Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Type:	ADC, Audio
Number of Channels:	6
Resolution (Bits):	24 b
Sampling Rate (Per Second):	192k
Data Interface:	Serial
Voltage Supply Source:	Analog and Digital
Voltage - Supply:	3.13 V ~ 5.25 V
Operating Temperature:	-10°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	48-LQFP
Supplier Device Package:	48-LQFP (7x7)
Base Part Number:	CS5345

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Introduction to the CS5345-CQZR and Its Application Field and Working Principle

The CS5345-CQZR is a complete, low power, 8-bit, delta-sigma A/D converter with a scan chain output. It provides an advanced solution to meet both precision analog-to-digital conversion and wide bandwidth signal analysis requirements. This versatile device is an ideal choice for applications such as data acquisition, audio signal processing, video signal processing, medical imaging, analog monitoring, ground sensing, and power system control.

Overview of the CS5345-CQZR

The CS5345-CQZR is a Delta-Sigma A/D converter that features a conversion rate of up to 75 Msamples/s and a low power consumption of only 260 mW. It has an input signal range of ±310 mV, making it suitable for applications where precise data acquisition is required. The device consists of a two-stage switched-capacitor reformulated delta-sigma modulator and a decimator circuit. It also includes a scan chain output, providing a quick and flexible data analysis engine.

Applications of the CS5345-CQZR

The CS5345-CQZR is designed for use in applications where high-speed, high-resolution, low-power data acquisition is vital. The device offers superior performance for applications such as automotive, industrial, and medical monitoring; communication systems; video streaming; audio systems; and motion control. Its fast data acquisition and resolution make it suitable for these and other precision applications.

Working Principle of the CS5345-CQZR

The CS5345-CQZR is operated in a dual-stage reformulated delta-sigma modulator architecture. The modulator first samples and capacitively stores the input signal, and then uses a dual-stage switched-capacitor modulator to reconstruct the input signals into a single-bit bit stream. This bit stream is then reformulated into an 8-bit output, and is further decimated to reduce the sampling rate. The scan chain output provides the ability to output the 8-bit data stream quickly. The device has two separate clock signals, CLK-IN and CLK-OUT, which must be used simultaneously for correct operation. CLK-IN is used for the modulator and CLK-OUT is used for tracking and filtering of the output data stream. The operating range of CLK-IN is from 32 kHz to 200 kHz, and the operating range of CLK-OUT is from 25 kHz to 4 MHz. This allows for the device to be operated within different noise environments, without loss of resolution or performance.

Conclusion

The CS5345-CQZR is an ideal and cost-effective solution for applications requiring high-speed, high-resolution, low-power data acquisition. With its low power consumption and efficient scan chain output, it is a great choice for automotive, industrial, and medical monitoring systems, communication systems, video streaming, audio systems, and motion control systems. It is also easy to use, with its dual clock operation and programmable decimation rate, allowing it to be adapted to various different noise environments.

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