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ti

12500 TI Boulevard.  Dallas, Texas 75243

TITLE:

SHEET:

OF:

FILE:

SIZE:

REV:

Drawn By:

Engineer:

Revision History

REV

ECN Number

Approved

DOCUMENT CONTROL #:

3

3

Power & Digital Buffer

B

DATE:

12-Aug-2004

Power Supply & Digital Buffer Circuits

6448017

L1

BLM21AJ601SN1L

L3

BLM21AJ601SN1L

L2

BLM21AJ601SN1L

C39

1uF

C29

1uF

C36

0.01uF

C28

0.01uF

L4

BLM21AJ601SN1L

TP11

+5VCC

C49

0.01uF

C48

0.1uF

TP6

TP15

C57

0.01uF

C58

0.1uF

TP16

TP7

TP2

TP13

+VCC

-VCC

C43

10uF

C16

10uF

C38

10uF

C33

10uF

C37

1nF

C30

1nF

C59

1nF

C45

1nF

B_DB[15...0]

1

16

2

15

3

14

4

13

5

9

12

6

8

10

11

7

RP2

1K

/OE

DIR

A1
A2
A3
A4
A5
A6
A7
A8

B1
B2
B3
B4
B5
B6
B7
B8

VCC

GND

U8

SN74AHC245PWR

C62

0.1uF

B_RD

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16

2

15

3

14

4

13

5

9

12

6

8

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11

7

RP3

1K

+VBD

/OE

DIR

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_DB0

B_DB10

B_DB1

B_DB9

B_DB2

B_DB8

B_DB3

B_DB7

B_DB4

B_DB6

B_DB5

ADC_CS
ADC_RD
ADC_CONVST
BYTE

B_BUSY

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16

2

15

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14

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9

12

6

8

10

11

7

RP1

100

/OE

DIR

A1
A2
A3
A4
A5
A6
A7
A8

B1
B2
B3
B4
B5
B6
B7
B8

VCC

GND

U5

SN74AHC245PWR

+VBD

C21

0.1uF

ADC_CS

ADC_RD

ADC_CONVST

BYTE

R16

10k

R17

10k

R18

10k

+VBD

R19

10k

BUSY

B_CS
B_RD
B_CONVST
B_BYTE

+5VA

+VA

-VA

DB[15...0]

B_DB[15...0]

+BVDD

B_CS

B_BYTE

B_CONVST

B_RD

+

C27

10uF

+

C55

10uF

+

C44

10uF

+

C35

10uF

Lijoy Philipose

Lijoy Philipose

A

1

B

2

C

3

G1

6

G2A

4

G2B

5

Y0

15

Y1

14

Y2

13

Y3

12

Y4

11

Y5

10

Y6

9

Y7

7

VCC

16

GND

8

U7

SN74AHC138PWR

A0
A1
A2

A0

A2

A1

+VBD

C25

0.1uF

+VBD

+VBD

+VBD

B_RD

+VBD

+VBD

 

1

 

3

 

2

W2

 

1

 

3

 

2

W3

+VA

-VA

+5VA

+BVDD

DC_CS

DC_CS

TP14

R20
10k

+VBD

2

4

5

3

U6

SN74AHC1G04DBV

+VBD

C26

0.1uF

INTc

W4

B_BUSY

Содержание ADS8371EVM

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 14: ...2 4...

Страница 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...

Страница 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...

Страница 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...

Страница 18: ...4 2...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

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

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

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

Страница 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...

Страница 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...

Страница 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_...

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

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