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/µs typ.
Package Dimensions
unit : mm
3032B-MFP8
[LA6458M]
SANYO : MFP8
unit : mm
3017C-SIP9
[LA6458S]
SANYO : SIP9
Specifications
Maximum Ratings at Ta = 25°C
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage VCC/VEE ±18 V
Differential input voltage VID ±30 V
Common-mode input voltage VIN ±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 = 25°C, VCC =15V,V
EE = −15 V
Parameter Symbol Conditions min typ max Unit
Input offset voltage VIO RS=10kΩ0.5 6 mV
Input offset current IIO 5 200 nA
Input bias current IB60 500 nA
Common-mode input voltage VICM ±12 ±14 V
Common-mode rejection ratio CMR 70 90 dB
Voltage gain VGORL^2kΩ,V
O=±10 V 86 100 dB
Maximum output voltage VO(1) RL^10 kΩ±12 ±14 V
VO(2) RL^2kΩ±10 ±13 V
Slew rate SR LA6458M: VG = 0, RL^2kΩ1.0 V/µs
LA6458S: VG = 0, RL^2kΩ1.1 V/µs
Equivalent input noise voltage VNI LA6458M: RS=1kΩ, B.P.F. = 10 Hz to 30 kHz 1.6 µV
LA6458S: RS=1kΩ, B.P.F. = 10 Hz to 30 kHz 1.7 µV
Current drain ICC 3.5 6 mA
Supply voltage rejection SVR RS%10 kΩ30 150 µV/V
Test Circuits
(Pin assignment : SIP/MFP package)
5. VO6. SR
Unit (resistance: Ω)
1. VIO, SVR 2. IIO,I
B
3. VICM, CMR 4. VGO
LA6458M, 6458S
No.911-2/5
Equivalent Circuit
Pin No. : LA6458M, ( ) of pin No. : LA6458S
Pin Assignments
7. VNI 8. ICO
Unit (resistance : Ω)
10Hz to 30kHz
Allowable power dissipation, Pd max – mW
Pd max – Ta
Ambient temperature, Ta – °C
Allowable power dissipation, Pd max – mW
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: Ω, capacitance: F)
Open-loop voltage gain, VGO–dB
Frequency,f–Hz
Maximum output amplitude voltage, Vop-p – V
Load resistance, RL–Ω
Input Bias current, IB–nA
Ambient temperature, Ta – °C
Maximum output voltage, V
O
max–V
Supply voltage, VCC –V
Maximum output amplitude voltage, Vop-p – V
Frequency,f–Hz
Equivalent input noise voltage, VN– 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:
1Accept 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:
2Not 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
