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Data Acquisition - ADCs/DACs - Special Purpose

Image Part Number Description / PDF Quantity Rfq
AD7890BRZ-10

AD7890BRZ-10

Analog Devices, Inc.

ADC, PROPRIETARY METHOD, 12-BIT,

118
AD2S80ASD/883B

AD2S80ASD/883B

Analog Devices, Inc.

IC R/D CONV 10/12/14/16B 40SBDIP

0
AD9279BBCZ

AD9279BBCZ

Analog Devices, Inc.

IC AAF/ADC/LNA 12B 80M 144CSP

8
AD7609BSTZ-RL

AD7609BSTZ-RL

Analog Devices, Inc.

IC DAS/ADC 18BIT 200K 64LQFP

0
AD7891ASZ-2REEL

AD7891ASZ-2REEL

Analog Devices, Inc.

IC DAS 12BIT 500K 44MQFP

0
AD2S44UM11B

AD2S44UM11B

Analog Devices, Inc.

14-BIT, DUAL CH. R-D CONVERTER

0
LTC1291DCN8#PBF

LTC1291DCN8#PBF

Analog Devices, Inc.

IC DAS 12BIT 8DIP

110
AD1955ARSZ

AD1955ARSZ

Analog Devices, Inc.

IC DAC/AUDIO 24BIT 192K 28SSOP

0
AD7606TSTZ-EP

AD7606TSTZ-EP

Analog Devices, Inc.

IC DAS/ADC 16BIT 150K 64LQFP

0
AD1856RZ

AD1856RZ

Analog Devices, Inc.

IC DAC/AUDIO 16BIT 16SOIC

18
AD7724ASTZ

AD7724ASTZ

Analog Devices, Inc.

ADC, DELTA-SIGMA, 1-BIT, 2 CHANN

6046
MAX188BCWP

MAX188BCWP

Analog Devices, Inc.

8-CHANNEL, SERIAL 12-BIT ADCS

85
ADAQ23875BBCZ

ADAQ23875BBCZ

Analog Devices, Inc.

16BIT 15MSPS UM ONE I/P RANGE

256
ADAU1979WBCPZ-RL

ADAU1979WBCPZ-RL

Analog Devices, Inc.

IC ADC/AUDIO 24BIT 192K 40LFCSP

0
SDC1741-412

SDC1741-412

Analog Devices, Inc.

IC R/D CONVERTER 12BIT 32DIP

0
AD2S44SM10

AD2S44SM10

Analog Devices, Inc.

14-BIT, DUAL CH. R-D CONVERTER

126
AD7400YRWZ-REEL7

AD7400YRWZ-REEL7

Analog Devices, Inc.

IC MODULATOR 16BIT 10M 16SOIC

400
MAX192BCPP

MAX192BCPP

Analog Devices, Inc.

8-CHANNEL, SERIAL 10-BIT ADC

601
AD364RJD

AD364RJD

Analog Devices, Inc.

16-CHANNEL, 12-BIT DATA ACQUISIT

7
AD9278BBCZ

AD9278BBCZ

Analog Devices, Inc.

IC AAF/ADC/LNA 12B 50M 144CSP

90

Data Acquisition - ADCs/DACs - Special Purpose

1. Overview

Special Purpose Analog-to-Digital Converters (ADCs) and Digital-to-Analog Converters (DACs) are integrated circuits designed for specific data acquisition tasks requiring tailored performance characteristics. These ICs enable precise signal conversion in specialized applications where standard converters cannot meet unique requirements such as ultra-high speed, extreme accuracy, isolation, or environmental robustness. They are critical in advanced industrial control systems, medical instrumentation, aerospace electronics, and high-frequency communication systems.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
High-Speed ADCsSampling rates >1 GSPS, low latency, wide bandwidthRadar systems, 5G transceivers
High-Precision ADCs24-bit resolution, 2ppm linearity, low noiseMedical imaging, precision test equipment
Isolated ADCsGalvanic isolation up to 5kVRMS, CMTI >100kV/ sIndustrial motor drives, grid-tied inverters
Multi-Channel DACsSynchronized channels, crosstalk < -100dBAutomotive LiDAR beam steering
Radiation-Hardened ADCsLatch-up immunity, TID tolerance >100kradSatellite payloads, nuclear instrumentation

3. Structure and Components

Typical architecture includes:

  • Input conditioning stage (PGA, anti-aliasing filter)
  • Sampling-and-Hold circuit with <10ps jitter
  • Conversion core (SAR, Delta-Sigma, Pipeline architecture)
  • Digital interface (SPI, JESD204B, LVDS)
  • Calibration engine for offset/linearity correction
  • Thermal management structures (exposed pads, thermal vias)

4. Key Technical Specifications

ParameterDescriptionImportance
Effective Number of Bits (ENOB)Actual resolution considering noise/distortionSystem accuracy benchmark
Signal-to-Noise and Distortion (SINAD)Dynamic range measurementDetermines minimum detectable signal
Integral Nonlinearity (INL)Deviation from ideal transfer functionEssential for precision measurements
Power Supply Rejection Ratio (PSRR)Noise immunity from power railsSystem stability in varying conditions
Operating Temperature Range-55 C to +150 C for automotive/military gradesEnvironmental reliability

5. Application Fields

  • Industrial Automation: Programmable Logic Controllers (PLCs) with 16-channel analog inputs
  • Medical Imaging: MRI scanners requiring 24-bit ADCs with 10nV/ Hz noise density
  • Aerospace: Avionics data acquisition with radiation-hardened DACs
  • Test & Measurement: Oscilloscopes using 8GS/s ADCs for 2GHz bandwidth
  • Energy Systems: Grid monitoring devices with 0.01% accurate voltage measurement

6. Leading Manufacturers and Products

ManufacturerProduct SeriesKey Specifications
Analog DevicesAD7124-824-bit - ADC, 0.001% linearity, TUE <0.1%
TI SemiconductorADS54J6016-bit, 1GSPS ADC with 74dB SNR
Maxim IntegratedMAX1115616-channel, 18-bit SAR ADC, 0.1LSB INL
STMicroelectronicsLTC2380-2424-bit, 2Msps ADC with 2ppm INL
NXP SemiconductorsMC12DX10808-channel DAC with 12.5ps jitter for LiDAR

7. Selection Guidelines

Key selection criteria:

  1. Match sampling rate and bandwidth to signal requirements
  2. Verify temperature stability and long-term drift specifications
  3. Consider digital interface compatibility (e.g. JESD204C for high-speed links)
  4. Evaluate power consumption vs. performance trade-offs
  5. Example: For vibration analysis in jet engines, select ADC with 200dB dynamic range and -55 C to +125 C rating

Industry Trends

Emerging trends include:

  • 3D-stacked ICs integrating ADCs with AI acceleration cores
  • Time-interleaved ADCs breaking 10 GSPS barriers
  • Self-calibrating DACs with embedded temperature sensors
  • Photonics-enabled converters for THz-range sampling
  • Energy-harvesting optimized ADCs with sub- W operation modes

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