3-Output Power Operational Amplifier
Overview
The LA6523 is a 3-output power operational amplifier IC
developed for widespread use in consumer and industrial
applications.
Features and Functions
.
High output current (Io max = 0.5 A)
.
High gain
.
Current limiter
.
Wide operating supply voltage (
2 to
18 V)
.
Single supply operation possible (4 to 36 V)
.
Mute circuit (active low)
.
Thermal shutdown circuit built-in
Package Dimensions
unit : mm
3022A-DIP12F
[LA6523]
SANYO : DIP12F
Specifications
Maximum Ratings
at Ta = 25C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V
CC
/V
EE
18
V
Differential input voltage
V
ID
30
V
Input common-mode voltage
V
IN
15
V
Allowable power dissipation
Pd max
1.9
W
Operating temperature
Topr
20 to + 75
C
Storage temperature
Tstg
55 to + 150
C
Operating Condition
at Ta = 25C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended operating supply voltage
V
CC
/V
EE
2 to
16
V
Ordering number: EN4959A
Monolithic Linear IC
LA6523
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
83096HA(II)/61995TH(ID) No.4959-1/5
Electrical Characteristics
at Ta = 25C, V
CC
/V
EE
=
15 V
Parameter
Symbol
Conditions
min
typ
max
Unit
No-load current drain 1
I
CC
1
8
20
32
mA
No-load current drain 2
I
CC
2
Mute On
6.5
16.5
mA
Input offset voltage
V
IO
Rs
%
10 k
2
7
mV
Input offset current
I
IO
10
100
nA
Input bias current
I
B
50
300
nA
Input common-mode voltage
range
V
ICM
15
+13
V
Common-mode signal rejection
ratio
CMR
65
80
dB
Maximum output voltage
V
O
R
L
= 32
11
12
V
Voltage gain
VG
O
85
dB
Slew rate
SR
G
V
= 0, R
L
= 32
, R = 10
, C = 0.1 F
0.15
V/s
Supply voltage rejection ratio
SVR
30
300
V/V
Limiter current (built-in type)
I
SC
0.5
A
Mute ON voltage
V
MON
0.3
1.0
V
Mute pin output current
I
Mute
V
Mref
= V
Mute
= 0 V
10
50
A
Pin Assignment
Top view
LA6523
No.4959-2/5
Block Diagram
Pd max Ta
Allowable
power
dissipation,
Pd
max
W
Ambient temperature, Ta C
Independent IC
1
2
3
1
Copper heatsink (Fin1)
2
Steel heatsink (Fin1)
3
Steel heatsink (Fin2)
(Unit: mm)
LA6523
No.4959-3/5
Test Circuit
Oscilloscope
10 Vp-p
Rectangular
waveform
LA6523
No.4959-4/5
No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment,
nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or
indirectly cause injury, death or property loss.
Anyone purchasing any products described or contained herein for an above-mentioned use shall:
1
Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors
and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and
expenses associated with such use:
2
Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO
ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume
production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use
or any infringements of intellectual property rights or other rights of third parties.
This catalog provides information as of August, 1996. Specifications and information herein are subject to change without notice.
When V
Mref
= 0 [V], V
Mute
= 0.3 [V], output is
not turned on.
Out-flow current when V
Mref
= V
Mute
= 0 [V]
LA6523
No.4959-5/5
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