Datasheet

Data Sheet AD7607
Rev. B | Page 7 of 32
Limit at T
MIN
, T
MAX
Parameter Min Typ Max Unit Description
t
13
Delay from
CS
until DB[15:0] three-state disabled
16 ns V
DRIVE
above 4.75 V
20 ns V
DRIVE
above 3.3 V
25 ns V
DRIVE
above 2.7 V
30 ns V
DRIVE
above 2.3 V
t
14
3
Data access time after
RD
falling edge
16 ns V
DRIVE
above 4.75 V
21 ns V
DRIVE
above 3.3 V
25 ns V
DRIVE
above 2.7 V
32 ns V
DRIVE
above 2.3 V
t
15
6 ns Data hold time after
RD
falling edge
t
16
6
ns
CS
to DB[15:0] hold time
t
17
22 ns Delay from
CS
rising edge to DB[15:0] three-state enabled
SERIAL READ OPERATION
f
SCLK
Frequency of serial read clock
23.5 MHz V
DRIVE
above 4.75 V
17 MHz V
DRIVE
above 3.3 V
14.5 MHz V
DRIVE
above 2.7 V
11.5 MHz V
DRIVE
above 2.3 V
t
18
Delay from
CS
until D
OUT
A/D
OUT
B three-state disabled/delay from
CS
until MSB valid
15 ns V
DRIVE
above 4.75 V
20 ns V
DRIVE
above 3.3 V
30 ns V
DRIVE
= 2.3 V to 2.7 V
t
19
3
Data access time after SCLK rising edge
17 ns V
DRIVE
above 4.75 V
23 ns V
DRIVE
above 3.3 V
27 ns V
DRIVE
above 2.7 V
34 ns V
DRIVE
above 2.3 V
t
20
0.4 t
SCLK
ns SCLK low pulse width
t
21
0.4 t
SCLK
ns SCLK high pulse width
t
22
7 SCLK rising edge to D
OUT
A/D
OUT
B valid hold time
t
23
22 ns
CS
rising edge to D
OUT
A/D
OUT
B three-state enabled
FRSTDATA OPERATION
t
24
Delay from
CS
falling edge until FRSTDATA three-state disabled
15 ns V
DRIVE
above 4.75 V
20 ns V
DRIVE
above 3.3 V
25 ns V
DRIVE
above 2.7 V
30 ns V
DRIVE
above 2.3 V
t
25
ns
Delay from
CS
falling edge until FRSTDATA high, serial mode
15 ns V
DRIVE
above 4.75 V
20 ns V
DRIVE
above 3.3 V
25 ns V
DRIVE
above 2.7 V
30 ns V
DRIVE
above 2.3 V
t
26
Delay from
RD
falling edge to FRSTDATA high
16 ns V
DRIVE
above 4.75 V
20 ns V
DRIVE
above 3.3 V
25 ns V
DRIVE
above 2.7 V
30 ns V
DRIVE
above 2.3 V