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PDF LA6568 Data sheet ( Hoja de datos )
| Número de pieza | LA6568 | |
| Descripción | 6-Channel Driver for Optical Disc Drives | |
| Fabricantes | Sanyo | |
| Logotipo |  |
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Ordering number : ENN7740
SANYO Semiconductors
DATA SHEET
LA6568 Monolithic Linear IC
Six-Channel Driver for Optical Disc
Drives
Overview
The LA6568 is a six-channel driver for optical disc drives that includes built-in 3.3 V and 5 V regulators.
Functions
• Six power amplifier channels
• IOmax: 700 mA
• Built-in level shifter circuits (for the BTL amplifiers)
• Muting circuit (output on/off control) for one channel
• Built-in 3.3 V power supply (IOmax 300 mA)
• Built-in 5 V power supply (IOmax 5 mA)
• Thermal protection circuit (thermal shutdown circuit)
Specifications
Absolute Maximum Ratings at Ta 25qC
Parameter
Maximum supply voltage
Maximum output current
Maximum input voltage
Mute pin voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
IO max
VINB max
VMUTE
Pd max
Topr
Tstg
Conditions
Each channel for Ch.1 to Ch.6
Mounted on a board
1
Independent IC
Note
1: Mounted on a board (76.1 u 114.3 u 1.66 mm) Material: glass epoxy
Recommended Operating Conditions at Ta 25°C
Parameter
Supply voltage
Symbol
VCC
Conditions
Ratings
14
0.7
13
13
2.00
1.20
30 to 85
55 to 150
Ratings
6 to 13
Unit
V
A
V
V
W
qC
qC
Unit
V
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
81004TN(OT) No.7740-1/8
1 page  
Block Diagram
LA6568
VO3- 1
VO3+ 2
u2
u2
u2
30 VO6+
u2
29 VO6-
VO5- 3
28 VO2+
VO5+ 4
27 VO2-
VO4- 5
26 VO1+
VO4+ 6
P-GND1 7
S-GND 8
VREF 9
Power system ground
Signal system ground
Reference voltage
IN- MUTE 10
O- RESET 11
MUTE
RESET
The reset output
goes low when
VREF is under 0.7
V.
22 k:
VIN4 12
-
22 k: +
22 k:
VIN5 13
22 k:
-
+
VIN3+ 14
u3/8
VIN3- 15
u3/8
25 VO1-
Power system
ground
24 P-GND2
+
-
23 P-VCC (IN)
Power system VCC
3.3 VREG
22 3.3VREG(OUT)
Signal system VCC
21 S-VCC (IN)
22 k:
-
+
22 k:
22 k:
-
+
20
200 :
19
VIN1
VIN2
u3/8
18 VIN6+
u3/8
17 VIN6-
Overheat protection circuit
(Thermal shutdown)
5VREG
16 5VREG
No.7740-5/8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet LA6568.PDF ] | |
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