KA2410/KA2411
TELEPHONE TONE RINGERS
ELECTRICAL CHARATERISTICS (V
CC
=24V, T
A
=25
℃
, UNLESS OTHERWISE NOTED)
PARAMETER
Operating Voltage
Supply Initiation
Voltage
Current
Sustaining Voltage
Current
Oscillator Freq. #3
Oscillator Freq. #3
Oscillator Freq. #3
Output
High Voltage
Low Voltage
Trigger
Voltage #4
Current #5
Disable
Voltage
Current #6
#1.
#2.
#3.
SYMBOL
V
CC
V
SI
I
SI
V
SUS
I
SUS
f
L
f
H1
f
H2
V
OH
V
OL
V
TRG
I
TRG
V
DIS
I
DIS
TEST CONDITIONS
MIN
TYP
V
CC
=V
SI
, No load #1
V
CC
=V
SUS
, No load #2
R1=165kΩ, C1=0.47µf
R2=191kΩ, C2=6800pF
R2=191kΩ, C2=6800pF
V
CC
=21V
I
OH
=15mA
I
OL
=15mA
V
CC
=15V
KA2410 Only ( 2 pin)
KA2410 Only ( 2 pin)
17
1.4
9.7
0.2
9
461
576
17.7
8.5
19
2.5
10.5
0.9
10
512
640
19
MAX UNIT
36
V
21
4.2
mA
12
V
2.5
mA
11
Hz
563
Hz
703
Hz
21.5
1.6
10.5
1000
0.8
V
V
µA
V
µA
20
-40
0.4
-20
#4.
#5.
#6.
Supply initiation voltage is the value of DC supply voltage required to start the tone ringer oscillating.
Sustaining voltage is the value of DC supply voltage required to maintain the oscillation.
Oscillator frequency is determined by the following equations:
f
L
= 1/(1.359XR1XC1)(Hz)
f
hi
= 1/(1.518XR2XC2)(Hz)
f
h2
= 1.214Xf
HI
(Hz)
V
TR
and I
TR
the conditions applied to trigger input to start oscillation for V
SUS
≤
V
CC
≤
V
SI
.
Trigger current must be limited to this value externally.
V
DIS
and I
DIS
are the conditions applied to trigger input to inhibit oscillation for V
SI
≤
V
CC
.
APPLICATION CIRCUIT FOR 2410
1µF
1µF
50V
1
RSL
2
7
8
470k
T
250V 6.2k
2410
3
6
5
R2 180k
10K
C2
4.7nF
f=20Hz
27V
10µF
50V
R1 220k
4
R
C1
220nF
WINGS [ WING SHING COMPUTER COMPONENTS ]
