High-Performance
Dual Operational Amplifiers
Overview
The LA6458 consists of two independent, internally phase
compensated operational amplifiers. Application areas include
active filters, audio preamplifiers, and various electronic
circuits.
Features
.
LA6458M : 8-pin MFP package,
LA6458S : 9-pin SIP package
.
Phase compensation circuit built in.
.
High gain, low noise.
.
Slew rate : l.1V/s typ.
Package Dimensions
unit : mm
3032B-MFP8
[LA6458M]
SANYO : MFP8
unit : mm
3017C-SIP9
[LA6458S]
SANYO : SIP9
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
Common-mode input voltage
V
IN
15
V
Allowable power dissipation
Pd max
LA6458M
300
mW
LA6458S
500
mW
Operating temperature
Topr
-20 to +75
C
Storage temperature
Tstg
-40 to +125
C
Ordering number: EN911D
Monolithic Linear IC
LA6458M, 6458S
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
63096HA(II)/1100YT/8237KI/8064KI/O064KI,TS No.911-1/5
Operating Characteristics
at Ta = 25C, V
CC
= 15 V, V
EE
= -15 V
Parameter
Symbol
Conditions
min
typ
max
Unit
Input offset voltage
V
IO
R
S
= 10 k
0.5
6
mV
Input offset current
I
IO
5
200
nA
Input bias current
I
B
60
500
nA
Common-mode input voltage
V
ICM
12
14
V
Common-mode rejection ratio
CMR
70
90
dB
Voltage gain
VG
O
R
L
^
2 k
, V
O
=
10 V
86
100
dB
Maximum output voltage
V
O
(1)
R
L
^
10 k
12
14
V
V
O
(2)
R
L
^
2 k
10
13
V
Slew rate
SR
LA6458M: VG = 0, R
L
^
2 k
1.0
V/s
LA6458S: VG = 0, R
L
^
2 k
1.1
V/s
Equivalent input noise voltage
V
NI
LA6458M: R
S
= 1 k
, B.P.F. = 10 Hz to 30 kHz
1.6
V
LA6458S: R
S
= 1 k
, B.P.F. = 10 Hz to 30 kHz
1.7
V
Current drain
I
CC
3.5
6
mA
Supply voltage rejection
SVR
R
S
%
10 k
30
150
V/V
Test Circuits
(Pin assignment : SIP/MFP package)
5. V
O
6. SR
Unit (resistance:
)
1. V
IO
, SVR
2. I
IO
, I
B
3. V
ICM
, CMR
4. VG
O
LA6458M, 6458S
No.911-2/5
Equivalent Circuit
Pin No. : LA6458M, (
) of pin No. : LA6458S
Pin Assignments
7. V
NI
8. I
CO
Unit (resistance :
)
10Hz to 30kHz
Allowable
power
dissipation,
Pd
max
m
W
Pd max Ta
Ambient temperature, Ta C
Allowable
power
dissipation,
Pd
max
m
W
Pd max Ta
Ambient temperature, Ta C
Top view
LA6458M, 6458S
No.911-3/5
Sample Application Circuit
RIAA preamplifier (VG = 32.5 dB)
Unit (resistance:
, capacitance: F)
Open-loop
voltage
gain,
VG
O
d
B
Frequency, f Hz
Maximum
output
amplitude
voltage,
V
op-p
V
Load resistance, R
L
Input
Bias
current,
I
B
n
A
Ambient temperature, Ta C
Maximum
output
voltage,
V
O
m
a
xV
Supply voltage, V
CC
V
Maximum
output
amplitude
voltage,
V
op-p
V
Frequency, f Hz
Equivalent
input
noise
voltage,
V
N
mV/
!
`
Hz
Frequency, f Hz
LA6458M, 6458S
No.911-4/5
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 June, 1996. Specifications and information herein are subject to change without notice.
LA6458M, 6458S
No.911-5/5
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