Absolute Maximum Ratings
Supply Voltage ......................................... 0.3V to 13V
Storage Temperature ........................... 50 C to 125 C
Input Voltage .............................V
SS
0
.
3V to V
DD
+0.3V
Operating Temperature .......................... 25 C to 70 C
Zero Crossing Current................................Max. 300 A
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those
listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-
ity.
Electrical Characteristics
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
DD
Condition
V
DD
Operating Voltage
5
9
12
V
V
EE
Regulator Output Voltage
12V
V
DD
-V
EE
3.5
4
4.5
V
I
DD
Operating Current
12V
No load, OSC on
100
350
A
I
OH1
OUTPUT Source Current
(RELAY, TRIAC)
12V
V
OH
=10.8V
6
12
mA
I
OL1
OUTPUT Sink Current
(RELAY, TRIAC)
12V
V
OL
=1.2V
40
80
mA
I
OL2
VEE Sink Current
12V
V
DD VEE
=4V
mA
V
IH
H Input Voltage
0.8V
DD
V
V
IL
L Input Voltage
0.2V
DD
V
V
TH1
CDS H Transfer Voltage
12V
6.4
8
9.6
V
V
TL1
CDS L Transfer Voltage
12V
3.7
4.7
5.6
V
V
TH2
ZC H Transfer Voltage
12V
4.7
6.7
8.7
V
V
TL2
ZC L Transfer Voltage
12V
1.3
1.8
2.3
V
V
OS
OP Amp Input Offset Voltage
12V
No load
10
35
mV
f
SYS
System Oscillator Frequency
12V
R
OSCS
=560k
C
OSCS
=100pF
12.8
16
19.2
KHz
f
d
Delay Oscillator Frequency
12V
R
OSCD
=560k
C
OSCD
=100pF
12.8
16
19.2
KHz
A
VO
OP Amp Open Loop Gain
12V
No load
60
80
dB
HT761X
Rev. 1.10
3
September 18, 2002
Functional Description
VEE
VEE supplies power to the analog front end cir-
cuit with a normally stabilized voltage of
with respect to VDD.
4V
OSCS
OSCS is a system oscillator input pin. When it is
connected to an external RC, a system fre-
quency of 16kHz can be generated.
& 2
3
System oscillator