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| 型號： | AK4564VQ |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | 16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP |
| 中文描述： | 16位編解碼器，配有ALC和麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷 |
| 文件頁數(shù)： | 18/48頁 |
| 文件大小： | 382K |
| 代理商： | AK4564VQ |
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ASAHI KASEI
[AK4564]
MS0140-E-01
2002/07
- 18 -
n
Analog Mixing Circuit for Recording Block
LIN1
(RIN1)
-
+
typ.100k
To ADC
6.2k
6.2k
typ.100k
6.2k
6.2k
BEEP1
typ.100k
BEEP1
AIN1
AIN2
-
+
From Pre-Amp
PRE
AIN1, AIN2 or BEEP1
Ri
LIN2
(RIN2)
MIX1
MIX2
To HP-Amp
-
+
typ.20k
typ.100k
BEEP1Amp
To Rch MIX1
Figure 13. Analog Mixing Circuit for Recording Block
1. BEEP1 Input
When BEEP1 bit is “1”, the input signal via BEEP1 pin can be applied to ADC. This signal level can be adjusted by an
external resistor (Ri). Feed-back resistor of BEEP1-Amp is 20k
±
30%
. (Refer to Figure 13)
2. LINE Input
Input resistance of LIN1, RIN1, LIN2 and RIN2 are typically 100k
and centered around the VCOM voltage. When
the input voltage exceeds +2dBV, the input signals should be attenuated down to –4.3dBV at VA=2.8V by external
resistor divider.
When AIN1 bit is “1”, LIN1 and RIN1 pins are selected. When AIN2 bit is “1”, LIN2 and RIN2 pins are selected. If
AIN1 and AIN2 bits are selected at the both input signals are mixed by the ratio of “1:1”
3. MIX1-Amp
MIX1-Amp is powered-up when ADC bit = “1” or MIX1P bit = “0”.
4. MIX2-Amp
MIX2-Amp mixes Pre-Amp output and MIX1-Amp output at the ratio of “1:1”.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AKD4564 | 16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP |
| AK4565 | LOW POWER 20BIT CODEC WITH BUILT IN ALC |
| AK4565VF | LOW POWER 20BIT CODEC WITH BUILT IN ALC |
| AK4566 | 20bit Stereo CODEC with built-in IPGA & HP-AMP |
| AK4566VN | 20bit Stereo CODEC with built-in IPGA & HP-AMP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4565 | 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER 20BIT CODEC WITH BUILT IN ALC |
| AK4565VF | 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER 20BIT CODEC WITH BUILT IN ALC |
| AK4566 | 制造商:AKM 制造商全稱:AKM 功能描述:20bit Stereo CODEC with built-in IPGA & HP-AMP |
| AK4566VN | 制造商:AKM 制造商全稱:AKM 功能描述:20bit Stereo CODEC with built-in IPGA & HP-AMP |
| AK4568AER | 功能描述:IC CODEC LOW POWER 制造商:akm semiconductor inc. 系列:* 零件狀態(tài):上次購買時間 標(biāo)準(zhǔn)包裝:1,000 |
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