AD7484

Rev. C | Page 5 of 20

TIMING CHARACTERISTICS

unless otherwise noted.

Table 2.

Parameter1

Symbol

Min

Typ

Max

Unit

DATA READ

Conversion Time

300

ns

Quiet Time Before Conversion Start

100

ns

CONVST

Pulse Width

5

100

ns

CONVST Falling Edge to

BUSY Falling Edge

20

ns

CS Falling Edge to

RD Falling Edge

0

ns

Data Access Time

25

ns

CONVST

Falling Edge to New Data Valid

30

ns

BUSY

Rising Edge to New Data Valid

5

ns

Bus Relinquish Time

10

ns

RD Rising Edge to

CS Rising Edge

0

ns

CS

Pulse Width

30

ns

RD

Pulse Width

30

ns

DATA WRITE

WRITE Pulse Width

5

ns

Data Setup Time

2

ns

Data Hold Time

6

ns

CS

Falling Edge to WRITE Falling Edge

5

ns

WRITE Falling Edge to CS

Rising Edge

0

ns

1

All timing specifications given are with a 25 pF load capacitance. With a load capacitance greater than this value, a digital buffer or latch must be used.