MSOP

11

AD7846APZ

AD7846APZ

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

527

LTC2634IUD-LMI8#PBF

LTC2634IUD-LMI8#PBF

Analog Devices, Inc.

8-BIT SPI QUAD DAC (2.5V REF, RE

306

AD7541AKP

AD7541AKP

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

13192

AD5044BRUZ-REEL7

AD5044BRUZ-REEL7

Analog Devices, Inc.

IC DAC 14BIT V-OUT 16TSSOP

0

DAC16GSZ

DAC16GSZ

Analog Devices, Inc.

16-BIT CURRENT-OUTPUT DAC

626

ADDAC80-CBI-I

ADDAC80-CBI-I

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

272

MAX5443BEUA

MAX5443BEUA

Analog Devices, Inc.

SERIAL, VOLTAGE-OUT, 16-BIT DAC

101

LTC2636IMS-HMI10#TRPBF

LTC2636IMS-HMI10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 16MSOP

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.

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