<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.1.3">
<drawing>
<board>
<plain>
<wire x1="40.64" y1="0" x2="2.54" y2="0" width="0.1524" layer="20"/>
<wire x1="2.54" y1="0" x2="0" y2="2.54" width="0.1524" layer="20" curve="-90"/>
<wire x1="0" y1="2.54" x2="0" y2="45.72" width="0.1524" layer="20"/>
<wire x1="0" y1="45.72" x2="2.54" y2="48.26" width="0.1524" layer="20" curve="-90"/>
<wire x1="2.54" y1="48.26" x2="40.64" y2="48.26" width="0.1524" layer="20"/>
<wire x1="40.64" y1="48.26" x2="43.18" y2="45.72" width="0.1524" layer="20" curve="-90"/>
<wire x1="43.18" y1="45.72" x2="43.18" y2="2.54" width="0.1524" layer="20"/>
<wire x1="43.18" y1="2.54" x2="40.64" y2="0" width="0.1524" layer="20" curve="-90"/>
<text>USB Audio v1</text>
</plain>
<libraries>
<library name="fab">
<packages>
<package name="C1206">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;</description>
</package>
<package name="SOT23-5">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;, 5 lead</description>
</package>
<package name="SOT23">
<description>&lt;b&gt;SOT 23&lt;/b&gt;</description>
</package>
<package name="R1206">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;</description>
</package>
<package name="6MM_SWITCH">
<description>&lt;b&gt;OMRON SWITCH&lt;/b&gt;</description>
</package>
<package name="2-SMD-5X3MM">
</package>
<package name="2X03SMD">
</package>
<package name="TQFP44-13THIN">
<description>&lt;b&gt;Thin Quad Flat Pack&lt;/b&gt;&lt;p&gt;
package type TQ</description>
</package>
<package name="DX4R005HJ5_64">
</package>
<package name="R1206FAB">
</package>
<package name="C1206FAB">
</package>
<package name="LED1206FAB">
<description>LED1206 FAB style (smaller pads to allow trace between)</description>
</package>
</packages>
</library>
<library name="SJ1-3515-SMT">
<packages>
<package name="CUI_SJ1-3515-SMT">
</package>
</packages>
</library>
<library name="SparkFun-Connectors">
<description>&lt;h3&gt;SparkFun Connectors&lt;/h3&gt;
This library contains electrically-functional connectors. 
&lt;br&gt;
&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is &lt;b&gt; the end user's responsibility&lt;/b&gt; to ensure correctness and suitablity for a given componet or application. 
&lt;br&gt;
&lt;br&gt;If you enjoy using this library, please buy one of our products at &lt;a href=" www.sparkfun.com"&gt;SparkFun.com&lt;/a&gt;.
&lt;br&gt;
&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;
&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="1X08">
<description>&lt;h3&gt;Plated Through Hole -8 Pin&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:8&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_08&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="1X02_NO_SILK">
<description>&lt;h3&gt;Plated Through Hole - No Silk Outline&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:2&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="fab" package="C1206" value="10uF"/>
<element name="C2" library="fab" package="C1206" value=".1uF"/>
<element name="C3" library="fab" package="C1206" value="16pF"/>
<element name="C4" library="fab" package="C1206" value="16pF"/>
<element name="C7" library="fab" package="C1206" value=".1uF"/>
<element name="C8" library="fab" package="C1206" value="10uF"/>
<element name="IC1" library="fab" package="SOT23-5" value="OPAMPSOT23-5"/>
<element name="IC2" library="fab" package="SOT23-5" value="OPAMPSOT23-5"/>
<element name="IC3" library="fab" package="SOT23" value=""/>
<element name="R3" library="fab" package="R1206" value="250"/>
<element name="R8" library="fab" package="R1206" value="10k"/>
<element name="R9" library="fab" package="R1206" value="10k"/>
<element name="S1" library="fab" package="6MM_SWITCH" value=""/>
<element name="U$2" library="fab" package="2-SMD-5X3MM" value="CRYSTAL 16MHz"/>
<element name="U$3" library="fab" package="2X03SMD" value="AVRISPSMD"/>
<element name="U$7" library="fab" package="TQFP44-13THIN" value="ATXMEGA_A4UTQFP-44-1-64"/>
<element name="X1" library="fab" package="DX4R005HJ5_64" value="MICRO-USB_1/64"/>
<element name="R12" library="fab" package="R1206FAB" value="22"/>
<element name="R13" library="fab" package="R1206FAB" value="22"/>
<element name="R1" library="fab" package="R1206FAB" value="250"/>
<element name="R2" library="fab" package="R1206FAB" value="250"/>
<element name="R6" library="fab" package="R1206FAB" value="15k"/>
<element name="R7" library="fab" package="R1206FAB" value="15k"/>
<element name="R10" library="fab" package="R1206FAB" value="10k"/>
<element name="J1" library="SJ1-3515-SMT" package="CUI_SJ1-3515-SMT" value="SJ1-3515-SMT">
<attribute name="MANUFACTURER" value="CUI"/>
<attribute name="PARTREV" value="1.05"/>
<attribute name="STANDARD" value="Manufacturer recommendation"/>
</element>
<element name="C9" library="fab" package="C1206FAB" value="10uF"/>
<element name="C5" library="fab" package="C1206FAB" value="10uF"/>
<element name="U$6" library="fab" package="LED1206FAB" value="LEDFAB1206"/>
<element name="U$1" library="fab" package="LED1206FAB" value="LEDFAB1206"/>
<element name="R4" library="fab" package="R1206FAB" value="10k"/>
<element name="R5" library="fab" package="R1206FAB" value="10k"/>
<element name="J2" library="SparkFun-Connectors" package="1X08" value="">
<attribute name="PROD_ID" value="CONN-08438"/>
</element>
<element name="J3" library="SparkFun-Connectors" package="1X02_NO_SILK" value=""/>
<element name="R11" library="fab" package="R1206FAB" value="0"/>
<element name="U$5" library="fab" package="LED1206FAB" value="LEDFAB1206"/>
<element name="J4" library="SparkFun-Connectors" package="1X02_NO_SILK" value=""/>
</elements>
<signals>
<signal name="GND">
<contactref element="X1" pad="GND"/>
<contactref element="C1" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="IC3" pad="3"/>
<contactref element="C8" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="U$3" pad="6"/>
<contactref element="S1" pad="1"/>
<contactref element="S1" pad="2"/>
<contactref element="IC1" pad="2"/>
<contactref element="C7" pad="1"/>
<contactref element="R9" pad="1"/>
<contactref element="IC2" pad="2"/>
<contactref element="U$7" pad="8"/>
<contactref element="U$7" pad="38"/>
<contactref element="U$7" pad="30"/>
<contactref element="U$7" pad="18"/>
<contactref element="R11" pad="2"/>
<contactref element="R11" pad="1"/>
<contactref element="U$5" pad="2"/>
</signal>
<signal name="+5V">
<contactref element="X1" pad="VBUS"/>
<contactref element="IC3" pad="2"/>
<contactref element="C8" pad="2"/>
</signal>
<signal name="N$1">
<contactref element="U$2" pad="P$2"/>
<contactref element="C4" pad="2"/>
<contactref element="U$7" pad="37"/>
</signal>
<signal name="N$2">
<contactref element="U$2" pad="P$1"/>
<contactref element="C3" pad="2"/>
<contactref element="U$7" pad="36"/>
</signal>
<signal name="D+">
<contactref element="X1" pad="D+"/>
<contactref element="R12" pad="2"/>
<contactref element="J3" pad="2"/>
</signal>
<signal name="D-">
<contactref element="X1" pad="D-"/>
<contactref element="R13" pad="2"/>
<contactref element="J3" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="U$3" pad="1"/>
<contactref element="U$7" pad="34"/>
</signal>
<signal name="N$7">
<contactref element="S1" pad="4"/>
<contactref element="S1" pad="3"/>
<contactref element="U$3" pad="5"/>
<contactref element="U$7" pad="35"/>
<contactref element="R10" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="R3" pad="2"/>
<contactref element="U$5" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="IC1" pad="4"/>
<contactref element="R6" pad="1"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="N$9">
<contactref element="IC1" pad="3"/>
<contactref element="R7" pad="1"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="AUDIO">
<contactref element="IC1" pad="1"/>
<contactref element="R6" pad="2"/>
<contactref element="U$7" pad="3"/>
<contactref element="J2" pad="8"/>
</signal>
<signal name="V_BIAS">
<contactref element="IC2" pad="4"/>
<contactref element="IC2" pad="1"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="N$12">
<contactref element="IC2" pad="3"/>
<contactref element="R8" pad="1"/>
<contactref element="R9" pad="2"/>
<contactref element="C7" pad="2"/>
</signal>
<signal name="+3V3">
<contactref element="U$7" pad="9"/>
<contactref element="U$7" pad="39"/>
<contactref element="U$7" pad="19"/>
<contactref element="U$7" pad="31"/>
<contactref element="C1" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="R3" pad="1"/>
<contactref element="IC3" pad="1"/>
<contactref element="IC2" pad="5"/>
<contactref element="IC1" pad="5"/>
<contactref element="R8" pad="2"/>
<contactref element="U$3" pad="2"/>
<contactref element="R10" pad="2"/>
<contactref element="U$6" pad="1"/>
<contactref element="U$1" pad="1"/>
</signal>
<signal name="N$17">
<contactref element="R2" pad="2"/>
<contactref element="U$1" pad="2"/>
</signal>
<signal name="N$18">
<contactref element="R1" pad="2"/>
<contactref element="U$6" pad="2"/>
</signal>
<signal name="N$15">
<contactref element="U$7" pad="27"/>
<contactref element="R12" pad="1"/>
</signal>
<signal name="N$16">
<contactref element="U$7" pad="26"/>
<contactref element="R13" pad="1"/>
</signal>
<signal name="N$13">
<contactref element="U$7" pad="16"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="N$14">
<contactref element="U$7" pad="17"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="IN-">
<contactref element="J1" pad="2"/>
<contactref element="C9" pad="1"/>
<contactref element="J4" pad="2"/>
</signal>
<signal name="IN+">
<contactref element="J1" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="J4" pad="1"/>
</signal>
<signal name="N$10">
<contactref element="R4" pad="1"/>
<contactref element="C9" pad="2"/>
</signal>
<signal name="N$11">
<contactref element="R5" pad="1"/>
<contactref element="C5" pad="2"/>
</signal>
<signal name="PA0">
<contactref element="J2" pad="1"/>
<contactref element="U$7" pad="40"/>
</signal>
<signal name="PA1">
<contactref element="J2" pad="2"/>
<contactref element="U$7" pad="41"/>
</signal>
<signal name="PA2">
<contactref element="J2" pad="3"/>
<contactref element="U$7" pad="42"/>
</signal>
<signal name="PA3">
<contactref element="J2" pad="4"/>
<contactref element="U$7" pad="43"/>
</signal>
<signal name="PA4">
<contactref element="J2" pad="5"/>
<contactref element="U$7" pad="44"/>
</signal>
<signal name="PA5">
<contactref element="J2" pad="6"/>
<contactref element="U$7" pad="1"/>
</signal>
<signal name="PA6">
<contactref element="J2" pad="7"/>
<contactref element="U$7" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
