Allicdata Part #: | 296-10739-ND |
Manufacturer Part#: |
TLV990-28PFB |
Price: | $ 5.62 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC 3V 10-BIT FRONT END 48-TQFP |
More Detail: | 1 Channel AFE 10 Bit 150mW 48-TQFP (7x7) |
DataSheet: | TLV990-28PFB Datasheet/PDF |
Quantity: | 1000 |
250 +: | $ 5.10905 |
Series: | -- |
Packaging: | Tray |
Part Status: | Active |
Number of Bits: | 10 |
Number of Channels: | 1 |
Power (Watts): | 150mW |
Voltage - Supply, Analog: | 2.7 V ~ 3.3 V |
Voltage - Supply, Digital: | 2.7 V ~ 3.3 V |
Package / Case: | 48-TQFP |
Supplier Device Package: | 48-TQFP (7x7) |
Base Part Number: | TLV990-28 |
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The TLV990-28PFB is a 28-bit Delta-Sigma Analog-to-Digital Converter (ADC) module in the form of an Integrated Circuit (IC). It is part of Texas Instruments\' Data Acquisition (DAQ) system. The module contains an Input Buffer, Digital Filters, an Analog-to-Digital Converter, and a Reference Buffer, thus providing high performance and accurate data acquisition. It has been designed for a wide range of applications, including medical instruments, industrial automation, communication systems, and instrumentation.
The TLV990-28PFB can be used as an Analog Front End (AFE) for data acquisition systems, as the module provides a high level of dynamic range, low power consumption, and high resolution for analog input signals. The AFE has a low power consumption of just 0.5 mA/channel and its wide range of input signals makes it suitable for a variety of applications. It includes several features that provide better performance over other available ADC modules. These features include a fast track-and-hold time, an accurate reference voltage, configurable output update rate, an adjustable clock frequency, and support for multiple signal channel configurations.
The TLV990-28PFB utilizes delta-sigma modulation to convert an analog signal into a digital signal. This process requires an integrator, which is the analog part of the module. The integrator is made up of a series of resistors and capacitors, which act together to create an overall resistance. The capacitor is used to store energy and the resistors to provide stability to the circuit. The signal is then passed through a digital filter, which eliminates unwanted noise from the signal.
The digital filter also incorporates an analog-to-digital converter, which is used to convert the analog signal into a digital signal. The converter works by sampling the analog signal at regular intervals with an adjustable clock frequency. The digital filter then uses this data to reconstruct the analog signal, removing unwanted noise and converting it into a discrete digital value.
Finally, the TLV990-28PFB has a reference buffer, which is used to store and maintain the reference level of the converted digital signal. The reference buffer is designed to improve accuracy, as the reference voltage is maintained despite variations in input voltage. This ensures that the digital output remains consistent, even if the input voltage changes.
The TLV990-28PFB is a highly sophisticated and reliable ADC module, which is suitable for a variety of tasks, including data acquisition for medical instruments, industrial automation, communication systems, and instrumentation. It has been designed to provide an efficient and accurate way of capturing and transferring analog signals with a wide dynamic range. Additionally, the available features make it an ideal choice for analog front-end applications.
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