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參數(shù)資料
| 型號(hào)： | AK4537 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | 16-Bit ツヒ Stereo CODEC with MIC/HP/SPK-AMP |
| 中文描述： | 16位ツヒ立體聲編解碼器與麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷 |
| 文件頁(yè)數(shù)： | 73/76頁(yè) |
| 文件大?。?/td> | 576K |
| 代理商： | AK4537 |
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ASAHI KASEI
[AK4537]
MS0202-E-04
2005/04
- 73 -
Revision History
Date (YY/MM/DD)
03/02/03
03/03/24
Revision
00
01
Reason
First Edition
Spec change:
Page
33
Contents
Headphone amp oscillation prevention circuit
0.22
μ
F+10
→
0.22
μ
F
±
20% capacitor and
10
±
20% resistor
Pin/Function
NC pin: “No internal bonding.”
→
“This pin
should be left floating.”
System Clock
The following caution is also added to EXT
mode:
“If PS1-0 bits are changed before LRCK is
input, MCKO is not output. PS1-0 bits should
be changed after LRCK is input in slave mode.”
MIC-ALC Operation (ALC1 Recovery Operation)
“If both Lch and Rch input signals are lower
than the “ALC1 Recovery Waiting Counter
Reset Level”, the ALC1 recovery operation
starts.”
→
“If Lch or Rch input signals are lower than
the “ALC1 Recovery Waiting Counter Reset
Level”, the ALC1 recovery operation starts.”
Register Definitions
ATTS2-0 bit: “0(OFF), 1(ON)” is removed.
Analog Input
“centered around the internal common voltage
(approx. AVDD/2)”
→
“centered around the internal common
voltage (0.45 x AVDD)”
Analog Output
“Mono output from the MOUT2 pin and Mono
Line Output from the MOUT+ and MOUT-
pins are centered at AVDD/2.”
→
“Mono output from the MOUT2 pin and
Mono Line Output from the MOUT+ and
MOUT- pins are centered at 0.45 x AVDD.”
System Clock
“If the sampling frequency is changed and the
PLL goes to unlock state when the DAC is
operated(PMDAC bit=“1”), the DAC data
should be soft-muted or “0”. In case of the
ADC(PMADL bit = “1” or PMADR bit = “1”),
the ADC data acquired during the frequency
change may be erroneous and therefore should
not be used.” is deleted.
Error correct:
5-6
22
27/21
56
59
59
03/05/23
02
Error correct:
21
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4537VN | 16-Bit ツヒ Stereo CODEC with MIC/HP/SPK-AMP |
| AK4538 | 16Bit DS CODEC with MIC/HP/SPK-AMP |
| AK4538VN | 16Bit DS CODEC with MIC/HP/SPK-AMP |
| AK4541VQ | AC’97 Rev 2.1 Multimedia Audio CODEC |
| AK4541 | AC’97 Rev 2.1 Multimedia Audio CODEC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4537VN | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP |
| AK4537VNP-L | 制造商:AKM Semiconductor Inc 功能描述:AK4537VNP-L |
| AK4538 | 制造商:AKM 制造商全稱:AKM 功能描述:16Bit DS CODEC with MIC/HP/SPK-AMP |
| AK4538VN | 制造商:AKM 制造商全稱:AKM 功能描述:16Bit DS CODEC with MIC/HP/SPK-AMP |
| AK4541 | 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC |
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