參數(shù)資料
型號(hào): AK5366VQ
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類(lèi): 圓形連接器
英文描述: Circular Connector; No. of Contacts:6; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-6 RoHS Compliant: No
中文描述: 24位48KHz的ADC,帶選擇器/美國(guó)PGA / ALC的
文件頁(yè)數(shù): 22/43頁(yè)
文件大?。?/td> 338K
代理商: AK5366VQ
ASAHI KASEI
[AK5366
]
MS0309-E-00
2004/05
- 22 -
Input Attenuator
The input ATTs are constructed by adding the input resistor (Ri) for LIN1-5/RIN1-5 pins and the feedback resistor (Rf)
between LOPIN (ROPIN) pin and LOUT (ROUT) pin (Figure 8). The input voltage range of the IPGAL/IPGAR pin is
typically typ. 0.2 x AVDD (Vrms). If the input voltage of the input selector exceeds typ. 0.2 x AVDD, the input voltage of
the IPGAL/IPGAR pins must be attenuated to 0.2 x AVDD by the input ATTs. Table 8 shows the example of Ri and Rf.
LIN1
LIN2
LIN3
LIN4
LIN5
RIN1
RIN2
RIN3
RIN4
RIN5
IPGAL
ROPIN
ROUT
IPGAR
LOPIN
LOUT
Pre-Amp
Pre-Amp
To IPGA
To IPGA
Ri
Ri
Ri
Ri
Ri
Ri
Ri
Ri
Ri
Ri
Rf
Rf
Figure 8. Input ATT
Example for input range
Input Range
4Vrms
2Vrms
1Vrms
Ri [k
]
47
47
47
Rf [k
]
12
24
47
ATT Gain [dB]
11.86
5.84
0
IPGAL/R pin
1.02Vrms
1.02Vrms
1Vrms
Table 8. Input ATT example
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