La6541nd, Four-channel driver ic for cd players/decks – Sanyo EP93F User Manual
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LA6541ND
LA6541ND
30
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28
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17
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1
2
3
4
5
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11k
+
-
+
-
+
-
+
-
11k
15.4k
15.4k
11k
11k
15.4k
15.4k
5V REG
RESET
VCC2
VREF
VIN4
VG4
VO4+
VO3+
GND
GND
GND
VIN3G
VIN3
CD
RESET
VO4-
VO3-
VCC1
MUTE
VIN1
VG1
VO1+
GND
GND
GND
VO2+
VG2
VIN2
REG-C
REG-B
VO1-
VO2-
14
8
9
10
11
12
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15
27
Car Audio
28
Car Audio
LA6541NM
LA6541NH
14
1
2
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5
6
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8
9
10
11
12
13
FR
15
28
27
26
25
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FR
11k
11k
15.4k
15.4k
11k
11k
15.4k
15.4k
5V REG
RESET
GND
GND
VCC2
VREF
VIN4
VG4
VO4+
VO3+
VIN3G
VIN3
CD
RESET
( NC )
( NC )
VO4-
VO3-
VCC1
MUTE
VIN1
VG1
VO1+
VO2+
VG2
VIN2
REG-C
REG-B
( NC )
( NC )
VO1-
VO2-
Four-Channel Driver IC for CD Players/Decks
Four-Channel Driver IC for CD Players/Decks
Four-Channel Driver IC for CD Players/Decks
Four-Channel Driver IC for CD Players/Decks
The LA6541ND is a 4-channel driver for CD players/decks that features BTL amplifier circuits in all four channels.
■
Four power amplifier (BTL connection) circuits
■
Iomax: 0.7 A
■
Built-in level shifter circuits
■
Built-in muting circuit mutes all outputs (This circuit operates for the BTL
amplifier channels but does not affect the regulator circuit.)
■
Built-in regulator (5 V output, requires an external pnp transistor)
■
Thermal shutdown circuit
■
Package: DIP30SDLF (400 mil)
Overview
Functions and Features
Overview
Functions and Features
Block Diagram
Block Diagram
Muting (output on/off)
Level shifter
Level shifter
Level shifter
Level shifter
Collector connection for the
external pnp transistor
Base connection for the
external pnp transistor
Muting (output on/off)
Level shifter
Level shifter
Level shifter
Level shifter
Collector connection for the
external pnp transistor
Base connection for the
external pnp transistor
The LA6541NH is a 4-channel driver for CD players/decks that features BTL amplifier circuits in all four channels.
■
Four power amplifier (BTL connection) circuits
■
Iomax: 0.7 A
■
Built-in level shifter circuits
■
Built-in muting circuit mutes all outputs (This circuit operates for the BTL
amplifier channels but does not affect the regulator circuit.)
■
Built-in regulator (5 V output, requires an external pnp transistor)
■
Thermal shutdown circuit
■
Package: HSOP28H (375 mil)
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-