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參數資料
| 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： | 1/43頁 |
| 文件大?。?/td> | 481K |
| 代理商： | AK2305 |
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ASAHI K ASEI [AK 2305]
C0029-E-02 1 1999/8
AK2305
Dual PCM CODEC for ISDN TERMINAL ADAPTER
GENERAL DESCRIPTION
AK 2305 is a dual PCM CODE C-F ilter most
suitable for ISDN T erminal Adapter. A-law/u-
law is selected by the internal register.
In addition to CODE C, this device has dual
DT MF receiver and E xternal T one Input pin.
Input/output operational amplifiers included in
this device are used for transmit/receive gain
adjustment. AK 2305 has internal volume control
to attenuate signal from 0dB to –12dB by 3dB
step control which is defined by an internal
register written through the serial interface.
PCM interface of AK 2305 accepts several clock
formats, which are L ong F rame, Short F rame,
GCI, IDL . 64k-4096kHz clock input is available
for PCM interface.
FEATURE
-
Dual PCM CODE C and F iltering systems for
ISDN T erminal Adapter
-
Dual DT MF R eceiver
-
E xternal T one Input(AUX )
-
Independent functions on each channel
- F rame Sync Signal(8kHz)
- Power Down Mode(Pin/Register operation)
- Mute(Pin/Register operation)
- Gain Adjustment: 0 to -12dB (3dB step)
-
Selectable PCM Data Interface T iming:
L ong F rame / Short F rame / GCI / IDL
-
V ariable PCM Data Rate:
64k x N [Hz] (64k - 4.096MH z)
-
Operational Amplifier for Gain Adjustment
-
A-law/u-law Register Selectable
-
Serial Interface
-
Power on R eset
-
Single +5V ± 5% CMOS technology
-
L ow Power Consumption (85mW typ)
PACKAGE
- 48L QF P
9.0 x 9.0 mm (0.5mm pin pitch)
相關PDF資料 |
PDF描述 |
|---|---|
| AK2306 | Dual PCM CODEC for ISDN/VoIP TERMINAL ADAPTER |
| AK2306LV | Dual PCM CODEC for ISDN/VoIP TERMINAL ADAPTER |
| AK2307 | SPEECH CODEC for Digital Key telephone (5.0V/3.3V) |
| AK2307LV | SPEECH CODEC for Digital Key telephone (5.0V/3.3V) |
| AK2347 | JT 37C 37#22D PIN GRND PLUG |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AK2306 | 制造商:AKM 制造商全稱:AKM 功能描述:Dual PCM CODEC for ISDN/VoIP TERMINAL ADAPTER |
| AK2306LV | 制造商:AKM 制造商全稱:AKM 功能描述:Dual PCM CODEC for ISDN/VoIP TERMINAL ADAPTER |
| AK2306LVM | 制造商:AKM 制造商全稱:AKM 功能描述:ISDN/VoIP?????????????????￠???????????¨ ????????￡??3?????? ??°??￡??-??3???????????ˉ ?????3??? |
| AK2306VM | 制造商:AKM 制造商全稱:AKM 功能描述:ISDN/VoIP?????????????????￠???????????¨ ????????￡??3?????? ??°??￡??-??3???????????ˉ ?????3??? |
| AK2307 | 制造商:AKM 制造商全稱:AKM 功能描述:SPEECH CODEC for Digital Key telephone (5.0V/3.3V) |
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