User guide

Applications Hints (Continued)
(R1
a
R2)//R3
s
1k
TL/H/11390–31
Note 1: Diodes are 1N914.
Note 2: The protection diodes should be able to withstand the output current of the op amp under current limit.
FIGURE 15. Protecting the Analog Inputs
*1% resistors
TL/H/11390–32
FIGURE 16. Zero-Shift and Span-Adjust for Signed or Unsigned, Single-Ended
Multiplexer Assignment, Signed Analog Input Range of 0.5V
s
V
IN
s
4.5V
25