參數(shù)資料
型號: AK5351
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: Enhanced Dual Bit ΔΣ 20 Bit ADC(用于立體聲數(shù)字系統(tǒng)的20位2通道A/D轉(zhuǎn)換器(采用加強(qiáng)型雙位結(jié)構(gòu)))
中文描述: 增強(qiáng)雙位ΔΣ20位ADC(用于立體聲數(shù)字系統(tǒng)的20位2通道的A / D轉(zhuǎn)換器(采用加強(qiáng)型雙位結(jié)構(gòu)))
文件頁數(shù): 6/19頁
文件大小: 174K
代理商: AK5351
ASAHI KASEI
[AK5351]
0166-E-00
1997/4
- 6 -
ANALOG CHARACTERISTICS
(Ta=25
°
C; VA,VD,VB=5.0V; fs=48kHz; 20bit; Input signal frequency=1kHz,
Measurement Bandwidth=10Hz~20kHz; unless otherwise specified.)
Parameter
min
typ
20
max
Units
Bits
Resolution
Analog Input Characteristics (Analog source impedance: 330
)
S/(N+D) (Note 4 )
Dynamic Range (A-weighted) (Note 5 )
S/N (A-weighted) (Note 6 )
Interchannel Isolation (f=1kHz)
Interchannel Gain Mismatch
Gain drift
Input Voltage Range
Input Impedance
Power Supplies
Power Supply Current (Note 7 )
Normal Operation (PD="H")
VA+VB
VD
Power-Down mode (PD="L")
VA+VB
VD
Power Consumption (Note 7 )
Normal Operation
Power-Down mode
Power Supply Rejection Ratio
Note 4 : The ratio of the rms value of the signal to the sum of all other spectral components up to 20kHz
except for the signal (included harmonic component, excluded DC component, analog input
signal is -0.5dB). Inversed of THD+N.
Note 5 : S/(N+D) with an input signal of 60dB below full-scale.
Note 6 : When using only 20kHzLPF, S/N and DR are 99dB(typ.). When using CCIR-ARM filter,
S/N is 99dB(typ.)
Note 7 : Almost no current is supplied from VB pin.
88
97
97
100
97
103
103
120
0.1
±
200
±
2.10
50
dB
dB
dB
dB
dB
0.3
ppm/
°
C
Vp-p
k
±
1.97
30
±
2.23
15
6
20
10
25
9
mA
mA
uA
uA
105
150
50
170
mW
uW
dB
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