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Bit 0 (LSB)

Bit 1

Bit 2

Bit 3

Bit 4

Bit 5

Bit 6

Bit 7

Bit 15 (MSB)

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

6

7

8

9

10

11

12

13

14

23

22

21

20

19

18

17

16

15

ADS8515

BYTE LOW

Bit 8

Bit 9

Bit 10

Bit 11

Bit 12

Bit 13

Bit 14

Bit 15 (MSB)

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0 (LSB)

6

7

8

9

10

11

12

13

14

23

22

21

20

19

18

17

16

15

ADS8515

BYTE HIGH

+5 V

BUSY

R/C

MODE

Acquire

Convert

Convert

DATA BUS

Previous

Data Valid

Hi−Z

Data Valid

Hi−Z

Previous

Data Valid

Not Valid

Acquire

Data Valid

Hi−Z State

BUSY

R/C

DATA BUS

MODE Acquire

Data Valid

Hi−Z State

Convert

Acquire

CS

ADS8515

SLAS460A – JUNE 2007 – REVISED NOVEMBER 2007

Figure 20. Bit Locations Relative to State of BYTE (Pin 23)

Figure 21. Conversion Timing with Outputs Enabled after Conversion (CS Tied Low)

Figure 22. Using CS to Control Conversion and Read Timing

Copyright © 2007, Texas Instruments Incorporated

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