<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.4">
<drawing>
<board>
<plain>
<hole x="5.08" y="40.64" drill="3.2"/>
<hole x="40.64" y="40.64" drill="3.2"/>
<hole x="40.64" y="5.08" drill="3.2"/>
<hole x="5.1308" y="5.0546" drill="3.2"/>
<wire x1="2.54" y1="43.18" x2="5.08" y2="45.72" width="0.0254" layer="20" curve="-90"/>
<wire x1="5.08" y1="45.72" x2="43.18" y2="45.72" width="0.0254" layer="20"/>
<wire x1="43.18" y1="45.72" x2="45.72" y2="43.18" width="0.0254" layer="20" curve="-90"/>
<wire x1="45.72" y1="43.18" x2="45.72" y2="2.54" width="0.0254" layer="20"/>
<wire x1="45.72" y1="2.54" x2="43.18" y2="0" width="0.0254" layer="20" curve="-90"/>
<wire x1="43.18" y1="0" x2="5.08" y2="0" width="0.0254" layer="20"/>
<text>Rev 1B</text>
<text>Duncan Lowder 2014</text>
<text>USB DAC</text>
<text>PN# 001</text>
<text>REV 1B</text>
<wire x1="5.08" y1="0" x2="2.54" y2="2.54" width="0.0254" layer="20" curve="-90"/>
<wire x1="2.54" y1="43.18" x2="2.54" y2="29.083" width="0.02" layer="20"/>
<wire x1="2.54" y1="29.083" x2="0" y2="29.083" width="0.02" layer="20"/>
<wire x1="0" y1="29.083" x2="0" y2="17.145" width="0.02" layer="20"/>
<wire x1="0" y1="17.145" x2="2.54" y2="17.145" width="0.02" layer="20"/>
<wire x1="2.54" y1="17.145" x2="2.54" y2="2.54" width="0.02" layer="20"/>
</plain>
<libraries>
<library name="lowderlib">
<packages>
<package name="32TQFP_PCM2707C">
</package>
<package name="GND_CONNECTOR">
</package>
</packages>
</library>
<library name="SparkFun-Passives">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find resistors, capacitors, inductors, test points, jumper pads, etc.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&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="0805">
</package>
<package name="PANASONIC_C">
<description>&lt;b&gt;Panasonic Aluminium Electrolytic Capacitor VS-Serie Package E&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="SparkFun-Connectors">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find connectors and sockets- basically anything that can be plugged into or onto.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&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="1X05_LOCK">
</package>
<package name="AUDIO-JACK">
</package>
</packages>
</library>
<library name="crystal">
<description>&lt;b&gt;Crystals and Crystal Resonators&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="HC49U-V">
<description>&lt;b&gt;CRYSTAL&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="USB-MINIB">
<description>Surface Mount USB Mini-B Connector</description>
</package>
</packages>
</library>
<library name="SparkFun-LED">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find discrete LEDs for illumination or indication, but no displays.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&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="LED-0603">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U1" library="lowderlib" package="32TQFP_PCM2707C" value=""/>
<element name="C1" library="SparkFun-Passives" package="0805" value="1uF"/>
<element name="C2" library="SparkFun-Passives" package="PANASONIC_C" value="10uF"/>
<element name="JP1" library="SparkFun-Connectors" package="1X05_LOCK" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C9" library="SparkFun-Passives" package="0805" value="1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q1" library="crystal" package="HC49U-V" value="12MHz">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="1666969"/>
</element>
<element name="R1" library="SparkFun-Passives" package="0805" value="1MOhm"/>
<element name="C4" library="SparkFun-Passives" package="0805" value="22pF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C5" library="SparkFun-Passives" package="0805" value="22pF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="CN1" library="adafruit" package="USB-MINIB" value=""/>
<element name="R6" library="SparkFun-Passives" package="0805" value="22Ohm"/>
<element name="R8" library="SparkFun-Passives" package="0805" value="22Ohm"/>
<element name="L1" library="SparkFun-Passives" package="0805" value="1A FB"/>
<element name="R10" library="SparkFun-Passives" package="0805" value="1.5kOhm">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP2" library="SparkFun-Connectors" package="AUDIO-JACK" value=""/>
<element name="C3" library="SparkFun-Passives" package="0805" value="1uF"/>
<element name="C7" library="SparkFun-Passives" package="0805" value="1uF"/>
<element name="R4" library="SparkFun-Passives" package="0805" value="3.3kOhm">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R5" library="SparkFun-Passives" package="0805" value="3.3kOhm"/>
<element name="R7" library="SparkFun-Passives" package="0805" value="3.3kOhm"/>
<element name="R9" library="SparkFun-Passives" package="0805" value="3.3kOhm"/>
<element name="R2" library="SparkFun-Passives" package="0805" value="16Ohm"/>
<element name="R3" library="SparkFun-Passives" package="0805" value="16Ohm"/>
<element name="C8" library="SparkFun-Passives" package="0805" value="22nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C6" library="SparkFun-Passives" package="0805" value="22nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C10" library="SparkFun-Passives" package="PANASONIC_C" value="100uF"/>
<element name="C11" library="SparkFun-Passives" package="PANASONIC_C" value="100uF"/>
<element name="C12" library="SparkFun-Passives" package="0805" value="1uF"/>
<element name="CON1" library="lowderlib" package="GND_CONNECTOR" value="GND_CONNECTORSMD"/>
<element name="LED1" library="SparkFun-LED" package="LED-0603" value="Blue"/>
<element name="LED2" library="SparkFun-LED" package="LED-0603" value="Blue">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R11" library="SparkFun-Passives" package="0805" value="560Ohm"/>
<element name="R12" library="SparkFun-Passives" package="0805" value="330Ohm"/>
<element name="R14" library="SparkFun-Passives" package="0805" value="1.5kOhm"/>
</elements>
<signals>
<signal name="GND">
<contactref element="U1" pad="3"/>
<contactref element="JP1" pad="1"/>
<contactref element="U1" pad="20"/>
<contactref element="C5" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="U1" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="C2" pad="-"/>
<contactref element="CN1" pad="GND"/>
<contactref element="CN1" pad="GND"/>
<contactref element="C9" pad="2"/>
<contactref element="C12" pad="2"/>
<contactref element="CON1" pad="2"/>
<contactref element="R11" pad="1"/>
<contactref element="R12" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="U1" pad="2"/>
<contactref element="C1" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="C2" pad="+"/>
<contactref element="U1" pad="32"/>
</signal>
<signal name="N$1">
<contactref element="U1" pad="6"/>
<contactref element="JP1" pad="5"/>
</signal>
<signal name="N$3">
<contactref element="U1" pad="7"/>
<contactref element="JP1" pad="4"/>
</signal>
<signal name="N$5">
<contactref element="U1" pad="8"/>
<contactref element="JP1" pad="3"/>
</signal>
<signal name="VDD">
<contactref element="U1" pad="9"/>
<contactref element="U1" pad="10"/>
<contactref element="C9" pad="1"/>
<contactref element="U1" pad="21"/>
<contactref element="R10" pad="2"/>
<contactref element="R14" pad="1"/>
<contactref element="U1" pad="16"/>
</signal>
<signal name="N$7">
<contactref element="U1" pad="12"/>
<contactref element="R1" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="Q1" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="R1" pad="2"/>
<contactref element="U1" pad="13"/>
<contactref element="Q1" pad="2"/>
<contactref element="C5" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="U1" pad="23"/>
<contactref element="R8" pad="1"/>
</signal>
<signal name="N$10">
<contactref element="U1" pad="22"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="N$11">
<contactref element="R8" pad="2"/>
<contactref element="CN1" pad="D+"/>
<contactref element="R10" pad="1"/>
</signal>
<signal name="N$12">
<contactref element="CN1" pad="D-"/>
<contactref element="R6" pad="2"/>
</signal>
<signal name="AGND">
<contactref element="U1" pad="31"/>
<contactref element="C3" pad="1"/>
<contactref element="U1" pad="26"/>
<contactref element="C7" pad="2"/>
<contactref element="U1" pad="25"/>
<contactref element="R9" pad="1"/>
<contactref element="R7" pad="1"/>
<contactref element="R5" pad="1"/>
<contactref element="R4" pad="1"/>
<contactref element="R2" pad="1"/>
<contactref element="R3" pad="1"/>
<contactref element="JP2" pad="SLEEVE"/>
<contactref element="CON1" pad="1"/>
</signal>
<signal name="N$13">
<contactref element="C3" pad="2"/>
<contactref element="U1" pad="30"/>
</signal>
<signal name="N$16">
<contactref element="U1" pad="27"/>
<contactref element="C7" pad="1"/>
</signal>
<signal name="N$17">
<contactref element="C8" pad="2"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$18">
<contactref element="C6" pad="2"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="N$19">
<contactref element="C11" pad="-"/>
<contactref element="JP2" pad="RING"/>
<contactref element="R9" pad="2"/>
</signal>
<signal name="N$20">
<contactref element="C10" pad="-"/>
<contactref element="JP2" pad="TIP"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="N$21">
<contactref element="R5" pad="2"/>
<contactref element="C11" pad="+"/>
<contactref element="C8" pad="1"/>
<contactref element="U1" pad="29"/>
</signal>
<signal name="N$23">
<contactref element="R4" pad="2"/>
<contactref element="C10" pad="+"/>
<contactref element="C6" pad="1"/>
<contactref element="U1" pad="28"/>
</signal>
<signal name="N$14">
<contactref element="R11" pad="2"/>
<contactref element="LED1" pad="C"/>
</signal>
<signal name="N$22">
<contactref element="R12" pad="2"/>
<contactref element="LED2" pad="C"/>
</signal>
<signal name="/SSPND">
<contactref element="LED2" pad="A"/>
<contactref element="U1" pad="11"/>
</signal>
<signal name="N$6">
<contactref element="L1" pad="2"/>
<contactref element="CN1" pad="VBUS"/>
</signal>
<signal name="5V">
<contactref element="U1" pad="24"/>
<contactref element="C12" pad="1"/>
<contactref element="L1" pad="1"/>
<contactref element="JP1" pad="2"/>
<contactref element="LED1" pad="A"/>
</signal>
<signal name="N$15">
<contactref element="U1" pad="15"/>
<contactref element="R14" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
