Datasheet

t
START
START
SCLK
CS
RESET
t
RESET
t
RHSC
ADS1146
ADS1147
ADS1148
www.ti.com SBAS453F –JULY 2009–REVISED APRIL 2012
Figure 3. Minimum START Pulse Width
Timing Characteristics for Figure 3
SYMBOL DESCRIPTION MIN MAX UNIT
t
START
START pulse width high 3 t
OSC
Figure 4. Reset Pulse Width and SPI Communication After Reset
Timing Characteristics for Figure 4
SYMBOL DESCRIPTION MIN MAX UNIT
t
RESET
RESET pulse width low 4 t
OSC
t
RHSC
RESET high to SPI communication start 0.6
(1)
ms
(1) For f
OSC
= 4.096MHz, scales proportionately with f
OSC
frequency.
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