Data Acquisition - Digital to Analog Converters (DAC)

Image Part Number Description / PDF Quantity Rfq
LTC2704CGW-12#PBF

LTC2704CGW-12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 44SSOP

13

LTC2640ITS8-LM10#TRPBF

LTC2640ITS8-LM10#TRPBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT TSOT23-8

0

DAC8408AT/883C

DAC8408AT/883C

Analog Devices, Inc.

QUAD 8-BIT MULTIPLYING DAC

1086

AD5663RBRMZ-3REEL7

AD5663RBRMZ-3REEL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT 10MSOP

1098

LTC2656CIFE-L16#TRPBF

LTC2656CIFE-L16#TRPBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 20TSSOP

0

AD7226BRS-REEL

AD7226BRS-REEL

Analog Devices, Inc.

DAC, PARALLEL, 8 BITS INPUT

7500

AD667KP-REEL

AD667KP-REEL

Analog Devices, Inc.

DAC, PARALLEL, WORD INPUT

4045

MAX5253BCAP

MAX5253BCAP

Analog Devices, Inc.

QUAD, 12-BIT VOLTAGE-OUT DAC

0

MAX520BEWE+

MAX520BEWE+

Analog Devices, Inc.

MAX520 QUAD, 2-WIRE SERIAL 8-BIT

393

LTC2632CTS8-LI8#TRPBF

LTC2632CTS8-LI8#TRPBF

Analog Devices, Inc.

IC DAC 8BIT V-OUT TSOT23-8

0

AD7225LP

AD7225LP

Analog Devices, Inc.

DAC, PARALLEL, 8 BITS INPUT

14468

LTC2634IUD-LZ10#PBF

LTC2634IUD-LZ10#PBF

Analog Devices, Inc.

IC DAC 10BIT V-OUT 16QFN

0

AD7543KRZ

AD7543KRZ

Analog Devices, Inc.

SERIAL INPUT LOADING, 12 BIT DAC

102

AD5421BREZ-REEL7

AD5421BREZ-REEL7

Analog Devices, Inc.

IC DAC 16BIT V-OUT 28TSSOP

9

AD5546CRUZ-REEL7

AD5546CRUZ-REEL7

Analog Devices, Inc.

IC DAC 16BIT A-OUT 28TSSOP

0

LTC2637IMS-HZ12#PBF

LTC2637IMS-HZ12#PBF

Analog Devices, Inc.

IC DAC 12BIT V-OUT 16MSOP

33

MAX5583EUP+

MAX5583EUP+

Analog Devices, Inc.

DAC, 1 FUNC, SERIAL INPUT LOADIN

296

AD7840JPZ

AD7840JPZ

Analog Devices, Inc.

IC DAC 14BIT V-OUT 28PLCC

773

LTC2642AIDD-16#PBF

LTC2642AIDD-16#PBF

Analog Devices, Inc.

IC DAC 16BIT V-OUT 10DFN

47

LTC2637HMS-LZ8#PBF

LTC2637HMS-LZ8#PBF

Analog Devices, Inc.

IC DAC 8BIT 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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