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UTC31001 Datasheet

  • UTC31001

  • TELEPHONE TONE RINGER

  • 3頁

  • UTC-IC

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UTC31001
CIRCUIT
LINEAR INTEGRATED
TELEPHONE TONE RINGER
GENERAL 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
4
7
6
3
C2
LOW
OSC
HIGH
OSC
AMP
8
OUTPUT
1
POWER SUPPLY (WITH HYSTERESIS)
5
Note:R2,R3,C2 and C3 are parts
2
externally mounted
ABSOLUTE MAXIMUM RATINGS
(Ta=25擄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
mW
擄C
擄C
UTC
1
UNISONIC TECHNOLOGIES CO. LTD

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