an12949a Panasonic Corporation of North America, an12949a Datasheet - Page 22
an12949a
Manufacturer Part Number
an12949a
Description
Audio Power Ic For Note Pc
Manufacturer
Panasonic Corporation of North America
Datasheet
1.AN12949A.pdf
(28 pages)
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AN12949A
Technical Data (continued)
The explanation of the function for mainly (continued)
Note) The characteristics listed below are reference values based on the IC design and are not guaranteed.
2. AGC attack time (continued)
2) AGC attack time
"AGC Attack Time" can set up for 1 ms and for 2 ms.
Input waveform for AGC attack time observation
Output waveform at AGC attack time (BTL output waveform)
Attack time: 1 ms
( AGC_Attack: Pin 47 = Low )
SP_OUTR
VCC = VCCSP = 5 V, RL = 8 Ω
Non-Signal
Sin wave signal
1 ms
Signal Input
(f = 4 kHz)
–6 dBV
2 ms/div
SDF00043BEB
2 V/div
Set up the establishment of "Attack time" in the point which a sense of
incongruity is scarce in. Confirm it by using the speaker mounted on the
set at the signal such as music.
Attack time: 2 ms
( AGC_Attack: Pin47 = High )
SP_OUTR
VCC = VCCSP = 5 V, RL = 8 Ω
2 ms
2 ms/div
2 V/div
22
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