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LS1240A 数据表(PDF) 3 Page - STMicroelectronics

部件名 LS1240A
功能描述  Electronic two-tone ringer
PDF  7 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

LS1240A 数据表(HTML) 3 Page - STMicroelectronics

  LS1240A Datasheet HTML 1Page - STMicroelectronics LS1240A Datasheet HTML 2Page - STMicroelectronics LS1240A Datasheet HTML 3Page - STMicroelectronics LS1240A Datasheet HTML 4Page - STMicroelectronics LS1240A Datasheet HTML 5Page - STMicroelectronics LS1240A Datasheet HTML 6Page - STMicroelectronics LS1240A Datasheet HTML 7Page - STMicroelectronics  
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Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
LS1240
Electrical characteristics
3/9
2
Electrical characteristics
Tamb = 25°C, VS = applied between pins 7-2 unless otherwise specified.
Table 1.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
VAB
Calling voltage (f = 50 Hz) continuous
120
Vms
VAB
Calling voltage (f = 50 Hz) 5s ON/10s OFF
200
Vms
DC
Supply current
30
mA
TOP
Operating temperature
-40 to 70
°C
Tstg
Storage and junction temperature
-65 to +150
°C
Table 2.
Thermal data
Symbol
Parameter
Value
Unit
Rthj-amb
Maximum thermal resistance junction-ambient
100
°C/W
Table 3.
Electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
unit
VS
Supply voltage
26
V
IB
Current consumption
without laod (pins 8-1)
V8-1 = 9.3 to 25 V
1.5
1.8
mA
VON
Activation voltage
12.2
13.2
V
VOFF
Sustaining voltage
8
9
V
RD
Differential resistance
in OFF conditions
(pins 8-1)
6.4
k
Ω
VOUT
Output voltage swing
VS-5
V
IOUT
Short circuit current
(pins 5-2)
VS = 20V RL = 250Ω
70
mA
AC operation
f1
f2
Output frequencies
fOUT1
fOUT2
VS = 26V, R1 = 14Ω
VS = 0V
VS = 6V
1.74
1.22
2.14
1.6
kHz
1.33
1.43
Programming resistor
range
856
kW
Sweep frequency
R1 = 14 kΩ, C1 =
100 nF
5.25
7.5
9.75
Hz
f
OUT1
f
OUT2
------------



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