
VCR Audio Signal Recording
and Playback Processor
Functions
.
Equalizer amplifier
.
Line amplifier
.
Recording amplifier
.
Recording bias current automatic adjustment circuit
.
Ripple filter
.
Mute
.
ALC
.
Recording/playback switch
.
SP, LP, EP switch
.
Tape head switch
Features
.
No adjustment of recording bias current required
(due to adoption of automatic adjustment circuit).
.
Recording bias oscillation circuit power supply switch on
chip.
.
Eliminates need for choke coil for recording equalizer.
.
Playback amplifier equivalent input noise voltage:
1.0 Vrms.
Package Dimensions
unit : mm
3067-DIP24S
[LA7286]
0.48
3.25
3.3
3.9max
0.51min
21.2
0.81
1.78
0.25
7.62
6.4
1
12
24
13
0.95
SANYO : DIP24S
.
Reduced capacitance (3.3 F) of ALC detection capacitor.
.
High withstand voltage head switch on chip.
.
Supply voltage: 9 V and 12 V operation.
Specifications
Maximum Ratings at Ta=25 °C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCCmax
14
V
Pin 2 input voltages
VIN2
DC
±65
Vp-p
Pin 2 input current
IIN2
±1.5
mA
Allowable power dissipation
Pdmax
Ta
% 65 °C
500
mW
Operating temperature
Topr
–10 to +65
°C
Storage temperature
Tstg
–55 to +150
°C
Operating Conditions at Ta=25 °C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
9, 12
V
Operating supply voltage range
VCCop
8.5 to 12.5
V
Ordering number: EN 4750
Monolithic Linear IC
LA7286
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
51595TH (II) No.4750-1/10