PCM1804S1IDBRQ1 Integrated Circuits (ICs)

Series:	Automotive, AEC-Q100
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	ADC, Audio
Number of Channels:	2
Resolution (Bits):	24 b
Sampling Rate (Per Second):	192k
Data Interface:	I²S
Voltage Supply Source:	Analog and Digital
Voltage - Supply:	3 V ~ 3.6 V, 4.75 V ~ 5.25 V
Operating Temperature:	-10°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	28-SSOP (0.209", 5.30mm Width)
Supplier Device Package:	28-SSOP
Base Part Number:	PCM1804

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Introduction to PCM1804S1IDBRQ1PCM1804S1IDBRQ1 is an audio-to-digital converter (ADC) and digital-to-audio converter (DAC) manufactured by NXP Semiconductors. The PCM1804S1IDBRQ1 is a 128-pin surface-mounted device that is designed to meet the high audio performance requirements of professional audio applications. The device integrates four audio inputs and two audio outputs, and consists of a 24-bit ADC and a 24-bit DAC. Additionally, the device features an array of advanced features such as a Soft-Mute feature, zero-latency operation, and a low-power idle mode.Application Field of PCM1804S1IDBRQ1The PCM1804S1IDBRQ1 is a high-performance ADC and DAC designed for professional audio applications. The device is ideal for use in applications such as digital mixers, effects processors, and audio interface devices. The device can be used to convert analog audio signals into digital signals and to convert digital signals back to analog audio signals. Additionally, the device is suitable for use in applications that require high-fidelity audio performance such as Hi-Fi preamplifiers, microphone preamplifiers, and digital recording systems.Working Principle of PCM1804S1IDBRQ1The PCM1804S1IDBRQ1 utilizes a delta-sigma modulator for the ADC and a multi-bit modulator for the DAC. The ADC converts incoming analog signals into digital signals with a 24-bit resolution. The ADC features a programmable gain that can be configured to provide a wide range of input levels, from -105 dBV to +30 dBV. The hardware-controlled zero-latency Soft-Mute feature of the ADC eliminates pops and clicks when the device is turned on and off.The DAC of the PCM1804S1IDBRQ1 is capable of converting digital signals into analog signals with a 24-bit resolution. The DAC also features a hardware-controlled soft-mute function that eliminates pops and clicks when the device is turned on and off. The DAC is capable of generating sinusoidal and triangular waveforms. The device also integrates a low-power idle mode that reduces the power consumption of the device while the audio system is inactive.ConclusionThe PCM1804S1IDBRQ1 is a high-performance audio-to-digital converter (ADC) and digital-to-audio converter (DAC) designed for professional audio applications. The device integrates four audio inputs, two audio outputs, and features a hardware-controlled zero-latency Soft-Mute feature, and a low-power idle mode. The device is capable of converting analog audio signals into digital signals with 24-bit resolution and of converting digital signals back to analog audio signals with 24-bit resolution. The PCM1804S1IDBRQ1 is ideal for use in applications such as digital mixers, effects processors, and audio interfaces.

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