Texas Instruments PCM186xEVM, User Manual, Page: 2 / 21

Introduction
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15 PCM186xEVM Schematic
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16 PCM186xEVM Schematic, SPDIF I/O and Controller Board I/O
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17 Top Silk Screen
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18 Top copper
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19 Bottom Copper
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List of Tables
1 Part Differences
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2 J7 Controls
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3 Mode Summary
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4 Bill of Materials for PCM186xEVM
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1 Introduction
The PCM186xEVM (EVM) is an easy-to-use evaluation board for the PCM186x family of ADCs. Due to
the pin-for-pin nature of the PCM186x family, any of the following part numbers can be used with this
board; PCM1860, PCM1861, PCM1862, PCM1863, PCM1864, and PCM1865. The differences between
these parts are shown in
Table 1 .
Table 1. Part Differences
Part Number Register Programmable Hardware Programmable Number of ADC Channels
PCM1860 Yes 2
PCM1861 Yes 2
PCM1862 Yes 2
PCM1863 Yes 2
PCM1864 Yes 4
PCM1865 Yes 4
The PCM186xEVM has an ex5-V power connection or USB +5 V through the USB-I2X board to
power the EVM. In conjunction with the USB-I2X board, all of the register programming can be done via
USB. In the case of the hardware-controlled parts, resistors are included to tie inputs high or low. There
are headers and test points for most signals to and from the PCM186x. Digital audio can be streamed
from the included SPDIF optical connectors or though a USB to a PC.
2 PCM186xEVM SLAU615 – December 2014
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