AD7609BSTZ Analog Devices Inc, AD7609BSTZ Datasheet - Page 8

• Manufacturer Part Number: AD7609BSTZ
• Description: 58T8900
• Manufacturer: Analog Devices Inc

Specifications of AD7609BSTZ

• Resolution (bits): 18bit
• Sampling Rate: 250kSPS
• Input Channel Type: Differential
• Data Interface: Serial, SPI
• Supply Voltage Range - Analog: 4.75V To 5.25V
• Rohs Compliant: Yes

AD7609
Parameter
SERIAL READ OPERATION
FRSTDATA OPERATION
t
t
t
t
t
f
t
t
t
t
t
t
t
t
t
13
14
15
16
17
SCLK
18
19
20
21
22
23
24
25
26
3
3
Min
6
6
0.4 t
0.4 t
7
Limit at T
SCLK
SCLK
Typ
MIN
, T
MAX
Max
19
24
30
37
19
24
30
37
22
20
15
12.5
10
18
23
35
20
26
32
39
22
18
23
30
35
18
23
30
35
19
23
30
35
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Rev. 0 | Page 8 of 36
Description
Delay from CS until DB[15:0] three-state disabled
V
V
V
V
Data access time after RD falling edge
V
V
V
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
Frequency of serial read clock
V
V
V
V
Delay from CS until D
MSB valid
V
V
V
Data access time after SCLK rising edge
V
V
V
V
SCLK low pulse width
SCLK high pulse width
SCLK rising edge to D
CS rising edge to D
Delay from CS falling edge until FRSTDATA three-state disabled
V
V
V
V
Delay from CS falling edge until FRSTDATA high, serial mode
V
V
V
V
Delay from RD falling edge to FRSTDATA high
V
V
V
V
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
above 4.75 V
above 3.3 V
above 2.7 V
above 2.3 V
above 4.75 V
above 3.3 V
above 2.7 V
above 2.3 V
above 4.75 V
above 3.3 V
above 2.7 V
above 2.3 V
above 4.75 V
above 3.3 V
= 2.3 V to 2.7 V
above 4.75 V
above 3.3 V
above 2.7 V
above 2.3 V
above 4.75 V
above 3.3 V
above 2.7 V
above 2.3 V
above 4.75 V
above 3.3 V
above 2.7 V
above 2.3 V
above 4.75 V
above 3.3 V
above 2.7 V
above 2.3 V
OUT
OUT
OUT
A/D
A/D
A/D
OUT
OUT
OUT
B three-state enabled
B three-state disabled/delay from CS until
B valid hold time