LS1240A データシートの表示（PDF） - STMicroelectronics

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LS1240A

Electronic two-tone ringer

STMicroelectronics 

Application schematics

3

Application schematics

Figure 3. Typical application with buzzer

LS1240

roduct(s) Figure 4. Typical application with loudspeaker (no transformer needed)

Obsolete Product(s) - Obsolete P C1 such that ⏐ZLOAD ⏐ > 1 ΚΩ

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