參數(shù)資料
型號: AN7515SH
廠商: PANASONIC CORP
元件分類: 音頻控制
英文描述: Audio signal processing IC for notebook PC
中文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO56
封裝: 0.300 INCH, 1 MM HEIGHT, HEAT SINK, PLASTIC, TSOP-56
文件頁數(shù): 19/29頁
文件大?。?/td> 396K
代理商: AN7515SH
AN7515SH
19
SDC00036BEB
I
Application Notes (continued)
1. Pin descriptions (continued)
Pin 37 (ripple filter (headphone))
A recommended value is 47
μ
F.
If capacitor value is bigger, rise time at standby is longer.
If capacitor value is smaller, rise time at standby is shorter, but there are possibilities of pop sound occurrence
and deteriorations of power supply ripple rejection and cross talk and THD.
Pin 39 (volume control)
Please put a variable volume of 50 k
or more between headphone V
CC
and headphone GND.
Pin 40 (ripple filter (line amplifier))
A recommended value is 47
μ
F.
If capacitor value is bigger, rise time at standby is longer.
If capacitor value is smaller, rise time at standby is shorter, but there are possibilities of pop sound occurrence
and deteriorations of power supply ripple rejection and cross talk and THD.
Pin 41 (standby (line amplifire, headphone amplifier))
Swichting time depends on value of pin 37 and pin 40 capacitors.
Pin 42 (N.C.)
Pin 42 connects to IC's heat sink (fin).
1) Case of not using bass boost
Please open pin 6, pin 45, pin 46, pin 47, pin 48, pin 49 and pin 50.
Please connect pin 51 to GND.
2) Case of not using line amplifire
Please open pin 27, pin 28, pin 29, pin 31 and pin 32.
Please connect pin 33 to GND.
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