Technobots Ltd PCM1803A A/D Stereo Conv. Breakout Board

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PCM1803A A/D Stereo Conv. Breakout Board - Part No: 2900-408
Shipping Weight 0.004 Kg

The PCM1803A is a high-performance, low-cost, 24-bit stereo analog-to-digital converter that can sample as high as 96k. The PCM1803A is a great choice for a wide variety of applications where high performance is necessary. Such applications include AV amplifier receivers, CD recorders, electrical musical instruments, and high precision analog measurements.

Communication with the PCM1803A is achieved through a serial interface called I2S, described in the datasheet below. Both master and slave communication modes are supported and four data formats are available. As recommended by the datasheet, the AGND and DGND are connected directly under the chip via a solder jumper.

This board from Sparkfun BOB-09365 includes a number of the necessary components you'll need to get the PCM1803A up and running. Both 5V and 3.3VDC regulators are included to power the analog and digital sides, respectively. A 24.576MHz oscillator is included, allowing the PCM1803A to run at a number of different sampling frequencies. All pins of the PCM1803A are broken out to a pair of 0.1" pitch headers, including a 3.3V output pin from the regulator.

Features:

* 24-Bit Delta-Sigma Stereo A/D Converter
* Single-supply operation: 5-12VDC input on breakout board
* Oversampling Decimation Filter:
o Oversampling Frequency: ×64, ×128
o Pass-Band Ripple: ±0.05 dB
o Stop-Band Attenuation: -65 dB
o On-Chip High-Pass Filter: 0.84 Hz (44.1 kHz)
* High-Performance:
o THD+N: -95 dB (Typically)
o SNR: 103 dB (Typically)
o Dynamic Range: 103 dB (Typically)
* Sampling Rate: 16 kHz to 96 kHz
* System Clock: 256 fS, 384 fS, 512 fS, 768 fS
* PCM Audio Interface:
o Master/Slave Mode Selectable
o Data Formats:
+ 24-Bit Left-Justified
+ 24-Bit I2S
+ 20-, 24-Bit Right-Justified

Schematic

PCM1803A Datasheet

I2S Protocol

Example Control Code for LPC2138

Quantity Price per Item (info)

1+ £11.41 (Including VAT at 17.5%)
£9.71 excl VAT

5+ £9.53 (Including VAT at 17.5%)
£8.11 excl VAT

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PCM1803A A/D Stereo Conv. Breakout Board

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