AD7277BRM AD [Analog Devices], AD7277BRM Datasheet - Page 6

• Manufacturer Part Number: AD7277BRM
• Description: 3MSPS,12-/10-/8-Bit ADCs in 6-Lead TSOT
• Manufacturer: AD [Analog Devices]

Timing Example 1
From Figure 6, having f
333 ns. With t
t
TBD ns for t
Timing Example 2
Having f
With t
Figure 6, t
t
Figures 5 and 6 show some of the timing parameters from the Timing Specifications table.
ACQ
QUIET
AD7276/AD7277/AD7278
. Figure 6 shows that, t
SDATA
SCLK
2
satisfying the minimum requirement of TBD ns.
&6
SCLK
= TBD ns min, this leaves t
&6
SCLK
ACQ
THREE-
STATE
QUIET
2
= 20 MHz and a throughput of 1.5 MSPS, gives a cycle time of t
comprises of 2.5(1/f
= TBD ns min, this leaves t
t
2
t
Z
2 LEADING
2
satisfying the minimum requirement of TBD ns.
t
3
ZERO’S
1
1
ZERO
SCLK
ACQ
2
2
DB11
= 52 MHz and a throughput of 3MSPS, gives a cycle time of t
comprises of 2.5(1/f
SCLK
3
3
PRELIMINARY TECHNICAL DATA
ACQ
DB10
12.5(1/fSCLK)
) + t
Figure 5. AD7276 Serial Interface Timing Diagram
t
convert
to be TBD ns. This TBD ns satisfies the requirement of TBD ns for t
t
convert
4
4
8
Figure 6. Serial Interface Timing Example
DB9
ACQ
t
4
+ t
t
6
QUIET
to be TBD ns. This TBD ns satisfies the requirement of TBD ns for
5
5
SCLK
t
7
, where t
1/THROUGHPUT
) + t
12
1/ THROUGHPUT
DB1
–6–
8
13
+ t
8
13
= TBD ns max. This allows a values of TBD ns for
B
B
QUIET
DB0
14
, where t
14
t
5
ZERO
2 TRAILING
ZERO’S
15
Preliminary Technical Data
15
8
ZERO
= TBD ns max. This allows a value of
2
t
+ 12.5(1/f
8
16
t
16
acquisition
t
8
THREE-STATE
SCLK
2
t
quiet
) + t
+ 12.5(1/f
t
quiet
t
1
ACQ
t
1
= 666 ns.
SCLK
) + t
ACQ
REV. PrF
. From
ACQ
=