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Schematic, PCB Layout, and Bill of Materials

Figure 10. Bottom Layer (Solder Side)

PCM4201EVM User's Guide

SBAU108A – January 2005 – Revised February 2005

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Summary of Contents for PCM4201EVM

Page 1: ...bill of materials BOM for the EVM Contents 1 Introduction 2 2 Getting Started 5 3 Hardware Description and Configuration 6 4 Schematic PCB Layout and Bill of Materials 10 List of Figures 1 PCM4201 Functional Block Diagram 2 2 PCM4201EVM Functional Block Diagram 3 3 Transmitter Reset Circuitry 9 4 PCM4201EVM Schematic 11 5 Top Side Silkscreen 12 6 Bottom Side Silkscreen 13 7 Top Layer Component Sid...

Page 2: ...orts sampling frequencies up to 108kHz and is provided for those cases where higher sampling rates may be required A digital high pass filter is included for DC removal Dedicated control pins are included for sampling mode selection Slave Master mode port operation digital high pass filter enable disable and reset power down functions A 5V power supply is required for the analog section of the dev...

Page 3: ... 576MHz support 44 1kHz 48kHz 88 2kHz and 96kHz sampling rates and all three sampling modes of the PCM4201 An external clock input allows operation at alternative sampling frequencies As shipped the PCM4201EVM requires 15V 15V and 5V analog power supplies Options are provided to operate the analog section from a single power supply by utilizing alternative op amps for the input buffer circuit A 5V...

Page 4: ...smitter The system or master clock for the evaluation module may be generated onboard or by an external clock source Oscillators X1 and X2 operate at fixed clock frequencies of 22 5792MHz and 24 576MHz respectively The oscillators provide low jitter clock sources for measuring the performance of the PCM4201 in Master mode operation Alternatively an external clock source may be connected at J4 for ...

Page 5: ...EVM package please check to make sure that these items are included One PCM4201EVM evaluation module One printed copy of the PCM4201 product datasheet One printed copy of this PCM4201EVM User s Guide If any of these items are missing please contact the TI Product Information Center in your region CAUTION Exceeding the absolute operating conditions may result in damage to the evaluation module and ...

Page 6: ...l port interface at header J3 when operating VDD at voltages lower than 2 0V The PCM4201EVM includes a Neutrik combo XLR connector J1 which accepts either a 3 pin male XLR or a 1 4 inch TRS phono plug The analog input can accept up to a 18 5VPP differential input signal This signal is then attenuated by a factor of 3 7 by the input buffer circuit which corresponds to the 5 0VPP full scale differen...

Page 7: ... with power dissipation just slightly higher than the Normal Speed High Performance mode The modulator oversampling rate is 64fS for this mode The sampling mode is selected using the RATE VDD and RATE GND elements of switch SW1 Table 3 shows the settings required for each sampling mode Table 3 Sampling Mode Selection RATE VDD RATE GND SAMPLING MODE OFF ON Double Speed ON OFF Normal Speed Low Power...

Page 8: ...guration S M AUDIO SERIAL PORT SLAVE MASTER MODE LO Master HI Slave Slave or Master Mode audio serial port operation also dictates the required rate of the system clock SCKI supported for various sampling modes A summary of the supported rates is shown in Table 6 and Table 7 Table 6 System Clock Rates for Master Mode Operation SCKI RATE SAMPLING MODE WITH MASTER MODE AUDIO SERIAL PORT 512fS Normal...

Page 9: ...le 9 Transmitter Master Clock Configuration DITCLK TRANSMITTER MASTER CLOCK RATE LO 256fS HI 512fS The PCM4201EVM includes two reset switches SW2 and SW3 Both are momentary contact normally open pushbutton switches Switch SW2 provides the manual reset for the PCM4201 while switch SW3 provides the manual reset the DIT4096 digital interface transmitter The PCM4201 may be reset at any time by momenta...

Page 10: ...and physical layout information for the PCM4201EVM The bill of materials BOM is included as a component reference Note Board layouts are not to scale These figures are intended to show how the board is laid out they are not intended to be used for manufacturing PCM4201EVM PCBs PCM4201EVM User s Guide 10 SBAU108A January 2005 Revised February 2005 ...

Page 11: ...l of Materials The electrical schematic for the PCM4201EVM is shown in Figure 4 The components shown in the schematic are listed in Table 10 for reference Figure 4 PCM4201EVM Schematic PCM4201EVM User s Guide SBAU108A January 2005 Revised February 2005 11 ...

Page 12: ... layer structure Layer 1 Top component side Layer 2 Ground plane Layer 3 Power Layer 4 Bottom solder side Figure 5 through Figure 10 show the top and bottom side silkscreen images along with top ground plane power and bottom layers of the PCB Figure 5 Top Side Silkscreen PCM4201EVM User s Guide 12 SBAU108A January 2005 Revised February 2005 ...

Page 13: ...www ti com Schematic PCB Layout and Bill of Materials Figure 6 Bottom Side Silkscreen PCM4201EVM User s Guide SBAU108A January 2005 Revised February 2005 13 ...

Page 14: ...www ti com Schematic PCB Layout and Bill of Materials Figure 7 Top Layer Component Side PCM4201EVM User s Guide 14 SBAU108A January 2005 Revised February 2005 ...

Page 15: ...www ti com Schematic PCB Layout and Bill of Materials Figure 8 Ground Layer PCM4201EVM User s Guide SBAU108A January 2005 Revised February 2005 15 ...

Page 16: ...www ti com Schematic PCB Layout and Bill of Materials Figure 9 Power Plane Layer PCM4201EVM User s Guide 16 SBAU108A January 2005 Revised February 2005 ...

Page 17: ...www ti com Schematic PCB Layout and Bill of Materials Figure 10 Bottom Layer Solder Side PCM4201EVM User s Guide SBAU108A January 2005 Revised February 2005 17 ...

Page 18: ... Phono Jack Black Shell 13 J6 1 Weidmuller 1699680000 3 5mm PCB Terminal Block 3 poles 14 JMP1 JMP2 2 Samtec TSW 102 07 G S Terminal Strip 2 pin 2x1 15 JMP4 1 Samtec TSW 102 07 G D Terminal Strip 4 pin 2x2 16 0 R12 R13 2 Panasonic ERJ 6GEY0R00V Chip Resistor 0W Shunt Size 0805 17 40 2 R10 R11 2 Panasonic ERJ 6ENF40R2V Chip Resistor Thick Film 1 Toler ance 40 2W 1 10W Size 0805 18 121 R14 1 Panason...

Page 19: ...ansmitter Instruments 33 U8 1 Texas SN74LVC1G04PW Single Inverter Instruments 34 U9 1 Texas SN74LVC1G08DBV Single 2 Input Positive AND Gate Instruments 35 U10 1 Texas REG1117 3 3 Linear Voltage Regulator 3 3V Instruments 36 X1 1 Pletronics SM7745HSV 22 5792M 3 3V Surface Mount Clock Oscillator CMOS Output with Active High Enable 22 5792MHz 50ppm 37 X2 1 Pletronics SM7745HSV 24 576M 3 3V Surface Mo...

Page 20: ...ORTH ABOVE NEITHER PARTY SHALL BE Liable to the other FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES TI currently deals with a variety of customers for products and therefore our arrangement with the user is not exclusive TI assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein Please read...

Page 21: ...siness practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necess...

Page 22: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments PCM4201EVM ...

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