| Allicdata Part #: | 296-33530-5-ND |
| Manufacturer Part#: |
PCM1794ADB |
| Price: | $ 10.88 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC DAC 24BIT STER 192KHZ 28-SSOP |
| More Detail: | DAC, Audio 24 bit 200k I²S 28-SSOP |
| DataSheet: |  PCM1794ADB Datasheet/PDF |
| Quantity: | 96 |
| 1 +: | $ 9.89100 |
| 10 +: | $ 9.09027 |
| 100 +: | $ 7.67711 |
| 500 +: | $ 6.82933 |
| 1000 +: | $ 6.26414 |
Specifications
| Series: | -- |
| Packaging: | Tube |
| Part Status: | Active |
| Type: | DAC, Audio |
| Number of Channels: | 3 |
| Resolution (Bits): | 24 b |
| Sampling Rate (Per Second): | 200k |
| Data Interface: | I²S |
| Voltage Supply Source: | Analog and Digital |
| Voltage - Supply: | 3 V ~ 3.6 V, 5V |
| Operating Temperature: | -25°C ~ 85°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 28-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package: | 28-SSOP |
| Base Part Number: | PCM1794A |
Description
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The PCM1794ADB is a high-quality, high-density, low-power device designed for consumer audio equipment. It is part of the Texas Instruments Advanced DAC family, specifically designed for consumer audio applications such as CD players, DACs, Blu-ray players, and surround-sound systems. It offers a highly precise 24-bit Delta-Sigma ADC optimized for digital acquisition of high-quality low-distortion audio signals. The results of the PCM1794ADB application field and working principle give audio engineers a precise tool to create stunning audio digitalizations.Specifications wise, the PCM1794ADB is equipped with a single-ended 24-bit Delta-Sigma ADC. It has a single differential analog input, which is externally programmable between 10Khz to 45Khz. It also comes with an internal low-pass filter to reject out-of-band noise and its own pop-and-click elimination circuit. The device can operate from a single +10V supply and its quiescent current consumption is less than 18 mA.In the PCM1794ADB application field and working principle, the Delta-Sigma ADC is the primary element for audio data acquisition. It is designed to reduce quantization noise and distortion, to maximize dynamic range, and to allow for higher sampling rates with fewer quantization errors. The Delta-Sigma ADC has two main working principles: oversampling and noise shaping.Oversampling is a technique where the ADC takes more samples than necessary in order to increase the resolution of a signal. This action is essential in reproducing digital music accurately and to allow the device to process higher frequencies than would otherwise be possible with a low-resolution ADC. In the case of the PCM1794ADB, it has a 16-bit resolution and uses its 20-bit oversampling filter for sampling frequencies up to 45Khz.The second principle is noise shaping. It is a technique used to tailor the shape of the noise present within the ADC\'s output. This is done by introducing a non-linear distortion term called the sigma-delta modulator, which reduces the amount of noise present in the higher frequency components of the signal. This technique further improves the dynamic range and the overall precision of the device\'s digitalization.Furthermore, the PCM1794ADB is also equipped with an internal noise-reduction circuit, which reduces the noise level of the output signal by five dB. This circuit also eliminates the possibility of noise-induced pop and click sounds. Additionally, the device has low power consumption as one unit can operate with a single +10V supply.In today\'s consumer audio landscape, the PCM1794ADB is an ideal match for different audio systems. Knowing that its Delta-Sigma architecture is engineered to offer near-perfect results in terms of dynamic range and overall sound quality, plus its low power consumption, it is becoming the preferred choice for different audio engineers and music producers. In conclusion, the PCM1794ADB is ideal for consumer audio applications due to its Delta-Sigma ADC, internal low-pass filter, pop-and-click elimination circuit, plus its high dynamic range and low power consumption. All of these features make it an ideal choice for high-quality, low-distortion audio digitalization.
The specific data is subject to PDF, and the above content is for reference
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