The ADS7844NBG4 is a high-performance, 12-bit successive approximation register (SAR) analog-to-digital converter (ADC) designed for precision data acquisition applications. Manufactured by Texas Instruments, this IC offers a robust combination of features that make it suitable for a wide range of industrial and embedded systems. The ADS7844NBG4 supports both differential and single-ended input types, providing flexibility for various signal conditioning requirements. It features a sampling rate of 200,000 samples per second (200k SPS), ensuring high-speed data acquisition without compromising accuracy.
The device operates with a supply voltage range of 2.7V to 3.6V for both analog and digital supplies, with an additional option for a 5V supply. This wide voltage range enhances its compatibility with different power supply architectures. The ADS7844NBG4 is housed in a surface-mount 20-lead small outline package (SSOP), making it suitable for compact and space-constrained designs.
ADS7844NBG4 Features
High Resolution and Accuracy: The 12-bit resolution of the ADS7844NBG4 ensures precise conversion of analog signals to digital data, making it ideal for applications requiring high accuracy.
Fast Sampling Rate: With a sampling rate of 200k SPS, the ADS7844NBG4 can quickly capture and process data, making it suitable for real-time monitoring and control systems.
Flexible Input Options: The device supports both differential and single-ended inputs, providing versatility in signal acquisition and allowing for noise reduction in noisy environments.
Wide Supply Voltage Range: The ability to operate with supply voltages ranging from 2.7V to 3.6V, and an option for 5V, ensures compatibility with various power supply configurations.
SPI Data Interface: The ADS7844NBG4 uses the SPI interface for data communication, which is widely used in embedded systems and microcontroller applications, ensuring easy integration.
External Reference: The use of an external reference allows for precise calibration and ensures high accuracy in the conversion process.
Compliance and Reliability: The ADS7844NBG4 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. Additionally, its moisture sensitivity level (MSL) of 2 (1 year) ensures reliability in various environmental conditions.
ADS7844NBG4 Applications
The ADS7844NBG4 is well-suited for a variety of applications due to its high performance and flexibility. Some specific use cases include:
Industrial Automation: The high sampling rate and precision make it ideal for monitoring and controlling industrial processes, such as temperature, pressure, and flow rate measurements.
Medical Equipment: The device's accuracy and reliability are crucial for medical applications, such as patient monitoring systems and diagnostic equipment.
Automotive Systems: The ADS7844NBG4 can be used in automotive applications for sensor data acquisition, such as engine management systems and vehicle diagnostics.
Consumer Electronics: In consumer electronics, the ADS7844NBG4 can be used for high-precision sensor interfacing, such as in smart home devices and wearable technology.
Conclusion of ADS7844NBG4
The ADS7844NBG4 from Texas Instruments is a versatile and high-performance ADC that offers a balance of speed, accuracy, and flexibility. Its wide supply voltage range, support for both differential and single-ended inputs, and fast sampling rate make it suitable for a wide range of applications. The device's compliance with environmental and safety standards ensures its reliability and suitability for modern electronic designs. Whether used in industrial automation, medical equipment, automotive systems, or consumer electronics, the ADS7844NBG4 provides a reliable and efficient solution for precision data acquisition.
Tech Specifications
Configuration
Data Interface
Polarity of Input Voltage
PPAP
Voltage - Supply, Analog
Product Status
Automotive
Supplier Package
Package / Case
Signal to Noise Ratio
REACH Status
Number of Inputs
Number of Bits
EU RoHS
Sampling Rate (Per Second)
Moisture Sensitivity Level (MSL)
Operating Temperature
Full Scale Error
Architecture
Converter Type
Digital Interface Type
ECCN
Input Voltage
Mounting Type
Standard Package Name
No Missing Codes (bit)
Reference Type
Pin Count
Mounting
Number of Input Channels
Input Signal Type
Lead Shape
HTSUS
Package
Resolution
Number of A/D Converters
PCB changed
ECCN (US)
Maximum Power Dissipation (mW)
Voltage Supply Source
Supplier Device Package
Single-Ended Input
Minimum Operating Temperature (°C)
Maximum Operating Temperature (°C)
Ratio - S/H:ADC
Package Height
Mfr
Sampling Rate
Integral Nonlinearity Error
Features
RoHS Status
Input Type
Voltage - Supply, Digital
Number of ADCs
Sample and Hold
Package Length
Series
Part Status
Package Width
Voltage Reference
Base Product Number
Unit Weight
Analog Supply Voltage
RoHS
Supply Voltage - Min
Number of Channels
Height
Maximum Operating Temperature
INL - Integral Nonlinearity
Supply Voltage - Max
Width
Interface Type
Mounting Style
DNL - Differential Nonlinearity
SINAD - Signal to Noise and Distortion Ratio
Minimum Operating Temperature
Digital Supply Voltage
Number of Converters
Moisture Sensitive
Length
Operating Supply Voltage
Power Consumption
Pd - Power Dissipation
USHTS
ADS7844NBG4 Documents
Download datasheets and manufacturer documentation for ADS7844NBG4
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