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UTC31002A Datasheet

  • UTC31002A

  • TELEPHONE TONE RINGER

  • 4頁

  • UTC-IC

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UTC 31002A
LINEAR INTEGRATED CIRCUIT
TELEPHONE TONE RINGER
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.
SOP-8
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
DIP-8
PIN CONFIGURATIONS
Vcc
1
2
3
4
8
7
6
5
Output
High Freq.
Time Constant
High Freq.
Time Constant
GND
RSL
Low Freq.
Time Constant
Low Freq.
Time Costant
ABSOLUTE MAXIMUM RATINGS
(Ta=25擄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
mW
擄C
擄C
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R108-005,A

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