AD7609 Просмотр технического описания (PDF) - Analog Devices
Номер в каталоге
Компоненты Описание
производитель
AD7609 Datasheet PDF : 36 Pages
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AD7609
Parameter
t13
t143
t15
t16
t17
SERIAL READ OPERATION
fSCLK
t18
t19 3
t20
t21
t22
t23
FRSTDATA OPERATION
t24
t25
t26
Data Sheet
Limit at TMIN, TMAX
Min Typ Max
19
24
30
37
19
24
30
37
6
6
22
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Description
Delay from CS until DB[15:0] three-state disabled
VDRIVE above 4.75 V
VDRIVE above 3.3 V
VDRIVE above 2.7 V
VDRIVE above 2.3 V
Data access time after RD falling edge
VDRIVE above 4.75 V
VDRIVE above 3.3 V
VDRIVE above 2.7 V
VDRIVE above 2.3 V
Data hold time after RD falling edge
CS to DB[15:0] hold time
Delay from CS rising edge to DB[15:0] three-state enabled
0.4 tSCLK
0.4 tSCLK
7
Frequency of serial read clock
20 MHz VDRIVE above 4.75 V
15 MHz VDRIVE above 3.3 V
12.5 MHz VDRIVE above 2.7 V
10 MHz VDRIVE above 2.3 V
Delay from CS until DOUTA/DOUTB three-state disabled/delay from CS until
MSB valid
18 ns VDRIVE above 4.75 V
23 ns VDRIVE above 3.3 V
35 ns VDRIVE = 2.3 V to 2.7 V
Data access time after SCLK rising edge
20 ns VDRIVE above 4.75 V
26 ns VDRIVE above 3.3 V
32 ns VDRIVE above 2.7 V
39 ns VDRIVE above 2.3 V
ns SCLK low pulse width
ns SCLK high pulse width
SCLK rising edge to DOUTA/DOUTB valid hold time
22 ns CS rising edge to DOUTA/DOUTB three-state enabled
Delay from CS falling edge until FRSTDATA three-state disabled
18 ns VDRIVE above 4.75 V
23 ns VDRIVE above 3.3 V
30 ns VDRIVE above 2.7 V
35 ns VDRIVE above 2.3 V
ns Delay from CS falling edge until FRSTDATA high, serial mode
18 ns VDRIVE above 4.75 V
23 ns VDRIVE above 3.3 V
30 ns VDRIVE above 2.7 V
35 ns VDRIVE above 2.3 V
Delay from RD falling edge to FRSTDATA high
19 ns VDRIVE above 4.75 V
23 ns VDRIVE above 3.3 V
30 ns VDRIVE above 2.7 V
35 ns VDRIVE above 2.3 V
Rev. B | Page 8 of 36
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