la4815m Sanyo Semiconductor Corporation, la4815m Datasheet - Page 5

• Manufacturer Part Number: la4815m
• Description: Monaural Power Amplifier
• Manufacturer: Sanyo Semiconductor Corporation

Pin Functions
Pin No.
1
2
3
4
5
6
7
8
Pin Name
GAIN1
PGND
GAIN2
GND1
MUTE
OUT
V CC
IN
Pin Voltage
V CC = 6V
1.57
2.94
0.2
2.3
0.2
0
0
6
Gain switching pin.
• 26dB mode when left open.
• 40dB mode when connected to ground.
(Both pins 1 and 8 must be reconfigured at
the same time.)
Preamplifier system ground pin.
Input pin.
Power amplifier ground pin.
Power amplifier output pin.
Power supply pin.
Mute control pin.
• Mute ON ⇒ Low
• Mute OFF ⇒ High
Gain switching pin.
• 26dB mode when left open.
• 40dB mode when connected to ground.
(Both pins 1 and 8 must be reconfigured at
the same time.)
LA4815M
Description
7
V CC
5
3
1
8
V CC
V CC
10kΩ
30kΩ
V CC
V CC
40kΩ
Equivalent Circuit
30kΩ
122Ω
125Ω
10kΩ
100kΩ
500Ω
Pre-Amp
500Ω
10kΩ
10kΩ
+
-
Pre-Amp
GND
No.A1373-5/14
OUT
GND
GND
V CC
Vbias
V CC
GND