Datasheet

AD5725 Data Sheet
Rev. C | Page 6 of 20
TIMING CHARACTERISTICS
1, 2
AV
DD
= +5 V/+15 V, AV
SS
= −5 V/0 V/−15 V, DGND = 0 V; V
REFP
= +2.5 V/+10 V; V
REFN
= −2.5 V/0 V/−10 V, V
L
= 5 V. All specifications
T
MIN
to T
MAX
, unless otherwise noted.
Table 4.
Parameter Limit at T
MIN
, T
MAX
Unit Description
t
WCS
10 ns min Chip Select Write Pulse Width
t
WS
0 ns min Write Setup, t
WCS
= 10 ns
t
WH
0 ns min Write Hold, t
WCS
= 10 ns
t
AS
0 ns min Address Setup
t
AH
0 ns min Address Hold
t
LS
5 ns min Load Setup
t
LH
5 ns min Load Hold
t
WDS
5 ns min Write Data Setup, t
WCS
= 10 ns
t
WDH
0 ns min Write Data Hold, t
WCS
= 10 ns
t
LDW
10 ns min Load Data Pulse Width
t
RESET
10
ns min
Reset Pulse Width
t
RCS
30 ns min Chip Select Read Pulse Width
t
RDH
0 ns min Read Data Hold, t
RCS
= 30 ns
t
RDS
0 ns min Read Data Setup, t
RCS
= 30 ns
t
DZ
15 ns max Data to High-Z, C
L
= 10 pF
t
CSD
35
ns max
Chip Select to Data, C
L
= 100 pF
1
All input control signals are specified with tr = tf = 5 ns (10% to 90% of +5 V) and timed from a voltage level of 1.6 V.
2
Guaranteed by design and characterization, not production tested.