PeakDetector
A peak detector with programmable rise and fall times.
Parameters
decay
peak_rate
Options
decay_shape \( \in \{ \)
LINEAR
\( , \)
EXPONENTIAL
\( \} \)
peak_to_detect \( \in \{ \)
POSITIVE_PEAK
\( , \)
NEGATIVE_PEAK
\( \} \)
comparator_output \( \in \{ \)
REFERENCE_VOLTAGE_OUTPUT
\( , \)
DIGITAL_OUTPUT
\( \} \)
input_phase \( \in \{ \)
PHASE1
\( , \)
PHASE2
\( \} \)
opamp_mode \( \in \{ \)
DEFAULT
\( , \)
CHOPPER_STABILIZED
\( \} \)
Inputs
input
Half-Cycle
Outputs
output
Continuous
Transfer Function
$$
\frac{\Delta V_{out}}{\Delta t} =
\begin{cases}
\text{Peak} & \text{if $\> V_{out} < V_{in}$} \\
-\text{Decay} & \text{if $\> V_{out} > V_{in}$}
\end{cases}
$$
Analog Resource Usage
$$
\begin{array}{|c|c|}
\hline
\text{Opamps} & \text{2 of 8} \\
\hline
\text{Comparators} & \text{1 of 4} \\
\hline
\text{Capacitors} & \text{5 of 32} \\
\hline
\end{array}
$$