BL1240
ABSOLUTE MAXIMUM RATING
Parameter
Calling Voltage (f = 50 Hz) Continuous
Calling Voltage (f = 50 Hz) 5s ON/10s OFF
DC Supply Current
Operating Temperature
Storage and Junction Temperature
( Ta = 25
°
C unless otherwise specified )
Symbol
V
AB
(ON)
V
AB
(ON/OFF)
I
DC
Tamb
Tstg
Value
120
200
30
-20 to +70
-65 to +150
Unit
Vrms
Vrms
mA
°C
°C
RECOMMENDED OPERATING CONDITION
( Ta = 25
°
C unless otherwise specified )
Parameter
Calling Voltage (f = 50 Hz) Continuous
Symbol
V
AB
(ON)
Min.
Typ. Max.
75
120
Unit
Vrms
ELECTRICAL CHARACTERISTICS
( Ta = 25
°
C )
Parameter
DC Power Supply Voltage
Current Consumption without Load
(pins 8-1)
Activation Voltage
Sustaining Voltage
Differential Resistance in OFF
Condition (pins 8-1)
Output Voltage Swing
Short Circuit Current (pins 5-2)
AC OPERATION
V
DC
= 26 V,
R
A
= 14 kΩ,
V3 = 0V
V
DC
= 26 V,
R
A
= 14 kΩ,
V3 = 6V
Symbol
V
DC
I
DCO
V
ON
V
OFF
R
D
V
OUT
I
OUT
V
DC
= 20 V,
R
L
= 250
Ω
V
DC
= 9.3
to 2.5 V
12.2
8
Test Conditions
Min.
Typ.
Max.
26
Unit
V
1.5
1.8
13.2
9
mA
V
V
kΩ
6.4
V
DC
- 5
70
V
mA
Output Frequency
f1
1.74
2.14
kHz
Output Frequency
f2
f1 / f2
1.22
1.33
1.6
1.43
kHz
Sweep Frequency
f sw
V
DC
= 26 V,
R
A
= 14 kΩ,
Csw = 0.1 uF
7.5
Hz
http://www.belling.com.cn
-4-
8/14/2006
Wrote by 2006
Total
5 Pages
BELLING [ SHANGHAI BELLING CO., LTD. ]
