參數(shù)資料
型號: AK2305
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Dual PCM CODEC for ISDN TERMINAL ADAPTER
中文描述: 雙PCM編解碼器的ISDN終端適配器
文件頁數(shù): 40/43頁
文件大?。?/td> 481K
代理商: AK2305
ASAHI KASEI
[AK 2305]
C0029-E-02 1999/8
DTIN0, DTIN1 INPUT
There are the following 2 cases in case of that DTMF tone is input through DTIN0,DTIN1.
(1)DTMF tone is output from AMPT0,AMPT1 included AK2305
Connect GSXn with DTINn directly.
AK2305
GSXn
DTINn
(2) DTMF tone is output from an external amplifier
DTMF tone is input to DTIN0,DTIN1 through an external capacitance of more than 0.1uF.
AK2305
DTIN0
DTIN1
C
Analog ground stabilization capacitor
An external capacitor of more than 0.1uF should be connected between VREF and AVSS to stabilize
analog ground (VREF).
AK2305
VRE F
+C
PLL Loop filter capcitor
An external capacitor of more than 0.22uF should be connected between LPC and AVSS.
AK2305
LPC
+C
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