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Texas Instruments ADS8371EVM, User Manual, Page: 18 / 33

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Texas Instruments ADS8371EVM User Manual Download Page 18

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Summary of Contents for ADS8371EVM

Page 1: ...ADS8371EVM August 2004 Data Acquistion User s Guide SLAU137A...

Page 2: ...ute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual pro...

Page 3: ...handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s r...

Page 4: ...there is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 60 C The EVM is desi...

Page 5: ...Interface Chapter 4 Power Supply Requirements Chapter 5 Using the EVM Chapter 6 ADS8371EVM BOM Layout and Schematic Related Documentation From Texas Instruments To obtain a copy of any of the followi...

Page 6: ...of part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in other en vironments may cause interference with radio co...

Page 7: ...erence 2 3 3 Digital Interface 3 1 4 Power Supply Requirements 4 1 5 Using the EVM 5 1 5 1 As a Reference Board 5 2 5 2 As a Prototype Board 5 2 5 3 As a Software Test Platform 5 2 6 ADS8371EVM BOM La...

Page 8: ...ayer 4 6 8 Tables 2 1 Analog Input Connector 2 1 2 2 Solder Short Jumper Setting 2 3 3 1 Pinout for Parallel Control Connector P2 3 1 3 2 Jumper Settings 3 2 3 3 Data Bus Connector P3 3 2 3 4 Pinout f...

Page 9: ...1 1 EVM Overview EVM Overview This chapter contains the features of the ADS8371EVM Topic Page 1 1 Features 1 1 Chapter 1...

Page 10: ...aluation board for the high speed ADS8371 16 bit single channel parallel interface SAR type analog to digital converters Onboard signal conditioning Onboard reference Input and output digital buffer O...

Page 11: ...the center pin of SMA connector J1 Table 2 1 Analog Input Connector Description Signal Name Connector Pin Signal Name Description Pin tied to Ground AGND P1 1 P1 2 Noninverting Input Channel Reserved...

Page 12: ...ADS8371EVM meets the 100 kHz AC performance specifications listed in the data sheet The series resistor works with the capacitor to filter the input signal but also isolates the amplifier from the 68...

Page 13: ...iring the voltage reference through the amplifier gains the 2 5 V reference up to 4 096 V The ADS8371EVM ships with 4 096 V connected to the reference pin of the converter See Chapter 6 for a full sch...

Page 14: ...2 4...

Page 15: ...A1 Address line from processor P2 11 A2 Address line from processor P2 13 P2 15 P2 17 P2 19 INTc Set jumper W4 to select BUSY or inverted signal to be applied to this pin Note All even numbered pins o...

Page 16: ...it 4 P3 11 D5 Buffered Data Bit 5 P3 13 D6 Buffered Data Bit 6 P3 15 D7 Buffered Data Bit 7 P3 17 D8 Buffered Data Bit 8 P3 19 D9 Buffered Data Bit 9 P3 21 D10 Buffered Data Bit 10 P3 23 D11 Buffered...

Page 17: ...Apply 3 3 V or 5 0 V See ADC data sheet for full range TP10 DGND Digital ground TP9 AVCC Apply 5 0 V TP5 VA Apply 6 0 V Positive supply for amplifier TP3 VA Apply 6 0 V Negative supply for amplifier T...

Page 18: ...4 2...

Page 19: ...The ADS8371EVM serves three functions 1 As a reference design 2 As a prototype board and 3 As software test platform Topic Page 5 1 As a Reference Board 5 2 5 2 As a Prototype Board 5 2 5 3 As a Softw...

Page 20: ...t shorts the minus supply pin of the amplifier to ground Positive supply voltage can be applied via test point TP5 or connector J3 pin 1 5 3 As a Software Test Platform As a software test platform con...

Page 21: ...ic ADS8371EVM BOM Layout and Schematic This chapter contains the ADS8371EVM bill of materials the layouts and the schematic Topic Page 6 1 ADS8371EVM Bill of Materials 6 2 6 2 ADS8371EVM Layout 6 5 6...

Page 22: ...1 16W 1 0603 SMD 1 768 R11 603 Panasonic ECG or Alternate ERJ 3EKF7680V RES 768 1 16W 1 0603 SMD 1 12 R12 805 Panasonic ECG or Alternate ERJ 6GEYJ120V RES 12 1 8W 5 0805 SMD 1 49 9 R14 805 Panasonic E...

Page 23: ...AP 10 F 25 V Tantalum TE SMD 1 47 F C42 1206 TDK Corporation or Alternate C3216X5R0J476M CAP CER 47 F 6 3 V X5R 20 1206 1 100 RP1 CTS_742 CTS Corporation 742C163101JTR RES array 100 16 TRM 8RES SMD 2...

Page 24: ...SMT plug top side of PWB 1 18X2X 1_SM T_PLUG_ _ P3 16X2X 1_SMT_PL UG_ _SOCKET Samtec SSW 116 22 S D VS 0 025 SMT socket bottom side of PWB SOCKET Samtec TSM 116 01 T D V P 0 025 SMT plug top side of...

Page 25: ...ADS8371EVM Layout 6 5 ADS8371EVM BOM Layout and Schematic 6 2 ADS8371EVM Layout Figure 6 1 Top Layer Layer 1...

Page 26: ...ADS8371EVM Layout 6 6 Figure 6 2 Ground Plane Layer 2...

Page 27: ...ADS8371EVM Layout 6 7 ADS8371EVM BOM Layout and Schematic Figure 6 3 Power Plane Layer 3...

Page 28: ...ADS8371EVM Layout 6 8 Figure 6 4 Bottom Layer Layer 4...

Page 29: ...ADS8371EVM Schematic 6 9 ADS8371EVM BOM Layout and Schematic 6 3 ADS8371EVM Schematic The schematic follows this page...

Page 30: ...5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 P1 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 2...

Page 31: ...8 U10 REF1004 2 5 5VCC C47 NI C46 NI C42 47uF EXT_REF R10 100 VCC C41 1uF C40 0 1uF VCC IN 1 OUT 2 GND 3 U3 NI 5VCC DB 15 0 TP1 3 1 2 SJP5 3 1 2 SJP6 1 2 SJP7 R13 0 C11 10uF C10 6800pF C15 0 47uF R9 0...

Page 32: ...R A1 A2 A3 A4 A5 A6 A7 A8 B1 B2 B3 B4 B5 B6 B7 B8 VCC GND U9 SN74AHC245PWR C61 0 1uF DB 15 0 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 B_DB15 B_DB14 B_DB13 B_DB12 B_DB11 B_...

Page 33: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments ADS8371EVM...

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