Texas Instruments ADS5231 EVM Скачать руководство пользователя страница 1 | Manualshive

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ADS5231/32 EVM

User's Guide

June 2007

Wireless Infrastructure - Radio

SBAU111A

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Содержание ADS5231 EVM

Страница 1: ...ADS5231 32 EVM User s Guide June 2007 Wireless Infrastructure Radio SBAU111A ...

Страница 2: ...2 SBAU111A May 2006 Revised June 2007 Submit Documentation Feedback ...

Страница 3: ... 6 3 EVM Use With the TSW1100 8 3 1 Connecting to the TSW1100 8 3 2 Provide Power to the ADS5231 32 EVM 8 3 3 Providing Power to the TSW1100 8 3 4 Connecting to the USB 9 3 5 Launching the TSW1100 Software 9 3 6 Using the TSW1100 Software 9 4 Physical Description 9 4 1 PCB Layout 10 5 Parts List and Schematics 16 SBAU111A May 2006 Revised June 2007 Table of Contents 3 Submit Documentation Feedback...

Страница 4: ...er 4 Power Plane 2 13 5 Layer 5 Ground Plane 14 6 Layer 6 Bottom Layer 15 List of Tables 1 Three Pin Jumper List 6 2 Output Connectors J8 and J21 7 3 Test Point Descriptions 8 4 ADS5231 32 EVM Parts List 16 4 List of Figures SBAU111A May 2006 Revised June 2007 Submit Documentation Feedback ...

Страница 5: ...e ended or true differential clock if desired Digital outputs from the EVM are via two 40 pin connectors The digital outputs from the ADC are buffered before going to the connectors The digital output connectors can be mated to TI s TSW1100 for digital capture Power connections to the EVM are via banana jack sockets Separate sockets are provided for the ADC analog and output driver supplies extern...

Страница 6: ...oltage path Provide common mode voltage Provide common mode voltage 2 3 to CHB differential amplifier to transformer T2 The schematic diagram for the EVM is attached to the end of this document The following paragraphs describe the function of individual circuits See the ADS5232 Dual 12 Bit 65MSPS 3 3V Analog to Digital Converter data sheet SBAS294 or the ADS5231 Dual 12 Bit 40MSPS 3 3V Analog to ...

Страница 7: ...ed between pins 1 and 2 the ADC is in internal reference mode The device is in external reference mode with jumper W1 installed between pins 2 and 3 When using the external reference mode install R3 and R4 Use the potentiometers R17 and R18 to adjust the corresponding top reference and bottom reference For convenience two test points TP6 and TP7 allow monitoring the voltage while using the externa...

Страница 8: ...age typical 1 V TP7 Bottom reference voltage when forcing external voltage typical 2 V The ADS5231 32 EVM allows for connection to the TSW1100 allowing easy capture and analysis of the ADC digital output data See the TSW1100 Data Capture Board Quick Start Guide SLAU155 and TSW1100 User s Guide SLAU164 for more information Gently insert the ADS5231 32 EVM output connectors J8 and J21 into the TSW11...

Страница 9: ... the only lighted LED If at this point more than D13 is lighted depress the reset switch SW2 on the TSW1100 With the TSW1100 recognized by the hardware device manager the software package can be run To run the program click on Start Program Files Texas Instruments TI ADC Capture Card Using the TI chip selector select the ADS5231 32 The software then configures itself for operation with the ADS5231...

Страница 10: ...M is constructed on a 6 layer 5 15 inch 5 05 inch 0 062 inch thick PCB using FR 4 material The individual layers are shown in Figure 1 through Figure 6 Figure 1 Top Layer 10 ADS5231 32 EVM SBAU111A May 2006 Revised June 2007 Submit Documentation Feedback ...

Страница 11: ...www ti com Physical Description Figure 2 Layer 2 Ground Plane SBAU111A May 2006 Revised June 2007 ADS5231 32 EVM 11 Submit Documentation Feedback ...

Страница 12: ...www ti com Physical Description Figure 3 Layer 3 Power Plane 1 12 ADS5231 32 EVM SBAU111A May 2006 Revised June 2007 Submit Documentation Feedback ...

Страница 13: ...www ti com Physical Description Figure 4 Layer 4 Power Plane 2 SBAU111A May 2006 Revised June 2007 ADS5231 32 EVM 13 Submit Documentation Feedback ...

Страница 14: ...www ti com Physical Description Figure 5 Layer 5 Ground Plane 14 ADS5231 32 EVM SBAU111A May 2006 Revised June 2007 Submit Documentation Feedback ...

Страница 15: ...www ti com Physical Description Figure 6 Layer 6 Bottom Layer SBAU111A May 2006 Revised June 2007 ADS5231 32 EVM 15 Submit Documentation Feedback ...

Страница 16: ... Panasonic R82 R83 383 Ω resistor 1 16 W 1 2 ERJ 6ENF3830V Panasonic R28 R33 392 Ω resistor 1 16 W 1 4 ERJ 6ENF3920V Panasonic R35 R36 R40 R41 412 Ω resistor 1 16 W 1 2 ERJ 6ENF4120V Panasonic R19 R22 0 Ω resistor 1 16 W 1 3 ERJ 3GEY0R00V Panasonic C1 R42 R102 R3 R4 R5 R6 R8 R9 100 Ω resistor 1 16 W 1 6 ERJ 3EKF1000V Panasonic R23 R24 R74 R75 R78 R79 24 9 Ω resistor 1 16 W 1 4 ERJ 3EKF24R9V Panaso...

Страница 17: ... ADS5231 or TI U1 ADS5232 THS4503 2 THS4503ID TI U2 U9 OPA2227UA 1 OPA2227UA TI U3 TPS79225 1 TPS79225 TI U4 SN74AVC16244 2 SN74AVC16244DGG TI U7 U10 Screw machine PH 4 40 3 8 4 PMS 440 0038 PH Building Fasteners Standoff hex 5 4 40THR nylon 4 1902C Keystone Electronic SBAU111A May 2006 Revised June 2007 ADS5231 32 EVM 17 Submit Documentation Feedback ...

Страница 18: ...3 CLK 24 GND 25 DVa 26 A12 LSB 27 A11 28 A10 29 A9 30 A8 31 A7 32 A6 33 A5 34 A4 35 A3 36 A2 37 A1 MSB 38 OVRa 39 VDRV 40 MSBI 41 OEa_ 42 VDRV 43 GND 44 STPD 45 AVDD 46 AGND 47 AGND 48 AGND 49 INa 50 INa_ 51 CM 52 REFT 53 REFB 54 GND 55 INT EXT_ 56 AVDD 57 AGND 58 AGND 59 ISET 60 AGND 61 INb_ 62 INb 63 AGND 64 U1 ADS5232 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12...

Страница 19: ... R12 0 R19 412 R28 383 R36 392 R35 392 INA INA_ VCC VCC R45 24 9 R43 24 9 3 1 2 SJP1 Note 1 Part not installed Note 1 C94 01uF 2 3 AINA AINA C70 1uF C80 1uF C97 01uF 1 2 3 4 5 J16 AIN_B R71 49 9 INPUT_CMLB R79 24 9 R78 24 9 C108 27pF INB INB_ INB INB_ Sh 1 Sh 1 5 4 8 1 2 VOCM VOUT VOUT 3 6 VCC VCC 7 NC U9 THS4503 1 2 3 4 5 J9 1 2 3 4 5 J7 R83 54 9 R14 0 R22 412 R33 383 R41 392 R40 392 INB INB_ VCC...

Страница 20: ...4 1Y3 5 1Y4 6 VCC 7 2Y1 8 2Y2 9 GND 10 2Y3 11 2Y4 12 3Y1 13 3Y2 14 GND 15 3Y3 16 3Y4 17 VCC 18 4Y1 19 4Y2 20 GND 21 4Y3 22 4Y4 23 4OEB 24 3OEB 25 4A4 26 4A3 27 GND 28 4A2 29 4A1 30 VCC 31 3A4 32 3A3 33 GND 34 3A2 35 3A1 36 2A4 37 2A3 38 GND 39 2A2 40 2A1 41 VCC 42 1A4 43 1A3 44 GND 45 1A2 46 1A1 47 2OEB 48 U7 SN74AVC16244DGG Note 1 Part not installed DAO1 DAO2 DAO3 DAO4 DAO5 DAO6 DAO7 DAO8 DAO9 DA...

Страница 21: ..._OUT DRVDD 1OEB 1 1Y1 2 1Y2 3 GND 4 1Y3 5 1Y4 6 VCC 7 2Y1 8 2Y2 9 GND 10 2Y3 11 2Y4 12 3Y1 13 3Y2 14 GND 15 3Y3 16 3Y4 17 VCC 18 4Y1 19 4Y2 20 GND 21 4Y3 22 4Y4 23 4OEB 24 3OEB 25 4A4 26 4A3 27 GND 28 4A2 29 4A1 30 VCC 31 3A4 32 3A3 33 GND 34 3A2 35 3A1 36 2A4 37 2A3 38 GND 39 2A2 40 2A1 41 VCC 42 1A4 43 1A3 44 GND 45 1A2 46 1A1 47 2OEB 48 U10 SN74AVC16244DGG Note 1 Part not installed DBO1 DBO2 DB...

Страница 22: ...er Supply 3 3V 3 3VA PS ADC_BUFFER ADS5232 A 5 6 J11 RED J10 BLACK FB1 FB5 J17 RED J18 BLACK C83 10uF C75 47uF C87 10uF C81 47uF C65 1uF C89 1uF TP3 TP4 J SETON Y DEWONCK TP1 Note 1 Part not installed VCC J14 RED J12 BLACK FB2 C27 10uF C21 47uF C13 1uF FB3 C23 10uF C19 47uF C15 1uF J13 RED VCC C74 1uF DRVDD Buffer Supply 3 3V FB6 C88 10uF C82 47uF FB4 Note 1 Diff Amp Positive Supply 5 0V Diff Amp ...

Страница 23: ...uF VCC R29 2K R15 2K R16 4 99K 1 2 3 R17 1K R20 10K C41 1uF R23 100 C42 1uF C33 470pF C50 047uF C44 1uF VCC R7 49 9 R26 2K R21 10K R34 4 99K C43 1uF C34 470pF VCC TP6 TP7 C46 10uF C47 10uF 1 2 3 R18 1K C48 10uF R24 100 C51 047uF R13 49 9 R27 2K 0 1 0 1 EN 3 BYPASS 4 OUT 5 GND 2 IN 1 U4 TPS79225 C55 01uF 2 5V REFT REFB REFT REFB Sh 1 Sh 1 2 3 1 8 4 U3A OPA2227UA 5 6 7 U3B OPA2227UA C7 1uF C8 1uF C1...

Страница 24: ...ER WARRANTIES EXPRESSED IMPLIED OR STATUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE The user assumes all responsibility and liability for proper and safe handling of the goods Further the user indemnifies TI from all claims arising from the handling or use of the goods Due to the open construction of the product it is the user s responsibility to take any a...

Страница 25: ...operation and or irreversible damage to the EVM If there are questions concerning the input range please contact a TI field representative prior to connecting the input power Applying loads outside of the specified output range may result in unintended operation and or possible permanent damage to the EVM Please consult the EVM User s Guide prior to connecting any load to the EVM output If there i...

Страница 26: ...ice and is an unfair and deceptive business 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 Buyer...

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