Data Acquisition - Analog to Digital Converters (ADC)

Part Number	Description / PDF	Quantity
TLC0832CP Texas Instruments	TLC0832 8-BIT, 22 KSPS ADC SERIA	13832
ADS7828EIPWRQ1 Texas Instruments	IC ADC 12BIT SAR 16TSSOP	1460
THS10064CDAR Texas Instruments	IC ADC 10BIT PIPELINED 32TSSOP	0
ADS61B23IRHBT Texas Instruments	ADS61B23 12-BIT, 80-MSPS ANALOG-	4250
ADS5231IPAGT Texas Instruments	IC ADC 12BIT PIPELINED 64TQFP	0
THS1207CDAR Texas Instruments	4-CH, 12-BIT ADC, PROP METHOD	14000
ADS1247IPWR Texas Instruments	IC ADC 24BIT SIGMA-DELTA 20TSSOP	1953
ADS4142IRGZT Texas Instruments	IC ADC 14BIT PIPELINED 48VQFN	208
ADS1000A0IDBVT Texas Instruments	IC ADC 12BIT SIGMA-DELTA SOT23-6	131110000
TLC3574IDW Texas Instruments	IC ADC 14BIT SAR 20SOIC	25
ADS114S08BIPBSR Texas Instruments	IC ADC 16BIT SIGMA-DELTA 32TQFP	135
ADS1100A2IDBVT Texas Instruments	IC ADC 16BIT SIGMA-DELTA SOT23-6	336
TLV2544IPWR Texas Instruments	TLV2544 12-BIT 200 KSPS ADC SER	1355
ADS6442IRGCT Texas Instruments	IC ADC 14BIT PIPELINED 64VQFN	198
ADC08832IM/NOPB Texas Instruments	IC ADC 8BIT SAR 8SOIC	260
TLV2548CPWR Texas Instruments	IC ADC 12BIT SAR 20TSSOP	0
ADS5402IZAY Texas Instruments	ADC, PROPRIETARY METHOD, 12-BIT,	155
ADS4226IRGCT Texas Instruments	IC ADC 12BIT PIPELINED 64VQFN	251
THS0842IPFB Texas Instruments	THS0842 DUAL-CHANNEL, 8-BIT, 40-	250
ADC16V130CISQX/NOPB Texas Instruments	IC ADC 16BIT PIPELINED 64WQFN	0

Data Acquisition - Analog to Digital Converters (ADC)

1. Overview

Analog-to-Digital Converters (ADCs) are semiconductor devices that convert continuous analog signals into discrete digital values. This core functionality enables digital systems to process real-world signals such as temperature, pressure, audio, and sensor data. ADCs are fundamental components in modern electronics, serving critical roles in communication systems, medical equipment, industrial automation, and consumer electronics. Their performance directly impacts system accuracy, speed, and overall efficiency.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Successive Approximation ADC	Medium-speed, high accuracy, moderate power consumption	Industrial control systems, precision measurement
Integrating ADC	High noise rejection, low speed, excellent linearity	Digital multimeters, weigh scales
Pipeline ADC	High-speed operation with moderate resolution	Wireless communication base stations, video processing
Delta-Sigma ( ) ADC	High resolution, low noise, oversampling architecture	Audio processing, precision sensor interfaces
Flash ADC	Extremely high-speed conversion, limited resolution	Radar systems, high-speed oscilloscopes

3. Structure and Components

Typical ADC architecture includes: - Sample-and-Hold Circuit: Captures and stabilizes input signal - Quantizer: Maps analog values to discrete levels - Encoder: Converts quantized values to binary code - Reference Voltage Circuit: Provides stable voltage Modern ADCs integrate additional components like programmable gain amplifiers and digital filters. Fabricated using CMOS or BiCMOS processes, they come in packages like QFP, TSSOP, and BGA with pin counts ranging from 8 to 256.

4. Key Technical Specifications

Parameter	Description	Importance
Resolution	Number of digital output bits	Determines measurement precision
Sampling Rate	Maximum conversion speed (SPS)	Defines signal bandwidth capability
Signal-to-Noise Ratio (SNR)	Dynamic range measurement	Impacts signal fidelity
Integral Nonlinearity (INL)	Deviation from ideal transfer function	Critical for measurement accuracy
Power Consumption	Operating current/voltage requirements	Affects system efficiency and thermal design

5. Application Fields

Telecommunications: 5G base stations, optical transceivers
Medical Equipment: MRI scanners, patient monitoring systems
Industrial Automation: PLC systems, precision sensors
Consumer Electronics: Smartphones, wearables
Automotive: LiDAR systems, battery management

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Specifications
TI (Texas Instruments)	ADS9283	24-bit ADC, 2MSPS, 2LSB INL
Analog Devices	AD7621	16-bit SAR ADC, 3MSPS, 85dB SNR
Maxim Integrated	MAX11905	16-bit pipeline ADC, 125MSPS
STMicroelectronics	LTC2389-18	18-bit SAR ADC, 1MSPS, rail-to-rail input

7. Selection Guidelines

Key considerations include: - Application Requirements: Match resolution/speed to system needs - Environmental Conditions: Temperature range, vibration resistance - Cost Constraints: Balance performance with budget - Supply Chain: Availability, package compatibility - Support Features: Required interfaces (SPI, I2C), calibration capabilities

8. Industry Trends

Emerging trends include: - Development of 32-bit ADCs for precision applications - Integration with AI acceleration for edge computing - Energy-efficient designs for IoT devices - High-temperature ADCs for automotive applications - Advanced packaging technologies (3D stacking) - Software-defined radio ADCs with tunable bandwidth