UTCTA31002A Просмотр технического описания (PDF) - Unisonic Technologies
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UTCTA31002A Datasheet PDF : 4 Pages
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UTCTA31002A LINEAR INTEGRATED CIRCUIT
BLOCK DIAGRAM
R2
C3
R3
4
7
6
3
LOW
OSC
C2
HIGH
OSC
AMP
8 OUTPUT
1
POWER SUPPLY (WITH HYSTERESIS)
5
2
Note:R2,R3,C2 and C3 are parts externally mounted
ELECTRICAL CHARACTERISTICS( Ta=25°C, all voltage referenced to GND unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Operating Supply Voltage
Vcc
29.0 V
Initiation Supply Voltage (note 1) Vsi
See Fig.2
17
19
21
V
Initiation Supply Current (note 1) Isi
6.8K-Pin 2 to GND
1.4 2.8 4.2 mA
Sustaining Voltage (note 2)
Vsus
See Fig.2
9.7 11.0 12.0 V
Sustaining Current (note 2)
Isus
No Load Vcc=Vsus,See Fig.2 0.7 1.4 2.5 mA
Output Voltage High
VOH
Vcc=21V, I8=-15mA
17.0 19.0 21.0 V
Pin6=6V, Pin7=GND
Output Voltage Low
VOL
Vcc=21V, I8=15mA
1.6
V
Pin6=GND, Pin7=6V
IIN(Pin 3)
Pin3=6V, Pin4=GND
500 nA
IIN(Pin 7)
Pin7=6V, Pin6=GND
500 nA
High Frequency 1
FH1
R3=191K, C3=6800pF
461 512 563 Hz
High Frequency 2
FH2
R3=191K, C3=6800pF
576 640 704 Hz
Low Frequency
FL
R2=165K, C2=0.47µF
9.0 10 11.0 Hz
*NOTE (See electrical characteristics sheet)
1. Initiation supply voltage (Vsi) is the supply voltage required to start the tone ringer oscillating.
2. Sustaining voltage (Vsus) is the supply voltage required to maintain oscillation.
UTC UNISONIC TECHNOLOGIES CO., LTD. 2
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