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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Marketplace | Tube
Number of Bits 12
Sampling Rate (Per Second) 40k
Number of Inputs 1
Input Type Single Ended
Data Interface SPI, Parallel
Configuration S/H-ADC
Ratio - S/H:ADC 1:1
Number of A/D Converters 1
Architecture SAR
Reference Type External, Internal
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 5V
Features -
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 28-SOIC (0.295", 7.50mm Width)
Supplier Device Package 28-SOIC
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ADS7806UB is a 12-bit, single-channel analog-to-digital converter from Texas Instruments, featuring a sample-and-hold architecture. It offers a sampling rate of 40 kSPS and supports both SPI and parallel interfaces, providing flexibility for a wide range of microcontroller-based systems. With external or internal reference options, this ADC can be tailored to different voltage ranges. It operates over an industrial temperature range of -40°C to 85°C and is available in a 28-pin SOIC package. Typical applications include battery monitoring, portable instrumentation, and industrial control.

  • Dual Interface Support: SPI and parallel options allow easy connection to both legacy and modern digital systems.
  • Sample-and-Hold Architecture: Ensures accurate conversion of varying analog signals by freezing the input during conversion.
  • Flexible Reference: External or internal reference selection enables optimization for different input voltage ranges.
  • Compact SOIC Package: Saves board space in space-constrained designs while maintaining robust performance.

Battery Management Systems

The 12-bit resolution and 40 kSPS sampling rate of the ADS7806UB are well-suited for monitoring battery voltage and current in energy storage systems, providing adequate accuracy for state-of-charge estimation.

Portable Instrumentation

With its low pin count SOIC package and SPI interface, the ADS7806UB is ideal for compact, battery-powered multimeters and data loggers.

Industrial Process Control

In PLC analog input modules, the ADS7806UB converts 4-20 mA loop signals with sufficient speed and resolution for real-time process monitoring.

Environmental Monitoring

The wide temperature range and reliable performance make this ADC suitable for weather stations and air quality sensors that require continuous data acquisition.

Automotive Sensor Interfaces

The ADS7806UB can digitize temperature and pressure sensor outputs in automotive test systems, where the -40°C to 85°C range covers typical operating conditions.

Q: What is the ADS7806UB?
A: It is a 12-bit, single-channel analog-to-digital converter (ADC) with a sample-and-hold (S/H) architecture from Texas Instruments.
Q: What is the sampling rate of the ADS7806UB?
A: It supports a sampling rate of 40 kSPS (kilo samples per second), suitable for low-to-medium speed applications.
Q: How many channels does the ADS7806UB have?
A: It has 1 input channel, making it a single-ended ADC for dedicated signal conversion.
Q: What interfaces are supported?
A: It supports both SPI and Parallel interfaces, offering design flexibility for various host systems.
Q: What is the operating temperature range?
A: The ADS7806UB operates over an industrial temperature range of -40°C to 85°C.
Q: What package is it available in?
A: It comes in a 28-pin SOIC (0.295", 7.50mm Width) surface-mount package.
Base Product Number : ADS7806
12-bit 40 kSPS ADC ADS7806UB Analog-to-Digital Converter Parallel SOIC SPI Texas Instruments
Q: What is the ADS7806UB?
A: It is a 12-bit, single-channel analog-to-digital converter (ADC) with a sample-and-hold (S/H) architecture from Texas Instruments.
Q: What is the sampling rate of the ADS7806UB?
A: It supports a sampling rate of 40 kSPS (kilo samples per second), suitable for low-to-medium speed applications.
Q: How many channels does the ADS7806UB have?
A: It has 1 input channel, making it a single-ended ADC for dedicated signal conversion.
Q: What interfaces are supported?
A: It supports both SPI and Parallel interfaces, offering design flexibility for various host systems.
Q: What is the operating temperature range?
A: The ADS7806UB operates over an industrial temperature range of -40°C to 85°C.
Q: What package is it available in?
A: It comes in a 28-pin SOIC (0.295", 7.50mm Width) surface-mount package.