參數(shù)資料
型號(hào): DAC3550A
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
元件分類: DAC
英文描述: ECONOLINE: RSZ/P - 1kVDC
中文描述: 32-BIT DAC, PQFP44
封裝: METRIC, PLASTIC, QFP-44
文件頁數(shù): 25/35頁
文件大?。?/td> 626K
代理商: DAC3550A
DAC 3550A
Micronas
25
4. Applications
4.1. Line Output Details
Fig. 4
1:
Use of FINL/R as Line Outputs
4.2. Recommended Low-Pass Filters for Analog
Outputs
*
Fig. 4
2:
1st-order low-pass filter
Fig. 4
3:
2nd-order low-pass filter
Fig. 4
4:
3rd-order low-pass filter
Table 4
1:
Load at FINL/R when used as Line Output
for external amplifier
Filter Order
R
dec
R
in
1st, 2nd, 3rd
680
> 10 k
R
dec
:Resistor used for decoupling C
line
from
FINL(R) to achieve stability
C
line
: Capacitive load according to e.g. cable,
amplifier
R
in
: Input resistance of amplifier
* without deemphasis circuit
Table 4
2:
Attenuation of 1st-order low-pass filter
Frequency
Gain
24 kHz
2.2 dB
30 kHz
3.0 dB
FINL(R)
AVSS
C
line
R
dec
R
in
330 pF
15 k
15 k
1st-order
-
FINL(R)
FOPL(R)
FOUTL(R)
Table 4
3:
Attenuation of 2nd-order low-pass filter
Frequency
Gain
24 kHz
1.5 dB
30 kHz
3.0 dB
Table 4
4:
Attenuation of 3rd-order low-pass filter
Frequency
Gain
18 kHz
0.17 dB
24 kHz
0.23 dB
30 kHz
3.00 dB
11 k
220 pF
11 k
11 k
1.0 nF
-
FINL(R)
FOPL(R)
FOUTL(R)
2nd-order
AVSS
-
FINL(R)
FOPL(R)
FOUTL(R)
15 k
120 pF
7.5 k
7.5 k
1.8 nF
1.8 nF
7.5 k
3rd-order
AVSS
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