Manufacturer Part Number
ADS7844NB/1K
Manufacturer
Texas Instruments
Introduction
High-precision, low-power 12-bit analog-to-digital converter with SPI interface.
Product Features and Performance
12-bit resolution
200k samples per second
4/8 channel multiplexed inputs
Differential and single-ended input capability
SPI data interface
MUX-S/H-ADC configuration
Single SAR A/D converter architecture
External voltage reference
Wide supply voltage range: Analog 2.7V to 5V, Digital 2.7V to 5V
Product Advantages
High throughput with 200k samples per second
Flexibility with multiplexed 4 or 8 input channels
Compatible with various microcontrollers via SPI interface
Good performance with SAR architecture
Operational across a wide temperature range: -40°C to 85°C
Key Technical Parameters
Number of Bits: 12
Sampling Rate: 200kSPS
Number of Inputs: 4, 8
Input Type: Differential, Single Ended
Architecture: SAR
Voltage Supply Analog: 2.7V to 3.6V, 5V
Voltage Supply Digital: 2.7V to 3.6V, 5V
Quality and Safety Features
Robust temperature range for reliable operation: -40°C to 85°C
Built to high Texas Instruments standards
Compatibility
Compatible with SPI protocol communication interfaces
Application Areas
Data acquisition systems
Sensor interfacing
Industrial control systems
Medical equipment
Instrumentation
Product Lifecycle
Active product status, not nearing discontinuation
Availability of replacements or upgrades not specified
Several Key Reasons to Choose This Product
Precision 12-bit resolution for accurate data conversion
High sampling rate suitable for rapid signal acquisition
Versatile input configuration supports multiple signal types
Direct digital interface with SPI for easy integration
Operates on both 2.7V to 3.6V and 5V supplies, offering flexibility in design
Durable and reliable for wide temperature range applications