UNISONIC TECHNOLOGIES CO., LTD
TA31001
TELEPHONE TONE RINGER
DESCRIPTION
The UTC
TA31001
is a bipolar integrated circuit designed for
telephone bell replacement. It can also be used as alarms or other
alerting devices.
LINEAR INTEGRATED CIRCUIT
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 Voltage by Simple External Resistor.
DIP-8
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
TA31001L-D08-T
TA31001G-D08-T
Package
DIP-8
Packing
Tube
www.unisonic.com.tw
Copyright © 2010 Unisonic Technologies Co.,LTD
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QW-R108-003.C
TA31001
PIN CONFIGURATIONS
LINEAR INTEGRATED CIRCUIT
Vcc
1
8
Output
High Freq.
Time Constant
High Freq.
Time Constant
GND
RSL
Low Freq.
Time Constant
Low Freq.
Time Costant
2
7
3
6
4
5
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www.unisonic.com.tw
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QW-R108-003.C
TA31001
BLOCK DIAGRAM
R1
C2
R2
LINEAR INTEGRATED CIRCUIT
4
7
6
3
C1
LOW
OSC
HIGH
OSC
AMP
8
OUTPUT
1
POWER SUPPLY (WITH HYSTERESIS)
5
2
Note:R1,R2,C1 and C2 are parts externally mounted
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www.unisonic.com.tw
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QW-R108-003.C
TA31001
ABSOLUTE MAXIMUM RATINGS
(Ta=25°C)
PARAMETER
Supply Voltage
Power Dissipation
Ambient Operating Temperature
Storage Temperature
SYMBOL
V
CC
P
D
T
OPR
T
STG
LINEAR INTEGRATED CIRCUIT
VALUE
30
800
-45 to 85
-65 to 150
UNIT
V
mW
°C
°C
ELECTRICAL CHARACTERISTICS
(Ta=25°C)
(All voltage referenced to GND unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
Operating Supply Voltage
V
CC
Initiation Supply Voltage (Note 1)
V
SI
Initiation Supply Current (Note 1)
I
SI
6.8K-Pin 2 to GND
Sustaining Voltage (Note 2)
V
SUS
See Fig.1
Sustaining Current (Note 2)
I
SUS
No Load V
CC
=V
SUS
Trigger Voltage (Note 3)
V
TRG
V
CC
=15V
Trigger Current
(Note 3)
I
TRG
V
DIS
I
DIS
V
OH
V
CC
=15V
Disable Voltage (Note 4)
Disable Current (Note 4)
Output Voltage High
MIN
17
1.4
9.7
0.7
9
10
-40
TYP
19
3.5
11
1.4
10.5
20
-50
21
1.6
500
500
563
704
11
MAX
29
21
4.2
12
2.5
12
1000
5
0.8
UNIT
V
V
mA
V
mA
V
μA
V
μA
V
V
nA
nA
Hz
Hz
Hz
V
CC
=21V, I8=-15mA
17.0
19
Pin6=6V, Pin7=GND
V
CC
=21V, I8=15mA
Output Voltage Low
V
OL
Pin6=GND, Pin7=6V
Input Current 1
I
IN(Pin 3)
Pin3=6V, Pin4=GND
Input Current 2
I
IN(Pin 7)
Pin7=6V, Pin6=GND
High Frequency 1
F
H1
R3=191K, C3=6800pF
461
512
High Frequency 2
F
H2
R3=191K, C3=6800pF
576
640
Low Frequency
F
L
R2=165K, C2=0.47μF
9
10
Note 1. Initiation supply voltage (V
SI
) is the supply voltage required to start the tone ringer oscillating.
2. Sustaining voltage (V
SUS
) is the supply voltage required to maintain oscillation.
3. V
TR
and I
TR
are the conditions applied to trigger in to start oscillation for V
SUS
≦
V
CC
≦
V
SI
4. V
DLS
and IDIS are the conditions applied to trigger in to inhibit oscillation for V
SI
≦
V
CC
5. Trigger current must be limited to this value externally.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 6
QW-R108-003.C
TA31001
TYPICAL CHARACTERISTICS
LINEAR INTEGRATED CIRCUIT
Icc(mA),Supply Current
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
Supply Current (mA)
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QW-R108-003.C
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