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參數(shù)資料
| 型號(hào)： | AK5354 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | Lowe Power 20Bit ΔΣ ADC with PGA(帶可編程增益放大器的低電壓20位ΔΣA/D轉(zhuǎn)換器) |
| 中文描述： | 洛功率20位ΔΣADC的（帶可編程增益放大器的低電壓20位ΔΣA/數(shù)轉(zhuǎn)換器與美國PGA） |
| 文件頁數(shù)： | 4/19頁 |
| 文件大小： | 109K |
| 代理商： | AK5354 |
ASAHI KASEI
[AK5354]
MS0054-E-01
2001/01
- 4 -
ANALOG CHARACTERISTICS
(Ta=25
°
C; VA, VD=2.5V; fs=44.1kHz; Signal Frequency=1kHz; Measurement frequency=10Hz
～
20kHz;
unless otherwise specified)
Parameter
Resolution
Input PGA Characteristics (IPGA):
Input Voltage (LIN1, LIN2, RIN1, RIN2) (Note 2)
Input Impedance
Step Width
+28dB
～
-8dB
-8dB
～
-16dB
-16dB
～
-32dB
-32dB
～
-40dB
-40dB
～
-52dB
ADC Analog Input Characteristics:
(Note 3)
S/(N+D) (-0.5dBFS Input)
D-Range (EIAJ)
S/N (EIAJ)
Interchannel Isolation
Interchannel Gain Mismatch
Power Supplies
Power Supply Current: VA+VD
Normal Operation (PDN=“H”)
IPGA+AD (PM0=1, PM1=1)
Power Down (PDN=“L”) (Note 4)
min
typ
max
20
Units
bits
1.35
6.3
0.1
0.1
0.1
-
-
1.5
9
0.5
1
2
2
4
1.65
15
1
2
4
-
-
Vpp
k
dB
dB
dB
dB
dB
74
82
82
90
84
89
89
100
0.2
dB
dB
dB
dB
dB
0.5
7
10
10
100
mA
μ
A
Note: 2. Analog input voltage (full-scale voltage: IPGA = 0dB) scale with VREF. (IPGA = ADC = 0.6 x VREF)
Note: 3. ADC is input from LIN1/RIN1 or LIN2/RIN2 and it measures included in IPGA. The value of IPGA is set 0dB.
Internal HPF cancels the offset of IPGA and ADC.
Note: 4. In case of power-down mode, all digital input pins including clocks pins (MCLK, BCLK and LRCK) are held
VD or VSS. PDN pin is held VSS.
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| AK5354_04 | 制造商:AKM 制造商全稱:AKM 功能描述:Low Power 20bit ツヒ ADC with PGA |
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