SX8724C Datasheet, PDF (9/67 Pages) Semtech Corporation – ZoomingADC for sensing data acquisition

ADVANCED COMMUNICATIONS & SENSING
2.1 Timing Characteristics
SX8724C
ZoomingADC for sensing data acquisition
DATASHEET
Table 5. General timings
Parameter
Symbol Comment/Condition
ADC INTERRUPT (READY) TIMING SPECIFICATIONS
READY pulse width
STARTUP TIMES
tIRQ Note 1
Startup sequence time at POR
Time to enable RC from Sleep after an
I2C command
tSTART
tRCEN
Min
Typ
Max
Unit
1
1/fs
800
μs
450
μs
(1) The READY pulse indicates End of Conversion. This is a Positive pulse of duration equal to one cycle of the ADC sampling rate in “continu-
ous mode”.
See also Figure 17, page 33.
2.1.1 POR Waveforms
At device power-on or after a software reset
STARTUP
SEQUENCE
I2C com
SLEEP
WAKE-UP
SEQUENCE
POR
t_POR
RC enabling
t_RCEN
Self
calibration
RC disabling
RC stop
Figure 1. Power-On-Reset waveform
RC enabling
t_RCEN
Revision 1.01
© Semtech
January 2011
Page 9
www.semtech.com/products/