E-LS1240AD1 STMicroelectronics, E-LS1240AD1 Datasheet - Page 4

• Manufacturer Part Number: E-LS1240AD1
• Description: Telephone Ringers Two-Tone Ringer
• Manufacturer: STMicroelectronics

Specifications of E-LS1240AD1

• Function: Telecom Ringer
• Mounting Style: SMD/SMT
• Product: Telecom Ringer
• Package / Case: SOIC-8
• Frequency: 1740 Hz to 2140 Hz, 1220 Hz
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage (max): 26V
• Operating Temperature (max): 70C
• Pin Count: 8
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Application schematics
3
4/9
Application schematics
Figure 3.
Figure 4.
Typical application with buzzer
Typical application with loudspeaker (no transformer needed)
C
1
such that ⏐Z
LOAD
⏐ > 1 ΚΩ
LS1240