UTC31001
DESCRIPTION
The UTC 31001 is a bipolar integrated circuit designed for telephone bell replacement. It can also be used as alarms or other alerting devices.
FEATURES
- Designed for telephone bell replacement.
- Low current drain for multiple extention of lines.
- Adjustable 2-frequency tone.
- Adjustable warbling rate.
- Bulit-in hysteresis prevents false triggering and rotary dial 'CHIRPS'.
- Programmable for initiation voltage by simple external resistor
DIP-8
BLOCK DIAGRAM
R2 C3 R3
C2
LOW OSC
HIGH OSC
8 OUTPUT
POWER SUPPLY (WITH HYSTERESIS)
Note:R2,R3,C2 and C3 are parts
2 externally mounted
ABSOLUTE MAXIMUM RATINGS(Ta=25°C )
CHARACTERISTIC
Supply Voltage Power Dissipation Operating Temperature Storage Temperature
SYMBOL
Vcc Pd Topr Tstg
VALUE
30 400 -45 to 85 -65 to 150
UNIT
V m W
°C °C
UNISONIC TECHNOLOGIES CO. LTD
UTC31001 CIRCUIT
CHARACTERISTIC...