TLC1543CDW

Number of A/D Converters:	1
Base Part Number:	TLC1543
Supplier Device Package:	20-SOIC
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Operating Temperature:	0°C ~ 70°C
Features:	Selectable Address
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	5V
Reference Type:	External
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	MUX-S/H-ADC
Data Interface:	SPI
Input Type:	Single Ended
Number of Inputs:	11
Sampling Rate (Per Second):	38k
Number of Bits:	10
Part Status:	Active
Packaging:	Tube

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Data Acquisition - Analog to Digital Converters (ADC)The TLC1543CDW is an Analog to Digital Converter (ADC) developed by Texas Instruments. It is a low-power, low-noise high-precision ADC designed for applications requiring high-fidelity signal conversion. The TLC1543CDW is a 12-bit approximate successive-approximation (ASA) ADC with a resolution of up to 15 bits. It offers up to 2MS/s sample rate, which enables high-speed, high-fidelity signal conversion. This device also includes an on-chip temperature sensor and an on-chip reference, which makes the device well-suited for data acquisition and industrial applications.The TLC1543CDW has a wide application field which makes it suitable for a variety of applications. It can be used for medical imaging, industrial process control and monitoring, data acquisition for research and development, automotive test systems, etc. The device also provides an input range of up to 2.5V and supports a wide range of input frequencies from DC to 200 kHz. Furthermore, the device features a low-noise current input and a differential signal architecture, making it suitable for high-speed, low-noise signal conversion.The working principle of the TLC1543CDW is based on successive approximation converters. This is a analog-to-digital conversion technique in which an analog signal is digitized by repeatedly comparing it with a reference signal. The TLC1543CDW uses an approximate successive-approximation converter, which means that the comparator is not able to perform absolute value comparison, but is instead able to approximate the comparison. This converter consists of two stages: a sampling and a quantization stage. At the sampling stage, the analog signal is sampled and multiplied by a known reference voltage. This generates a dithered voltage which is compared against the reference voltage. After the comparison is completed, the sampled signal is filtered and quantized. At the quantization stage, the analog signal is quantized into a digital representation. The quantization is done by resolving the voltage difference between the input sample and the reference voltage. This is referred to as the successive-approximation register (SAR). The SAR method uses a comparator to search for the best match for a given voltage level, thereby resulting in an accurate digital output.The TLC1543CDW features improved resolution up to 15 bits and low-noise performance, allowing it to deliver accurate and reliable data through its high-precision signal conversion. The device provides an on-chip temperature sensor and reference, which enable the device to compensate for sensor drift and temperature drift, making it well-suited for industrial and medical applications. The device supports a wide input range of up to 2.5V and wide input frequencies from DC to 200kHz, making it suitable for high-speed, high-fidelity signal conversion. Furthermore, the device also features automatic power-down and wake-up options, making it a power-efficient solution. In summary, the TLC1543CDW is an efficient, high-precision ADC designed for industrial and medical application requiring exceptional signal fidelity. The device features wide application fields, an on-chip temperature sensor and reference, a low-noise current input and low-power, high-speed conversion capability, making it suitable for a variety of applications.

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