an12949a Panasonic Corporation of North America, an12949a Datasheet - Page 18

• Manufacturer Part Number: an12949a
• Description: Audio Power Ic For Note Pc
• Manufacturer: Panasonic Corporation of North America

AN12949A
No.
Pin
46
47
48
Technical Data (continued)
I/O block circuit diagrams and pin function descriptions (continued)
Note) The characteristics listed below are reference values based on the IC design and are not guaranteed.
AGC_ON/OFF
AGC_Attack
and voltage
Waveform
Test1
VCCSP
VCCSP
GND
GND
47
46
GND
48
Internal circuit
GND
GND
80k
80k
SDF00043BEB
Input impedance
Input impedance
Impedance
= Hi-Z
= Hi-Z
—
It is a control terminal that switches
the AGC function for the clip
prevention
of the speaker output in ON/OFF.
High: AGC-OFF
Low: AGC-ON
It is a control terminal that switches
the attack time of AGC.
Binary attack time can be selected by
the High/Low setting of Pin47.
High: 2 ms
Low: 1 ms
Terminal for testing.
Please connect to Ground.
Description
18