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Data Acquisition - ADCs/DACs - Special Purpose

Image Part Number Description / PDF Quantity Rfq
CS5361-KZZR

CS5361-KZZR

Cirrus Logic

IC ADC/AUDIO 24BIT 192K 24TSSOP

0
WM8742GEDS/V

WM8742GEDS/V

Cirrus Logic

IC DAC/AUDIO 24BIT 192K 28SSOP

189
CS4364-CQZR

CS4364-CQZR

Cirrus Logic

IC DAC/AUDIO 24BIT 216K 48LQFP

0
WM8781GEDS/V

WM8781GEDS/V

Cirrus Logic

IC STEREO DAC

22654
WM8782ASEDS/V

WM8782ASEDS/V

Cirrus Logic

IC ADC/AUDIO 24BIT 192K 20SSOP

0
CS4351-CZZ

CS4351-CZZ

Cirrus Logic

STEREO DAC FOR AUDIO

0
CS5371-BS

CS5371-BS

Cirrus Logic

DELTA SIGMA MODULATOR

1423
CS5341-CZZR

CS5341-CZZR

Cirrus Logic

CS5341 - 105 DB, 192 KHZ, MULTI-

0
CS4364-CQZ

CS4364-CQZ

Cirrus Logic

IC DAC/AUDIO 24BIT 216K 48LQFP

196
WM8740SEDS/V

WM8740SEDS/V

Cirrus Logic

IC DAC/AUDIO 24BIT 192K 28SSOP

0
CS5346-CQZR

CS5346-CQZR

Cirrus Logic

IC ADC/AUDIO 24BIT 192K 48LQFP

0
CS5344-CZZR

CS5344-CZZR

Cirrus Logic

IC ADC/AUDIO 24BIT 96K 10TSSOP

0
CS4345-DZZR

CS4345-DZZR

Cirrus Logic

IC DAC/AUDIO 24BIT 192K 10TSSOP

0
CS4365-DQZ

CS4365-DQZ

Cirrus Logic

IC DAC/AUDIO 24BIT 216K 48LQFP

230
WM8737CLGEFL/R

WM8737CLGEFL/R

Cirrus Logic

IC ADC/AUDIO 24BIT 96K 32QFN

0
CS4345-CZZ

CS4345-CZZ

Cirrus Logic

IC DAC/AUDIO 24BIT 192K 10TSSOP

1094
CS4361-CZZR

CS4361-CZZR

Cirrus Logic

IC DAC/AUDIO 24BIT 192K 20TSSOP

0
CS4360-KZZ

CS4360-KZZ

Cirrus Logic

IC 102DB 24BIT 192KHZ 6 CHN DAC

7938
CS5368-DQZ

CS5368-DQZ

Cirrus Logic

IC ADC/AUDIO 24BIT 192K 48LQFP

0
WM8955LSEFL

WM8955LSEFL

Cirrus Logic

STEREO DAC FOR AUDIO

1410

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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