Description
ECG1649 Telephone Tone Ringer IC ~ 8 Pin DIP (NTE1649)
ECG1649 Telephone Tone Ringer IC ~ 8 Pin DIP
The ECG1649 is a bipolar integrated circuit in an 8–Lead DIP type package designed
for telephone bell replacement.
Functions:
- Two Oscillators
- Output Amplifier
- Power Supply Control Circuit
Features:
- Designed for Telephone Bell Replacement
- Low Current Drain
- Small Size 8–Lead MINIDIP Package
- Adjustable 2–Frequency Tone
- Adjustable Warbling Rate
- Built–in Hysteresis Prevents False Triggering and Rotary Dial “CHIRPS”
- Extension Tone Ringer Modules
- Alarms or Other Altering Devices
- Adjustable for Reduced Supply Initiation Current
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
- Supply Voltage, VCC: 30V
- Power Dissipation, PD: 400mW
- Operating Temperature Range, Topr: –45° to +65°C
- Storage Temperature Range, Tstg –65° to +150°C
