Datasheet

ADC0801, ADC0802
ADC0803, ADC0804, ADC0805
www.ti.com SNOSBI1B –NOVEMBER 2009–REVISED FEBRUARY 2013
TYPICAL APPLICATIONS (continued)
f
C
=20 Hz
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
Figure 37. 3-Decade Logarithmic A/D Converter
*A/D output data is updated 1 CLK period prior to assertion of INTR
Figure 38. Noise Filtering the Analog Input Figure 39. Output Buffers with A/D Data Enabled
*Allows output data to set-up at falling edge of CS
Figure 40. Multiplexing Differential Inputs Figure 41. Increasing Bus Drive and/or
Reducing Time on Bus
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Product Folder Links: ADC0801, ADC0802 ADC0803, ADC0804, ADC0805