LM231, LM331

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SNOSBI2C – JUNE 1999 – REVISED SEPTEMBER 2015

Typical Applications (continued)

A 47-

Ω resistor in series with the 1-μF capacitor (CL) provides hysteresis, which helps the input comparator

provide the excellent linearity.

This results in the transfer function of ƒOUT = (VIN / 2.09 V) × (RS / RL) × (1 / RtCt).

9.2.1.3 Application Curve

Figure 15. Output Non-Linearity Error vs. Frequency

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