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參數資料
| 型號： | AK4544AVQ |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | CABLE ASSEMBLY; BNC MALE TO N MALE; 50 OHM, RG223/U COAX, DOUBLE SHIELDED; 36" CABLE LENGTH |
| 中文描述： | AC97多媒體音頻編解碼器與SRC |
| 文件頁數： | 1/35頁 |
| 文件大小： | 381K |
| 代理商： | AK4544AVQ |
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[ASAHI KASEI] [AK4544A]
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Block Diagram
Analog Section
ADC
DAC
Control Signals
LINE_IN
CD
AUX
VIDEO
MIC1
SYNC
SDATA_OUT
SDATA_IN
BIT_CLOCK
RESET#
MIC2
Phone
PC_BEEP
LINE_OUT
TRUE_LINE_LEVEL
MONO_OUT
AC'97
Registers
and
Control
Logic
AC
Link
Interface
Power Management
Clock Generator
3D Stereo Enhancement
Volume
and
Mute
Control
Volume
and
Mute
Control
Digital Section
Multiple Codec Support
Codec ID#
Voltage
Reference
EAPD
SEL_CMOS
PLL
Dataslot
Controller
Input
Multiplexer
Output
Mixer
General Description
The AK4544A is a 18bit high performance codec which support
variable sampling rate conversion compliant with Audio Codec ’ 97
Rev 2.1 requirements.
The AK4544A provides two pairs of stereo outputs with independent
volume controls, a mono output, and multiple stereo and mono inputs,
along with flexible mixing, gain and mute functions to provide a
complete integrated audio solution for PCs. In addition, the AK4544A
has the POP feature suitable for 3D positioning and direct output from
DAC for AD monitoring or docking station application.
The AK4544A can function as a Primary AC’ 97 or Secondary codec
depending on the codec ID configuration(Multiple codec extension),
making the AK4544A suitable for the docking station application and
multiple codec applications.
Sampling frequency is programmable through AC-link as 48k, 44.1k,
32k, 22.05k, 16k, 11.025k, and 8kHz. This setting is done independent
to ADC and DAC side while L/R channels are kept identical.
The AK4544A provides excellent audio performance, meeting or
exceeding PC99 requirements for a PCI audio solution. It has low
power consumption, and flexible power-down modes for use in laptops
as well as desktop PCs and aftermarket add-in boards.
Like the earlier pin-compatible AK4540, AK4541, AK4542, and
AK4543, the AK4544A is available in a compact 48-lead LQFP
package.
Reference : Audio Codec ’ 97 Revision 2.1
F eatures
AC’ 97 Rev. 2.1 Compliant
18bit Resolution A/D and D/A
Exceeds PC99 Performance Requirements:
AK4544A (@fs=48k)
A/D………………90dBA
D/A………………89dBA
A-A………………95dBA
Analog Inputs:
4 Stereo Inputs: LINE, CD, VIDEO, AUX
Speakerphone and PC BEEP Inputs
2 Independent MIC Inputs
Variable Sampling Rate Support
48k, 44.1k, 32k, 22.05k, 16k, 11.025k, 8k
Analog Output:
Stereo LINE Output with volume control
True Line Level with volume control
Mono Output with volume control
3D Stereo Enhancement
POP Function & DAC Feed Back Control
Multiple codec Capability
The AK4544A can work as a Primary or Secondary
codec depended on codec ID configuration.
EAPD(External Amplifier Powerdown) Support
Power Supplies: Analog 5.0V, Digital 5.0V or 3.3V
Low Power Consumption
230mW(Analog:5V/Digital:3.3V) at full operation
48 Pin L QF P Package
AC’ 97
Multimedia Audio CODEC with SRC
AK 4544A
* AKM assumes no responsibility for the usage beyond the conditions in this data sheet.
相關PDF資料 |
PDF描述 |
|---|---|
| AK4544 | AC97 MULTIMEDIA AUDIO CODEC WITH SRC |
| AK4545 | AC97 AUDIO CODEC WITH SRC AND DIT |
| AK4545VQ | AC97 AUDIO CODEC WITH SRC AND DIT |
| AK4551 | LOW POWER & SMALL PACKAGE 20BIT CODEC |
| AK4551VT | LOW POWER & SMALL PACKAGE 20BIT CODEC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AK4545 | 制造商:AKM 制造商全稱:AKM 功能描述:AC97 AUDIO CODEC WITH SRC AND DIT |
| AK4545VQ | 制造商:AKM 制造商全稱:AKM 功能描述:AC97 AUDIO CODEC WITH SRC AND DIT |
| AK4550 | 制造商:AKM 制造商全稱:AKM 功能描述:EVALUATION BOARD REV.C FOR AK4550 |
| AK4550VT | 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER & SMALL PACKAGE 16BIT CODEC |
| AK4550VT-E2 | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述: |
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