LM12458CIVF

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Data Acquisition System (DAS)
Number of Channels:	8
Resolution (Bits):	12 b
Sampling Rate (Per Second):	140k
Data Interface:	Parallel
Voltage Supply Source:	Analog and Digital
Voltage - Supply:	3 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	44-LCC (J-Lead)
Supplier Device Package:	44-PLCC
Base Part Number:	LM12458

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LM12458CIVF Application Field and Working Principle

The LM12458CIVF is a single-channel, low-duty-cycle, transceiver device designed for very fast communications systems applications. It is an advanced, 12-bit, A/D and D/A converter for ultra-fast data acquisition, sampling and communications. Its key features include very low power consumption, low noise and distortion, and adjustable power and timing to maximize performance.

Applications

The LM12458CIVF is most commonly used in digital communications systems, such as ultra-fast data acquisition and sampling, opto-electronic systems, digital audio systems, and communications modems. It can also be used in many other applications, including industrial automation, medical test and measurement, video processing, computer server and peripheral control, and automotive systems.

Working Principle

The LM12458CIVF is a low-duty-cycle, single-channel, 12-bit transceiver. It is designed to provide digital-to-analog, analog-to-digital, and pulse-width modulation (PWM) functions in a single package.The LM12458CIVF converts digital signals into analog signals by a precise, 24-bit PWM signal. This PWM signal is then converted by a 12-bit ADC into an analog output signal. In addition to the 16-bit linear and 12-bit logarithmic converters, the LM12458CIVF also has four separate, individually-programmable sensitivity control functions. This allows the user to precisely adjust the sensitivity of the converter to optimize performance and reduce noise.The LM12458CIVF can also be used to generate and demodulate digital signals from analog signals. The pulse-width modulation (PWM) output of the LM12458CIVF is used to generate signals for digital communications. The device can also be used to demodulate digital signals from analog signals, making it suitable for use in digital communications systems.

Conclusion

The LM12458CIVF is a single-channel, 12-bit transceiver designed for ultra-fast data acquisition, sampling, and communications applications. It can be used to convert digital signals into analog signals, modulate and demodulate digital signals, and generate and receive PWM signals. The device has low power consumption, low noise and distortion, and adjustable power and timing to maximize performance. With its features and flexibility, the LM12458CIVF is a versatile and powerful device ideal for many applications.

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