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APPLICATION INFORMATION (continued)

FS

SDO

D15

1

2

3

16

SCLK

D13

D14

D1

D2

D0

SAMPLE

CONVERT

BUSY

CONVERT

80 ns

DEVICE STATE

Frequency = 600 kHz

485 ns

50 ns

15 ns

15 ns

25 ns

12.5 ns

MSBn

CS = 0

CONVST

LSBn−1

LSBn

D0

15

ADS8370

SLAS450 – JUNE 2005

It is also possible to use the frame sync signal, FS. The following timing diagram shows how to achieve a

600-KSPS throughput using a modified serial interface with FS active.

Figure 57. Example Stimulus in Serial Interface With FS Active, Back-To-Back Conversion that Achieves

600 KSPS

27

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