LA74310LP_08 SANYO [Sanyo Semicon Device], LA74310LP_08 Datasheet - Page 14

• Manufacturer Part Number: LA74310LP_08
• Description: Audio Interface for DSC + Video Driver
• Manufacturer: SANYO [Sanyo Semicon Device]

Continued from preceding page.
Pin No.
12
13
14
15
16
17
20
18
19
21
22
SPK OUT+
Pin Name
MIX OUT
SP OUT-
BEEP IN
SP GND
SP GND
V CC SP
VREFL
SPK IN
NC
NC
DC voltage
1.27V
1.27V
1.64V
2.30V
1.27V
1.58V
3.3V
0V
0V
At PB reference input
Output level = -8dBV
(EVR MAX)
At PB reference input
Output level = -8dBV
(EVR MAX)
At PB reference input
Output level = -8dBV
(EVR MAX)
At PB reference input
Output level = -8dBV
Maximum input level
= -8dBV
AC voltage
LA74310LP
MIC V CC and VREFL ripple
rejection pin
NC pin
Speaker positive-phase output
pin
Speaker power pin
Pin for output of speaker reversed
phase
Speaker input pin
NC pin
EVR output pin
Speaker GND pin
Speaker GND pin
Description of functions
12
15
20
21
22
Equivalent circuit diagram in pin
400Ω
10kΩ 11kΩ
V CC SP(=3.3V)
400Ω
V CC SP(=3.3V)
V CC A(=3.0V)
V CC A(=3.0V)
10kΩ
2kΩ
V CC A(=3.0V)
Continued on next page.
17
35kΩ
10.7kΩ
200kΩ
500Ω
VREFL
VREFL
2kΩ
No.A0904-14/22
3.9kΩ
17