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參數(shù)資料
| 型號： | AK4543 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | AC’97 Rev 2.1 Multimedia Audio CODEC |
| 中文描述： | AC\u0026#39;97音效活2.1多媒體音頻編解碼器 |
| 文件頁數(shù)： | 5/31頁 |
| 文件大?。?/td> | 385K |
| 代理商： | AK4543 |
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[ASAHI KASEI]
[AK4543]
<M0046-E-01>
1999/01
- 5 -
AK4543 Analog Characteristics
Ta=25
°
C,AVdd=5.0V
±
5%, DVdd=3.3V
±
5% or 5V
±
5%, fs=48KHz, Signal Frequency =1kHz
All volume setting for ADC/DAC performance measurement is 0dB.
Parameter
Audio-ADC
Resolution
S/N (A weighted)
S/(N+D) (-1dB analog input)
Inter Channel Isolation
Inter Channel Gain Mismatch
Full Scale Input Voltage
Power Supply Rejection
Audio DAC:
measured at AOUTL/AOUTR via MIXER path
Resolution
S/N (A weighted)
: mixer+DAC measured at AOUT
S/(N+D) (-1dB digital input)
Inter Channel Isolation
Inter Channel Gain Mismatch
Full Scale Output Voltage
Total Out-of-Band Noise (28.8kHz - 100kHz)
Power Supply Rejection
MIC Amplifier / MUX
Gain : 20dB is selected
Master volume (Mono, Stereo, True Line Level Out) : 1.5dB x 32 step
Step Size
Attenuation Control Range
Load Resistance
PC Beep : 3dB x 16 step
Step Size
Attenuation Control Range
Analog Mixer : 1.5dB x 32 step
Step Size
Gain Control Range
Record Gain : 1.5dB x 16 step
Step Size
Gain Control Range
Mixer
Input Voltage (except for MIC)
Input Voltage MIC : Gain = 0dB
MIC : Gain = 20dB
S/N(A weighed) : 0dB setting, 1 path is selected at Mixer
CD to AOUT:
Other analog input to AOUT
Input Impedance (Input gain=0dB,Rec_MUTE=off)
PC_BEEP only
Others(PHONE, LINE, CD, AUX, VIDEO)
Input Impedance (MIC1 and MIC2)
Power Supplies
Analog Power Supply Current(AVdd1 & AVdd2)
All ON mode(all PR_bits are 0)
Cold Reset status(Reset#=L, Vref is ON)
All OFF mode(all PR_bits are 1)
Digital Power Supply Current(DVdd1 & DVdd2)
All ON mode(all PR_bits are 0) at DVDD=5V
All ON mode(all PR_bits are 0) at DVDD=3.3V
All OFF mode(all PR_bits are 1)
min
Typ
max
Units
18
Bits
dB
dBFS
dB
dB
Vrms
dB
85
70
70
90
77
77
0.5
1.12
0.88
1.0
50
18
Bits
84
75
70
89
83
80
dB
dBFS
dB
dB
Vrms
dB
dB
1.0
1.07
0.83
0.95
-70
50
18
20
22
dB
-1.5
dB
dB
k
-46.5
10
0
-3.0
dB
dB
-45
0
-1.5
dB
dB
-34.5
+12
+1.5
dB
dB
0
+22.5
1.0
1.0
0.1
Vrms
Vrms
Vrms
85
95
95
dB
dB
(10)
(10)
(10)
80
40
22
k
k
k
36
2.5
0
54
5
0.2
mA
mA
mA
13
6.6
0
20
10
0.2
mA
mA
mA
相關PDF資料 |
PDF描述 |
|---|---|
| AK4543VQ | AC’97 Rev 2.1 Multimedia Audio CODEC |
| AK4544A | AC97 MULTIMEDIA AUDIO CODEC WITH SRC |
| AK4544AVQ | CABLE ASSEMBLY; BNC MALE TO N MALE; 50 OHM, RG223/U COAX, DOUBLE SHIELDED; 36" CABLE LENGTH |
| AK4544 | AC97 MULTIMEDIA AUDIO CODEC WITH SRC |
| AK4545 | AC97 AUDIO CODEC WITH SRC AND DIT |
相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4543VQ | 制造商:AKM 制造商全稱:AKM 功能描述:AC’97 Rev 2.1 Multimedia Audio CODEC |
| AK4544 | 制造商:AKM 制造商全稱:AKM 功能描述:AC97 MULTIMEDIA AUDIO CODEC WITH SRC |
| AK4544A | 制造商:AKM 制造商全稱:AKM 功能描述:AC97 MULTIMEDIA AUDIO CODEC WITH SRC |
| AK4544AVQ | 制造商:AKM 制造商全稱:AKM 功能描述:AC97 MULTIMEDIA AUDIO CODEC WITH SRC |
| AK4545 | 制造商:AKM 制造商全稱:AKM 功能描述:AC97 AUDIO CODEC WITH SRC AND DIT |
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