Datasheet

Data Sheet AD7610
Rev. A | Page 5 of 32
TIMING SPECIFICATIONS
AVDD = DVDD = 5 V; OVDD = 2.7 V to 5.5 V; VCC = 15 V; VEE = −15 V; V
REF
= 5 V; all specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 3.
Parameter Symbol Min Typ Max Unit
CONVERSION AND RESET (See Figure 33 and Figure 34)
Convert Pulse Width t
1
10 ns
Time Between Conversions t
2
4 μs
CNVST Low to BUSY High Delay
t
3
35 ns
BUSY High (Except Master Serial Read After Convert) t
4
1.45 μs
Aperture Delay
t
5
2
ns
End of Conversion to BUSY Low Delay t
6
10 ns
Conversion Time t
7
1.45 μs
Acquisition Time t
8
380 ns
RESET Pulse Width t
9
10 ns
PARALLEL INTERFACE MODES (See Figure 35 and Figure 37)
CNVST Low to DATA Valid Delay
t
10
1.41 μs
DATA Valid to BUSY Low Delay t
11
20 ns
Bus Access Request to DATA Valid
t
12
40
ns
Bus Relinquish Time t
13
2 15 ns
MASTER SERIAL INTERFACE MODES
1
(See Figure 39 and Figure 40)
CS Low to SYNC Valid Delay
t
14
10
ns
CS Low to Internal SDCLK Valid Delay
1
t
15
10 ns
CS Low to SDOUT Delay
t
16
10 ns
CNVST Low to SYNC Delay, Read During Convert
t
17
560 ns
SYNC Asserted to SDCLK First Edge Delay t
18
3 ns
Internal SDCLK Period
2
t
19
30 45 ns
Internal SDCLK High
2
t
20
15 ns
Internal SDCLK Low
2
t
21
10 ns
SDOUT Valid Setup Time
2
t
22
4 ns
SDOUT Valid Hold Time
2
t
23
5 ns
SDCLK Last Edge to SYNC Delay
2
t
24
5 ns
CS High to SYNC HI-Z
t
25
10
ns
CS High to Internal SDCLK HI-Z
t
26
10 ns
CS High to SDOUT HI-Z
t
27
10 ns
BUSY High in Master Serial Read After Convert
2
t
28
See Table 4
CNVST Low to SYNC Delay, Read After Convert
t
29
1.31 μs
SYNC Deasserted to BUSY Low Delay t
30
25 ns
SLAVE SERIAL/SERIAL CONFIGURATION INTERFACE MODES
1
(See Figure 42,
Figure 43, and Figure 45)
External SDCLK, SCCLK Setup Time t
31
5 ns
External SDCLK Active Edge to SDOUT Delay t
32
2 18 ns
SDIN/SCIN Setup Time t
33
5 ns
SDIN/SCIN Hold Time t
34
5 ns
External SDCLK/SCCLK Period t
35
25 ns
External SDCLK/SCCLK High t
36
10 ns
External SDCLK/SCCLK Low
t
37
10
ns
1
In serial interface modes, the SDSYNC, SDSCLK, and SDOUT timings are defined with a maximum load C
L
of 10 pF; otherwise, the load is 60 pF maximum.
2
In serial master read during convert mode. See Table 4 for serial mode read after convert mode.