TA = 25¡C
MIN
Electrical Characteristics:
TEST CONDITIONS
PARAMETER
■ Amplifier A2
TYP
MAX
UNIT
DC Output (pin 9)
R3 = 6k½, R4 = 510½, C5 = .47µF
2.5
V
Input Bias Current (pin 8)
(Externally adjusted gain
250
nA
with R3 and R4. Unity DC gain)
Voltage gain @ 3.5kHz
(Externally adjusted gain
21.6
dB
with R3 and R4. Unity DC gain)
■ Detector and Reference Output (C4 = .47µF)
Reference Resistance
13
19
25
k½
V
Reference Voltage
(pin 10)
(pin 11)
1.8
10
3.6
15
5.5
20
Detector Output Resistance
Detector Output Voltage
k½
V
1.4
2.8
4.3
(No signal, and at 2X time Constant)
■ Main Timer (R1 = 20M½, R2 = 75k½, C1 = .47µF)
Power Up Pulse Period
Power Up Pulse Period
Power Up Pulse Width
Gate Pulse Width
Standby Mode (pin 1)
Speed Up Mode (pin 1)
(pin 1)
8
10
12
Sec
Sec
ms
ms
nA
µA
1.5
2
2.5
20
Power up pulse width 12
V (pin 16) = 16V
10
Sink Current (pin 18)
Source Current (pin 18)
415
460
-235
505
V (pin 16) = 16V
-220
-250
■ Output Circuit
Output Latch Voltage
Leakage Current
(pin 3) ISUPPLY = 100mA
4.4
5.2
6.1
V
V (pin 3) = 38V, V (pins 2, 16) = 0V
500
µA
■ Alarm
Alarm Reset
Power up time
Supply interruption
5
Sec
Sec
30
System will go into alarm upon detection and transfer of three consecutive alarm level signals into the counter.
3
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
