參數(shù)資料
型號(hào): AK5356
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: LOW POWER 20BIT ADC WITH MIC AMP & PGA
中文描述: 低功耗20位ADC,具有麥克風(fēng)放大器
文件頁數(shù): 6/22頁
文件大?。?/td> 156K
代理商: AK5356
ASAHI KASEI
[AK5356]
MS0171-E-00
2002/08
- 6 -
ANALOG CHARACTERISTICS
(Ta=25
°
C; AVDD, DVDD=2.5V, MVDD=2.7V; AVSS, DVSS, MVSS=0V; fs=44.1kHz; Signal Frequency =1kHz;
Measurement Frequency=10Hz
20kHz; unless otherwise specified)
Parameter
Pre-Amp Characteristics:
Positive Input Pin (Note 6)
Input Resistance
Negative Input Pin (Note 7)
Gain Error (+13dB, +18dB, +28dB, +33dB)
Maximum Output Voltage(Gain=+13dB,+18dB,+28dB,+33dB)
(THD+N
0.1%) (Note 8)
Gain = +33dB
Gain = +28dB
Gain = +18dB
Gain = +13dB
Gain = +33dB
Gain = +28dB
Gain = +18dB
Gain = +13dB
Interchannel Gain Mismatch
(Gain = +13dB, +18dB, +28dB, +33dB)
Gain = +33dB
Interchannel Isolation
Gain = +28dB, +18dB, +13dB
Load Resistance
Load Capacitance
Gain = +33dB
Gain = +28dB
Gain = +18dB
Gain = +13dB
MIC Power Characteristics:
Output Voltage (No Load) (Note 10)
Output Power Supply Current
IPGA Characteristics:
Input Resistance (LIN, RIN, MICL, MICR pins)
Step Size
-40dB
-52dB
ADC Characteristics:
(Note 11)
Resolution
Input Voltage (Note 12)
IPGA = 0dB
S/(N+D) (-0.5dBFS Input)
IPGA= +28dB
IPGA = 0dB
D-Range (-60dBFS Input, A-weighted)
IPGA= +28dB
IPGA = 0dB
S/N (A-weighted)
IPGA= +28dB
IPGA = 0dB
Interchannel Isolation (Note 13)
IPGA= +28dB
IPGA = 0dB
Interchannel Gain Mismatch
IPGA= +28dB
min
typ
max
Units
50
100
-1.5
100
190
0
200
400
+1.5
k
dB
-3
-1.5
dBV
54
60
65
74
78
-91
-96
-105
-109
dB
dB
dB
dB
dBV
dBV
dBV
dBV
-86
S/(N+D) (Vout = -29.2dBV)
Output Noise Voltage
(No Input, Rg = 600
, A-weighted)
0.5
dB
75
5
90
100
46
52
64
73
dB
dB
k
pF
dB
dB
dB
dB
10
Power Supply Rejection (Note 9)
2.05
2.16
2.27
1
V
mA
6.3
0.1
0.1
0.1
-
-
9
0.5
1
2
2
4
15
1
2
4
-
-
k
dB
dB
dB
dB
dB
+28dB
-8dB
-8dB
-16dB
-16dB
-32dB
-32dB
-40dB
20
1.65
0.5
bits
Vpp
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
1.35
74
82
82
90
1.5
84
70
89
79
89
79
100
75
0.5
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