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参数资料
| 型号： | AK4665AEN |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, QCC32 |
| 封装： | 5 X 5 MM, 0.50 MM PITCH, LEAD FREE, QFN-32 |
| 文件页数： | 49/52页 |
| 文件大小： | 522K |
| 代理商： | AK4665AEN |
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ASAHI KASEI
[AK4665A]
MS0440-E-01
2006/05
- 6 -
ANALOG CHARACTERISTICS
(Ta=25
°C; AVDD=DVDD=HVDD=TVDD=3.0V, AVSS=DVSS=HVSS=0V; fs=44.1kHz; ALC1=DEM
=BOOST=ALC2=OFF; ATTL=ATTR=ATTS=0dB; Signal Frequency =1kHz; Measurement band width=20Hz
20kHz; unless otherwise specified)
Parameter
min
Typ
max
Units
ADC Resolution
-
20
bit
MIC Amplifier: MICIN pin
MGAIN1-0 bits = “00” or “01”
40
60
80
k
Input Resistance
MGAIN1-0 bits = “10” or “11”
20
30
40
k
MGAIN1-0 bits = “00”
-
1.5
-
Vpp
MGAIN1-0 bits = “01”
-
3.0
-
Vpp
MGAIN1-0 bits = “10”
-
0.75
-
Vpp
Input Voltage
MGAIN1-0 bits = “11”
-
0.047
-
Vpp
MGAIN1-0 bits = “00”
-
0
-
dB
MGAIN1-0 bits = “01”
-
6
-
dB
MGAIN1-0 bits = “10”
-
+6
-
dB
Gain
MGAIN1-0 bits = “11”
-
+30
-
dB
MIC Power Supply: MPWR pin
Output Voltage
1.8
2.0
2.2
V
Load Resistance
2
-
k
Load Capacitance
-
30
pF
ADC Analog Input Characteristics: AINL1/AINR1 pins
→ ADC → IVOL, IVOL=0dB, ALC1=OFF
S/(N+D) (
1dBFS)
78
90
-
dB
D-Range (
60dBFS, A-weighted)
84
94
-
dB
S/N (A-weighted)
84
94
-
dB
Interchannel Isolation
80
100
-
dB
Interchannel Gain Mismatch
-
0.2
0.5
dB
Gain Drift
-
200
-
ppm/
°C
Input Voltage
1.35
1.5
1.65
Vpp
Input Resistance
40
60
80
k
Power Supply Rejection (Note 7)
-
50
-
dB
DAC Resolution
20
bit
Headphone-Amp: (HPL/HPR pins) (Note 8) RL =16, HPG bit = “0”
0dBFS Output, HPG bit = “0”, Po=17mW@16
40
60
-
dB
3dBFS Output, HPG bit = “1”, Po=31mW@16
-
20
-
dB
S/(N+D)
0dBFS Output, HPG bit = “1”, RL=10k
-
80
-
dB
D-Range (
60dBFS Output, A-weighted)
80
88
-
dB
S/N (A-weighted)
80
88
-
dB
Interchannel Isolation
60
80
-
dB
Interchannel Gain Mismatch
-
0.2
1.0
dB
Gain Drift
-
200
-
ppm/
°C
0dBFS Output, HPG bit = “0”, RL=16
1.35
1.5
1.65
Vpp
3dBFS Output, HPG bit = “1”, R
L=16
-
2.0
-
Vpp
Output Voltage
0dBFS Output, HPG bit = “1”, RL=10k
-
2.83
-
Vpp
Load Resistance
16
-
Load Capacitance
-
300
pF
Power Supply Rejection (Note 7)
-
50
-
dB
Note 7. PSR is applied to AVDD, DVDD and HVDD with 1kHz, 50mVpp.
Note 8. DACHL=DACHR bits = “1”, MINHL=MINHR=LINHL=RINHR bits = “0”, ATTL7-0=ATTR7-0 bits=0dB.
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