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LS1240 Folha de dados(PDF) 3 Page - Wing Shing Computer Components

Nome de Peças LS1240
Descrição Electrónicos  Electronic Two-Tone Ringer
Download  4 Pages
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Fabricante Electrônico  WINGS [Wing Shing Computer Components]
Página de início  http://www.wingshing.com/en
Logo WINGS - Wing Shing Computer Components

LS1240 Folha de dados(HTML) 3 Page - Wing Shing Computer Components

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ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VAB
Calling Voltage (f = 50 Hz) Continuous
120
Vrms
VAB
Calling Voltage (f = 50 Hz) 5s ON/10s OFF
200
Vrms
DC
Supply Current
30
mA
Top
Operating Temperature
– 0 to + 70
°C
Tstg
Storage and Junction Temperature
– 65 to + 150
°C
THERMAL DATA
Symbol
Parameter
Value
Unit
Rth j-amb
Thermal Resistance Junction-ambient
Max
00
°C/W
ELECTRICAL CHARACTERISTICS
(Tamb = 25
°C; Vs = applied between pins 7-2 unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Vs
Supply Voltage
26
V
IB
Current Consumption without Load (pins 8-1)
V8-1 = 9.3 to 25 V
1.5
1.8
mA
VON
Activation Voltage
VOFF
Sustaining Voltage
RD
Differential Resistance in OFF Condition (pins 8-1)
6.4
k
Ω
VOUT
Output Voltage Swing
Vs – 5
V
IOUT
Short Circuit Current (pins 5-2)
Vs = 20V
RL = 250
Ω
70
mA
AC OPERATION
f1
f2
Output Frequencies
fout1
fout2
Vs = 26V, R1 = 14k
Ω
Vs = 0 V
Vs = 6V
kHz
fOUT1
fOUT2
1.33
1.43
Programming Resistor Range
8
56
k
Ω
fSWEEP
Sweep Frequency
R1 = 14k
Ω, C1 = 100nF 5.25
7.5
9.75
Hz
LS1240A
WS
2
12
13.5
V
9.3
V
7.8
1.55
2.53
1.08
1.9
2


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