31002A
DESCRIPTION
The UTC 31002A 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 extension of lines.
- Adjustable 2-frequency tone.
- Adjustable warbling rate.
- Built-in hysteresis prevents false triggering and rotary dial 'CHIRPS'.
- Programmable for initiation current by simple external resistor
SOP-8
DIP-8
PIN CONFIGURATIONS
Vcc RSL Low Freq. Time Constant Low Freq. Time Costant
1 2 3 4
.
7 6 5
Output High Freq. Time Constant High Freq. Time Constant GND
Data Shee
ABSOLUTE MAXIMUM RATINGS(Ta=25°C )
PARAMETER
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.
QW-R108-005,A
.
Data Sheet 4 U .
..
UTC 31002A
BLOCK DIAGRAM
LINEAR INTEGRATED...
