la6548nh Sanyo Semiconductor Corporation, la6548nh Datasheet - Page 4

• Manufacturer Part Number: la6548nh
• Description: For Cd Players And Recorders Four-channel Driver Ic
• Manufacturer: Sanyo Semiconductor Corporation

Pin Functions
Equivalent Circuits
Pin No.
Pin No.
12
11
17
18
26
25
10
19
20
24
23
3
4
5
6
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
V IN 1
VG1
V IN 2
VG2
V IN 3
VG3
V IN 4
VG4
V O 1 +
V O 1 -
V O 2 +
V O 2 -
V O 3 +
V O 3 -
V O 4 +
V O 4 -
Pin
REG_C
REG_B
RESET
V CC 1
MUTE
VREF
V CC 2
V O 1 +
V O 2 +
V O 3 +
V O 4 +
V O 1 -
V O 2 -
V O 3 -
V O 4 -
V IN 1
V IN 2
V IN 3
V IN 4
(NC)
(NC)
(NC)
(NC)
VG1
VG2
VG3
VG4
Pin
CD
Input pins.
Output pins.
Power supply (This pin is shorted to V CC 2 (pin 28)
Output on/off control
Channel 1 input
Channel 1 input (Gain setting)
Channel 1 output (+)
Channel 1 output (-)
(This pin must not be used.)
(This pin must not be used.)
Channel 2 output (-)
Channel 2 output (+)
Channel 2 input (Gain setting)
Channel 2 input
Connect this pin to the external pnp transistor collector. (This is the 3.3V regulator output)
Connect this pin to the external pnp transistor base.
Reset output
Connection for the reset delay time setting capacitor
Channel 3 input
Channel 3 input (Gain setting)
Channel 3 output (+)
Channel 3 output (-)
(This pin must not be used.)
(This pin must not be used.)
Channel 4 output (-)
Channel 4 output (+)
Channel 4 input (Gain setting)
Channel 4 input
Reference voltage input
Power supply (This pin is shorted to V CC 1 (pin 1)
Description
LA6548NH
GND
V CC
V CC
GND
Description
GND
V IN G*
Equivalent circuit
GND
V IN *
V CC
33kΩ
11kΩ
V CC
GND
V CC
Continued on next page.
V O *-/+
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