HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : Preliminary Data
Issued Date : 1998.08.01
Revised Date : 1999.06.01
Page No. : 1/4
H31002P
BIPOLAR TONE RINGER ICS
Description
The H31002P is a bipolar integrated circuit. It is designed for
telephone bell replacement.
Features
鈥?/div>
Current consumption is small.
鈥?/div>
Package is compact. (DIP-8 pin)
鈥?/div>
Oscillation frequency is variable.
鈥?/div>
Built-in threshold circuits prevent false triggering due to power noise as well as 'chirps' due to
rotary dial.
鈥?/div>
Few external components.
Applications
鈥?/div>
Telecom Tone Ringer Set
Absolute Maximum Rating
(Ta = 25擄C)
Characteristics
Supply Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Symbol
VCC
PD
Topr
Tstg
Rating
30
500
-40擄C to +85擄C
-55擄C to+150擄C
Unit
V
mW
擄C
擄C
Block Diagram
R1
3
C1
Low
OSC
4
C2
7 High
OSC
R2
6
AMP
8
1
5
Power Supply
(With hysteresis)
2
HSMC Product Specification
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