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參數(shù)資料
| 型號： | AK4201EU |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.065 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO12 |
| 封裝： | 2.90 X 2.20 MM, 0.50 MM PITCH, USON-12 |
| 文件頁數(shù)： | 3/13頁 |
| 文件大小： | 239K |
| 代理商： | AK4201EU |
[AK4201]
MS1077-E-00
2009/05
- 11 -
SYSTEM DESIGN
Top View
Power Supply
4.5
5.5V,
2.6
3.6V
DSP or
μP
10
1
0.1
(+)
+
1 LIN
2
3
4
5
6
LOUT
AVDD
VSS1
PVDD
CN
RIN
ROUT
PVEE
VSS2
PDN
CP
12
11
10
9
8
7
0.1
1
0.22
20k
Ω
20k
Ω
30k
Ω
Analog Input
Ci
Ri
Rf
Ci
Ri
+
10
Power Supply
4.5
5.5V,
2.6
3.6V
30k
Ω
Rf
Note:
1. The PDN pin should be held to “L” when powered-up. The PDN pin should be set to “H” after all power supplies are
powered-up. When power-down the AK4201, the PDN pin should be held to “L”.
Refer to “Power-Up/Down Sequence” to avoid pop noise when power-up/down the AK4201.
1) Power-Up
The power should be ON when the PDN pin = “L”. The PDN pin should be set to “H” 150ns after all power
supplies (AVDD, PVDD) are ON. 150ns “L” time or more is needed to reset the AK4201.
2) Power-Down
The AK4201 should be powered-down when the PDN pin = “L”.
2. 1uF~2.2uF ceramic capacitors (±35% including temperature characteristics and piece-to-piece variations) should be
connected to between the CP and CN pins, and the VSS1 and PVEE1 pins, respectively.
3. Both lines from the LIN pin and RIN pin to each Input resistance Ri and feedback resistance Rf should be
as short as
possible for better PSRR.
4. AC coupling capacitors should be connected to LIN and RIN pins, respectively.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4201EUP-L | 制造商:AKM Semiconductor Inc 功能描述:AK4201EUP-L |
| AK4203 | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo Cap-less LINE-Amp and Video-Amp |
| AK4203ET | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo Cap-less LINE-Amp and Video-Amp |
| AK4204 | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo Cap-less LINE-Amp and Video-Amp |
| AK4204ET | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo Cap-less LINE-Amp and Video-Amp |
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