Typical Applications (Continued)
3-Decade Logarithmic A/D Converter
DS005671-73
Noise Filtering the Analog Input
Multiplexing Differential Inputs
DS005671-74
DS005671-75
=
f
20 Hz
C
Uses Chebyshev implementation for steeper roll-off unity-gain, 2nd order,
low-pass filter
Adding a separate filter for each channel increases system response time
if an analog multiplexer is used
Output Buffers with A/D Data Enabled
Increasing Bus Drive and/or Reducing Time on Bus
DS005671-77
DS005671-76
*Allows output data to set-up at falling edge of CS
*A/D output data is updated 1 CLK period prior to assertion of INTR
15
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