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Ordering number: EN4959A
Monolithic Linear IC
LA6523
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 (±2to±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 = 25°C
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
Differential input voltage V
Input common-mode voltage V
Allowable power dissipation Pd max 1.9 W
Operating temperature Topr –20 to + 75 °C
Storage temperature Tstg –55 to + 150 °C
CC/VEE
ID
IN
±18 V
30 V
±15 V
Operating Condition at Ta = 25°C
Parameter Symbol Conditions Ratings Unit
Recommended operating supply voltage V
CC/VEE
±2to±16 V
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LA6523
Electrical Characteristics at Ta = 25°C, VCC/VEE= ±15 V
Parameter Symbol Conditions min typ max Unit
No-load current drain 1 I
No-load current drain 2 I
Input offset voltage V
Input offset current I
Input bias current I
Input common-mode voltage
range
Common-mode signal rejection
ratio
Maximum output voltage V
Voltage gain VG
Slew rate SR G
Supply voltage rejection ratio SVR 30 300 µV/V
Limiter current (built-in type) I
Mute ON voltage V
Mute pin output current I
Pin Assignment
1 8 20 32 mA
CC
2 Mute On 6.5 16.5 mA
CC
IO
IO
B
V
ICM
Rs % 10 kΩ 27mV
10 100 nA
50 300 nA
–15 +13 V
CMR 65 80 dB
RL=32Ω±11 ±12 V
O
SC
MON
Mute
O
=0,RL=32Ω,R=10Ω, C = 0.1 µF 0.15 V/µs
V
0.3 1.0 V
V
Mref=VMute
=0V 10 50 µA
85 dB
0.5 A
Top view
No.4959-2/5
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1
2
3
Pd max – Ta
1 Copper heatsink (Fin1)
2 Steel heatsink (Fin1)
3 Steel heatsink (Fin2)
LA6523
Independent IC
Allowable power dissipation, Pd max – W
Block Diagram
(Unit: mm)
Ambient temperature, Ta – °C
No.4959-3/5
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Test Circuit
LA6523
Oscilloscope
10 Vp-p
Rectangular
waveform
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LA6523
When V
not turned on.
Mref
= 0 [V], V
Out-flow current when V
= 0.3 [V], output is
Mute
Mref=VMute
= 0 [V]
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.
No.4959-5/5
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