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E-LS1240AD1 View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
E-LS1240AD1 Electronic two-tone ringer ST-Microelectronics
STMicroelectronics ST-Microelectronics
E-LS1240AD1 Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
LS1240
2
Electrical characteristics
Electrical characteristics
Table 1. Absolute maximum ratings
Symbol
Parameter
VAB
Calling voltage (f = 50 Hz) continuous
VAB
Calling voltage (f = 50 Hz) 5s ON/10s OFF
DC
Supply current
TOP
Operating temperature
Tstg
Storage and junction temperature
Value
120
200
30
-40 to 70
-65 to +150
Unit
Vms
Vms
mA
°C
°C
Table 2. Thermal data
Symbol
Parameter
Value
Unit
Rthj-amb Maximum thermal resistance junction-ambient
100
t(s) Tamb = 25°C, VS = applied between pins 7-2 unless otherwise specified.
c Table 3. Electrical characteristics
du Symbol
Parameter
Test conditions
Min.
Typ.
Max.
ro VS
Supply voltage
te P IB
Current consumption
without laod (pins 8-1)
V8-1 = 9.3 to 25 V
26
1.5
1.8
le VON
so VOFF
) - Ob RD
Activation voltage
Sustaining voltage
Differential resistance
in OFF conditions
(pins 8-1)
12.2
13.2
8
9
6.4
t(s VOUT
uc IOUT
Output voltage swing
Short circuit current
(pins 5-2)
VS = 20V RL = 250
VS-5
70
rod AC operation
POutput frequencies
VS = 26V, R1 = 14
tef1
fOUT1
VS = 0V
1.74
lef2
fOUT2
VS = 6V
1.22
2.14
1.6
bso f--O---U---T---1
O fOUT2
1.33
1.43
°C/W
unit
V
mA
V
V
k
V
mA
kHz
Programming resistor
range
Sweep frequency
R1 = 14 kΩ, C1 =
100 nF
8
56
kW
5.25
7.5
9.75
Hz
3/9
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