Manufacturer Part Number
ADS7822UB
Manufacturer
Texas Instruments
Introduction
High-performance 12-bit analog-to-digital converter
Product Features and Performance
12-bit resolution
Sampling rate up to 200k samples per second
Single pseudo-differential input
Serial Peripheral Interface (SPI) data output
Sample-and-Hold ADC configuration
Successive Approximation Register (SAR) architecture
Operable on both 2.7V ~ 3.6V and 5V supply for analog and digital parts
Product Advantages
Low power consumption for battery-powered applications
High-speed data acquisition
Precision data conversion
Flexible voltage requirements
Key Technical Parameters
Number of Bits: 12
Sampling Rate: 200kSPS
Number of Inputs: 1
Input Type: Pseudo-Differential
Data Interface: SPI
Configuration: S/H-ADC
Ratio - S/H:ADC: 1:1
Number of A/D Converters: 1
Architecture: SAR
Reference Type: External
Voltage - Supply, Analog: 2.7V ~ 3.6V, 5V
Voltage - Supply, Digital: 2.7V ~ 3.6V, 5V
Quality and Safety Features
Operational temperature range from -40°C to 85°C
Compatibility
Standard SPI interface compatible with many microcontrollers and digital systems
Application Areas
Portable instrumentation
Medical devices
Data acquisition systems
Industrial control
Battery-powered devices
Product Lifecycle
Active product not nearing discontinuation
Availability of replacements or upgrades if necessary
Several Key Reasons to Choose This Product
Precision analog-to-digital conversion capabilities
High-speed sampling facilitating real-time applications
Low power microPOWER™ series ideal for portable equipment
Wide range of operating temperatures suited for harsh environments
Easy integration with existing digital systems through SPI
Operational on dual supply voltages for system flexibility
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