PCM4222PFBG4

Series:	--
Packaging:	Tray
Part Status:	Active
Type:	ADC, Audio
Number of Channels:	2
Resolution (Bits):	24 b
Sampling Rate (Per Second):	216k
Data Interface:	PCM Audio Interface
Voltage Supply Source:	Analog and Digital
Voltage - Supply:	2.4 V ~ 4.2 V
Operating Temperature:	-40°C ~ 85°C
Package / Case:	48-TQFP
Supplier Device Package:	48-TQFP (7x7)
Base Part Number:	PCM4222

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Introduction

PCM4222PFBG4 is a special-purpose ADC (Analog-to-Digital Converter) built on a monolithic single-chip that offers datasheet performance. This product is ideal for applications like industrial, medical and automotive test and measurement systems. The major advantages of PCM4222PFBG4 are its extremely low power consumption, excellent noise performance, wide dynamic range, and low input capacitance. It is also highly integrated, providing high resolution and high speed performance with low latency. The device can support multiple synchronous data formats, and is also cost effective.

Application Field

The PCM4222PFBG4 can be used in a variety of applications including medical imaging, industrial test and measurement, automotive electronics, and speech and audio processing. The device is also well suited for use in applications that have test and measurement requirements, such as the evaluation and control of electronic devices, components, or systems. The devices versatile performance can enable the design of advanced applications in a vast range of products.

PCM4222PFBG4 ADC Working Principle

PCM4222PFBG4 converts analog signals to digital measurement data with its high speed, low noise and excellent dynamic range. The device is configured with a current-to-voltage converter, which is responsible for transducing the input signal. Subsequent digital processing involves sampling the analog signal at a preset sampling rate, converting the data to the range of -1.7V to +1.7V, digitization, and further processing to minimize total Harmonic Distortion (THD) and improve signal-to-noise Ratio (SNR).The device can be configured to generate a multiple bitstream signal (e.g. 12-bit or 16-bit resolution), with signal lengths ranging from 8 to 64 bits depending on the application. The PCM4222PFBG4 also offers a configurable serial data stream than can be used as an output signal.

Features and Benefits

1) Low Power Consumption: The PCM4222PFBG4 supports an extremely low power consumption rating of just 5.5mW, which is considered very low for a monolithic device. The low power consumption enables size and cost reduction for the device and for the system as a whole.2) Excellent Noise Performance: The device also offers excellent noise performance, with an effective noise floor lower than -110dB. This noise performance is beneficial for applications that require accurate measurements of small signals.3) Wide Dynamic Range: The dynamic range offered by the PCM4222PFBG4 is also very impressive, with a range between -20dB and +20dB. The wide dynamic range is beneficial for applications that require measurements of both large and small signals.4) Low Input Capacitance: The PCM4222PFBG4 is able to maintain a very low input capacitance rating of just 5pF. The low input capacitance rating ensures minimal distortion of the input signal.

Conclusion

The PCM4222PFBG4 is a monolithic, low power and low input capacitance ADC that delivers high resolution with low latency. The device is well suited for use in industrial and automotive applications, with wide dynamic range, excellent noise performance and low power consumption enabling design of advanced applications in a vast range of products.

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