參數(shù)資料
型號(hào): AK4560AVQ
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16bit CODEC with ALC and MIC/HP/SPK-Amps
中文描述: 16位編解碼器ALC和麥克風(fēng)/惠普/胰腎聯(lián)合移植,放大器
文件頁數(shù): 7/47頁
文件大?。?/td> 339K
代理商: AK4560AVQ
ASAHI KASEI
[AK4560A]
MS0028-E-00
2000/05
- 7 -
ANALOG CHARACTERISTICS
(Ta=25
°
C; VA=VD=2.8V, MVDD=3.9V, SVDD=4.0V, HVDD=4.5V; AGND=DGND=MVSS=SVSS=0V; fs=48kHz;
Input Frequency = 1kHz; Measurement width = 20Hz
20kHz; unless otherwise specified)
Parameter
Pre-Amp Characteristics:
Input Resistance (Note 9)
Maximum Output Voltage (Note 10)
Gain
Load Resistance
Load Capacitance (Note 11)
EQ-Amp Characteristics:
(Gain:0dB)
Maximum Output Voltage (Note 11)
Load Resistance
Load Capacitance (Note 11)
HPF-Amp Characteristics:
(Gain: 0dB)
Maximum Output Voltage (Note 10)
Load Resistance
Load Capacitance (Note 11)
MIC Block Characteristics:
Measured via HPF_O_L/HPF_O_R (Note 12)
S/(N+D) (-10dBV Output)
Output Noise Voltage (No signal input, Rg = 1k
)
BW = 20Hz
20kHz, A-Weighted) (Note 13)
BW = 400Hz
30kHz (Note 14)
Interchannel Isolation
MIC Power Supply Characteristics:
Output Voltage (No Load) (Note 15)
Output Current
Note 9. INT_MIC_L, INT_MIC_R, EXT_MIC_L and EXT_MIC_R pins
Note 10. Maximum output voltage is typically (MVDD-1.3) V.
Note 11. When output pin drives some capacitive load, some resistor should be added in series between output pin and
capacitive load.
Note 12. These values are measured via the following path. EQ-Amp and HPF-Amp are a unity gain buffer.
Pre-Amp (Gain: +26dB
EQ-Amp (Gain: 0dB, Not add signal of other channel)
HPF-Amp (Gain: 0dB)
Note 13. In case of the following path, output noise voltage is suitable value for -59.4dB (typ) and -55.4dBV (min).
MIC Block (Gain: +26dB, Input from INT_MIC_L/INT_MIC_R pins)
IPGA (Gain: +26dB) + ADC
DAC+LINEOUT (Gain: +7.5dB, Measured via LOUT1/ROUT1 pins)
Note 14. In the following path, if analog input signal is –70dBV (Then analog output level is –10.5dBV at LINEOUT),
output noise voltage except the fundamental wave is suitable value for 58.4dBV(typ.) and –54.4dBV(min.).
Because it is not possible that each block of IPGA, ADC, DAC and LINEOUT output a distortion when the small
signal level is input.
MIC Block (Gain: +26dB, Input from INT_MIC_L/INT_MIC_R pins)
IPGA (Gain: +26dB) + ADC
DAC+LINEOUT (Gain: +7.5dB, Measured via LOUT1/ROUT1 pins)
Note 15. Output voltage is typically (MVDD - 1.4) V.
min
typ
max
Units
70
100
130
-1
+30
k
dBV
dB
k
pF
+18
1
+26
20
-1
dBV
k
pF
1
20
-1
dBV
k
pF
3
20
60
77
dB
-93
-92
90
-89
-88
dBV
dBV
dB
70
2.2
2.5
2.8
3
V
mA
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