Download UTC31001 Datasheet PDF
Unisonic Technologies
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...