Sanyo EP93F User Manual
LA6548NH
LA6548ND
LA6548NH
LA6548ND
14
1
2
3
4
5
6
7
8
9
10
11
12
13
FR
15
28
27
26
25
24
23
22
21
20
19
18
17
16
FR
11k
11k
15.4k
15.4k
11k
11k
15.4k
15.4k
3.3V REG
RESET
GND
GND
VCC2
VREF
VIN4
VG4
VO4+
VO3+
VG3
VIN3
CD
RESET
( NC )
( NC )
VO4-
VO3-
VCC1
MUTE
VIN1
VG1
VO1+
VO2+
VG2
VIN2
REG-C
REG-B
( NC )
( NC )
VO1-
VO2-
30
29
28
27
26
25
24
17
23
22
21
20
19
18
16
1
2
3
4
5
6
7
11k
11k
15.4k
15.4k
11k
11k
15.4k
15.4k
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
13
15
29
Car Audio
30
Car Audio
Block Diagram
Block Diagram
Muting (output on/off)
Level shifter
Level shifter
Level shifter
Level shifter
Collector connection for the
external pnp transistor
external pnp transistor
Base connection for the
external pnp transistor
external pnp transistor
Muting (output on/off)
Level shifter
Level shifter
Level shifter
Level shifter
Collector connection for the
external pnp transistor
external pnp transistor
Base connection for the
external pnp transistor
external pnp transistor
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
Overview
Functions and Features
Overview
Functions and Features
■
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 (3.3 V output, requires an external pnp transistor)
■
Thermal shutdown circuit
■
Package: DIP30SDLF (400 mil)
■
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 (3.3 V output, requires an external pnp transistor)
■
Thermal shutdown circuit
■
Package: HSOP28H (375 mil)
The LA6548ND is a 4-channel driver for CD players/decks that features BTL amplifier circuits in all four channels.
The LA6548NH is a 4-channel driver for CD players/decks that features BTL amplifier circuits in all four channels.
3.3V REG
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-