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Texas Instruments manual Parts List, Board Layout, and Schematics, CDCM7005EVMQFN−SCH

Models: CDCM7005

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Parts List, Board Layout, and Schematics 6-15

CTRL_LE

CTRL_CLK

CTRL_DATA

			1
			R62
			100	1
				1	R63
			2		R63
			2		100
					100
				2					VCC
C 69		10p					R64	100K	VCC
C 69		10p					R64	100K
1		2				2		1
					1		R 66 100K
							R 66 100K
1		2					2	1
C 70		10p				R65		R 67 100K
		1	2		2	100	2		1
		C 71	10p
GND								C72100n		VCC
GND								1	2
								1	2			VCC
							GND	C73				VCC
								C73
									100P
							1	1OE	VCC	14	R 68	10K
						LE	2	1A	4OE	132		1
						LE	3	1Y	4A	12
							4	2OE	4Y	11
						CLK	5	2A	3OE	10	GND
						CLK	6	2A	3OE	9	GND
							7	2Y	3A	8		DATA
							7	GND	3Y	8		DATA
						GND		SN74LV125U3
						GND
	1	SPI_DATA				1	J30	14				VCC
	1	SPI_DATA				2	J30	15				VCC
J31	2		SPI_CLK			3		16				10KR69
	3		SPI_LE			4		17				10KR69
HDR4	4					5		18			1	2
HDR4						6		19
			GND			7		20
			GND			8		21	GND
						9		22	GND
						10		23
						11		24
						12		25
						13		26
								27

PARALLEL PORTGND


Title	CDCM7005_QFN Evaluation Module
	CDCM7005_QFN Evaluation Module
Size	Document Number			A
Size	Document Number
B		CDCM7005EVM_QFN−SCH
D a te:	Tuesday, April 26, 2005		55Sheetof
			1

R e v PartsList

Page 34

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Texas Instruments manual Parts List, Board Layout, and Schematics, CDCM7005QFN Evaluation Module, CDCM7005EVMQFN−SCH

Contents

HPA/High Speed Communications User’s GuideCDCM7005 QFN Package Evaluation Module Manual 2005Products IMPORTANT NOTICEApplications EVM IMPORTANT NOTICE EVM WARNINGS AND RESTRICTIONS How to Use This Manual CDCM7005 Data Sheet, SCAS793, Texas InstrumentsRead This First Preface1 Introduction Contents6 Parts List, Board Layouts, and Schematics 2 Quick StartTables Figures3−1 Filter Configurations Topic IntroductionChapter Page⎟ ⎟ ⎟ ⎟ ⎟ 6 ⎟ 1.1 CDCM7005 Functional Block DiagramCDCM7005 Functional Block Diagram ⎟ 4 oQuick Start ChapterTopic EVM HardwarePage Chapter3.2.1 Power Supply P1, P2 3.1 Board View and Connector Location3.2 Hardware Configuration 3.2.2 Onboard Switches and Indicators SW1−SW2, D1−D43.2.4 Loop Filter J32−J34 Table 3−1. Filter Configurations3.2.3 Programming Interfaces J30, J31 Default setting Passive Loop Filter3.2.6 VCXO Inputs and Outputs J16−J18 3.2.7 AC-Coupling at PRIREF C1, R4, R6 and SECREF C5, R13, R15Page Serial Peripheral Interface SPI SoftwareChapter Topic4.1 Functional Description 4.2 Software InstallationFollow the steps below in order to install the SPI control software Figure 4−1. Screen ViewChapter Application Circuit DiagramThis chapter discusses the application circuit diagram TopicFigure 5−1. CDCM7005 With a Passive Loop Filter Configuration 5.1 Application Circuit Diagram5.1.1 Passive Loop Filter Application Circuit Diagram 5.1.2 External Active Loop Filter Using OPA341Figure 5−2. CDCM7005 With a External Active Loop Filter Using OPA341 Application Circuit DiagramSchematics Parts List, Board Layout, and SchematicsParts List ChapterFootprint Parts ListParts List Part NumberFootprint Parts ListParts List, Board Layout, and Schematics Part NumberPart Number Parts ListFootprint DesignatorParts List 6.2 Board LayoutFigure 6−1. Component View and Silkscreen Top View Parts List, Board Layout, and SchematicsFigure 6−2. Component View and Silkscreen Bottom View Parts ListParts List Figure 6−3. Top Layer ViewParts List, Board Layout, and Schematics Figure 6−4. Bottom Layer View Parts ListParts List Figure 6−5. Ground Plane ViewParts List, Board Layout, and Schematics Figure 6−6. Power Layer View 6.3 SchematicsParts List 6-11 ve RParts ListParts List, Board Layout, and Schematics ModuleCDCM7005EVMQFN−SCH ListCDCM7005QFN Evaluation Module Parts SchematicsPassive Filter Default Setting short pin 1 & 3 on J3 2, J33 PartsListCDCM7005QFN Evaluation Module ListCDCM7005EVMQFN−SCH A CDCM7005QFN Evaluation Module Parts List, Board Layout, and SchematicsCDCM7005EVMQFN−SCH

CDCM7005_QFN Evaluation Module