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RESET (Pin 35)
t
1
10 ms
t
2
2 ms t
3
2 ms
SEN Active
Power Supply
(AV
DD
, DRV
DD
)
RESET TIMING CHARACTERISTICS
Production Data
ADS5541
SBAS307C MAY 2004 REVISED FEBRUARY 2007
Figure 2. Reset Timing Diagram
Typical values given at T
A
= +25°C, min and max specified over the full temperature range of –40°C to +85°C, AV
DD
= DRV
DD
= 3.3V, and
3V
PP
differential clock, unless otherwise noted.
ADS5541
PARAMETER DESCRIPTION MIN TYP MAX UNIT
Switching Specification
t
1
Power-on delay Delay from power-on of AV
DD
and DRV
DD
to RESET pulse 10 ms
t
2
Reset pulse width Pulse width of active RESET signal 2 µ s
t
3
Register write delay Delay from RESET disable to SEN active 2 µ s
Power-up time Delay from power-up of AV
DD
and DRV
DD
to output stable 40 ms
7
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