Datasheet

Sample
0V
7.5
100
80
60
40
20
10
0
−
20
−
40
0V
Hold
H
CL
Output Voltage
Input Voltage
IRE UNITS
7.5
100
80
60
40
20
10
0
−
20
−
40
IRE UNITS
OPA615
SBOS299E –FEBRUARY 2004–REVISED SEPTEMBER 2009...................................................................................................................................... www.ti.com
The DC restoration is done by the SOTA section by When the SOTA is sampling, it is charging or
sampling the output signal at an appropriate time. discharging the C
HOLD
capacitor depending on the
The sampled section of the signal is then compared level of the output signal sampled. The detail of an
to a reference voltage that appears on the appropriate timing is illustrated in Figure 43.
non-inverting input of the SOTA (pin 10), or ground in
Figure 40.
Figure 43. DC-Restore Timing
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