The NTE1648 and NTE1649 are bipolar integrated circuits in an 8鈥揕ead DIP type package designed
for telephone bell replacement.
Built鈥搃n Hysteresis Prevents False Triggering and Rotary Dial 鈥淐HIRPS鈥?/div>
D
Extension Tone Ringer Modules
D
Alarms or Other Altering Devices
D
External Triggering or Ringer Disable (NTE1648)
D
Adjustable for Reduced Supply Initiation Current (NTE1649)
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwise specified)
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V
Power Dissipation, P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mW
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +65擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C