Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
LTC2627CDE#TRPBF

LTC2627CDE#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 12DFN

0

AD9744ARRL

AD9744ARRL

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

0

LTC2640ACTS8-HZ12#TRPBF

LTC2640ACTS8-HZ12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT TSOT23-8

0

LTC2624IGN#TRPBF

LTC2624IGN#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 16SSOP

0

AD7533JPZ-REEL

AD7533JPZ-REEL

Analog Devices, Inc.

2 CHANNEL DAC, PARALLEL

4290

AD7243ARZ-REEL

AD7243ARZ-REEL

Analog Devices, Inc.

IC DAC 12BIT V-OUT 16SOIC

1149

MAX542AEPD+

MAX542AEPD+

Analog Devices, Inc.

MAX542 +5V, SERIAL-INPUT, VOLTAG

871

AD7225LRZ

AD7225LRZ

Analog Devices, Inc.

IC DAC 8BIT V-OUT 24SOIC

10

PM7224EP

PM7224EP

Analog Devices, Inc.

8-BIT DAC WITH VOLTAGE OUTPUT

61

AD5322BRMZ-REEL7

AD5322BRMZ-REEL7

Analog Devices, Inc.

IC DAC 12BIT V-OUT 10MSOP

882

AD568KQ

AD568KQ

Analog Devices, Inc.

DAC, 1 FUNC, PARALLEL, WORD INPU

525

MAX5812MEUT#G16

MAX5812MEUT#G16

Analog Devices, Inc.

12-BIT 2-WIRE, SERIAL V-OUT DAC

3251

MAX5150BCPE

MAX5150BCPE

Analog Devices, Inc.

DUAL, 13-BIT VOLTAGE-OUT DAC

32

LTC1654CGN#TRPBF

LTC1654CGN#TRPBF

Analog Devices, Inc.

IC DAC 14BIT V-OUT 16SSOP

0

AD5341BRU

AD5341BRU

Analog Devices, Inc.

PARALLEL V-OUT 12-BIT DAC

9042

MAX5384EZT-T

MAX5384EZT-T

Analog Devices, Inc.

8-BIT DAC WITH SERIAL INTERFACE

2500

LTC2637HMS-HZ12#TRPBF

LTC2637HMS-HZ12#TRPBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 16MSOP

0

LTC2634CUD-LMX10#PBF

LTC2634CUD-LMX10#PBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 16QFN

0

AD9702BD

AD9702BD

Analog Devices, Inc.

3-CH DAC, PARALLEL, 4 BITS INPUT

0

MX7528CQ

MX7528CQ

Analog Devices, Inc.

2X 8-BIT BUFFERED MULT DAC

2274

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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