CED1Z AD [Analog Devices], CED1Z Datasheet - Page 7

• Manufacturer Part Number: CED1Z
• Description: 8-/6-/4-Channel DAS with 16-Bit,Bipolar Input,Simultaneous Sampling ADC
• Manufacturer: AD [Analog Devices]

TIMING SPECIFICATIONS
AV
Table 3.
Parameter
PARALLEL/SERIAL/BYTE MODE
PARALLEL/BYTE READ
t
t
OPERATION
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CC
OS_SETUP
OS_HOLD
CYCLE
CONV
WAKE-UP STANDBY
WAKE-UP SHUTDOWN
RESET
1
2
3
4
5
6
7
8
9
10
11
12
3
Internal Reference
External Reference
= 4.75 V to 5.25 V, V
2
DRIVE
= 2.3 V to 5.25 V, V
Min
3.45
7.87
16.05
33
66
133
257
50
20
20
25
25
0
25
0
0
16
21
25
32
15
22
Limit at T
Typ
5
4
3
2
MIN
REF
, T
MAX
Max
5
9.7
4.15
9.1
18.8
39
78
158
315
100
30
13
40
0.5
25
= 2.5 V external reference/internal reference, T
Unit
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
ms
ms
ns
ns
ns
ns
ns
ns
ns
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Rev. 0 | Page 7 of 36
1/throughput rate
Parallel mode, reading during or after conversion; or serial mode: V
4.75 V to 5.25 V, reading during a conversion using D
Serial mode reading during conversion; V
Serial mode reading after a conversion; V
Conversion time
Oversampling by 32; AD7606
Oversampling by 64; AD7606
STBY rising edge to CONVST x rising edge; power-up time from
standby mode
STBY rising edge to CONVST x rising edge; power-up time from
shutdown mode
STBY rising edge to CONVST x rising edge; power-up time from
shutdown mode
BUSY to OS x pin setup time
BUSY to OS x pin hold time
CONVST x high to BUSY high
Minimum CONVST x low pulse
Minimum CONVST x high pulse
BUSY falling edge to CS falling edge setup time
Minimum delay between RESET low to CONVST x high
CS to RD setup time
CS to RD hold time
RD low pulse width
V
V
V
V
RD high pulse width
CS high pulse width (see
Description
Oversampling off; AD7606
Oversampling off; AD7606-6
Oversampling off; AD7606-4
Oversampling by 2; AD7606
Oversampling by 4; AD7606
Oversampling by 8; AD7606
Oversampling by 16; AD7606
RESET high pulse width
Maximum delay allowed between CONVST A, CONVST B rising edges
Maximum time between last CS rising edge and BUSY falling edge
DRIVE
DRIVE
DRIVE
DRIVE
above 4.75 V
above 3.3 V
above 2.7 V
above 2.3 V
AD7606/AD7606-6/AD7606-4
Figure 5 CS and RD linked
A
= T
);
MIN
to T
DRIVE
DRIVE
MAX
= 2.3 V, D
= 3.3 V
, unless otherwise noted.
OUT
OUT
A and D
A and D
OUT
OUT
B lines
B lines
DRIVE
1
=