KEC KIA6966S Schematics
1994. 11. 11 1/3
SEMICONDUCTOR
TECHNICAL DATA
KIA6966S
BIPOLAR LINEAR INTEGRATED CIRCUIT
Revision No : 0
5 DOT LED LEVEL METER
The KIA6966S is designed for 5 LED level meter driver.
Which is consist of one input amplifier and five comparators
for LED level indication.
FEATURES
Low Spurious Noise Operation.
Constant Driving Current : Io=8mA(Typ.)
Indication Level Steps : 5dB, 5dB, 3dB, 3dB
Wide Operating Supply Voltage Range
: Vcc=4
12V
Variable Input Amplifier Gain : Gv=0 20dB
MAXIMUM RATINGS (Ta=25 )
Note 1) For Pin and
Note 2) Derated above Ta=25 in the proportion of 4.8mW/ for KIA6966S.
CHARACTERISTIC SYMBOL RATING UNIT
Supply Voltage
V
CC
14 V
LED Driving Terminal Voltage
(Note 1)
V
L
15 V
Power Dissipation (Note 2)
P
D
600 mW
Operating Temperature
T
opr
-25 75
Storage Temperature
T
stg
-55 150
ELECTRICAL CHARACTERISTICS (Unless otherwise specified, VCC=9V, f=1kHz, Ta=25 )
CHARACTERISTICS SYMBOL
TEST
CIRCUIT
TEST CONDITION MIN. TYP. MAX. UNIT
Quiescent Current
I
CCQ
-
VIN=0V
- 3 5 mA
Output Current
Io (1 5)
- 5 8 10 mA
Output Leak Current Io (OFF) - - - 50
A
Sensitivity
V
LD5
(ON)
-
Rs=24k , Rf=100k
- 230 -
mV
rms
LED Turn-on Input Level
LD5 -
Rs=24k , Rf=100k
Io=1mA
-1 0 1
dB
LD4 - -4 -3 -2
LD3 - -7.5 -6 -4.5
LD2 - -13 -11 -9
LD1 - -19 -16 -13
A
19
P
d
H
L
G
D
DIM MILLIMETERS
B
T
_
A
B
D
d 0.5 0.1
G
H
P
T 0.25+0.1/-0.05
+
22.48 0.2
_
+
3.2 0.2
_
+
1.2 0.25
_
+
_
1.95 0.2
+
_
7.7 0.3
+
_
+
3.2 0.3L
2.54
SIP-9
1994. 11. 11 2/3
KIA6966S
Revision No : 0
TEST CIRCUT / BLOCK DIAGRAM
INTERNAL RESISTANCE VALUE
KIA6966S UNIT
R1 1.36
k
R2 1.08
k
R3 1.89
k
R4 1.78
k
R5 2.50
k
V
CC
I
R
I
CC
D
C
S
R
V
IN
4.7uF
S
24kΩ
I
05 04
I
96432
V
CC
-
8
V
CC
I
03
I
02
I
01
1
AMP
+
+
C1
-
GND
5
V
REF
R
+
C5
-
+
C4
-
+
C3
-
+
C2
-
1
2
f
R5 R4 R3 R2 R1
V
D
7
100kΩ
C
f
0.47uF
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