dac3555a Micronas, dac3555a Datasheet - Page 29

• Manufacturer Part Number: dac3555a
• Description: Stereo Audio Dac
• Manufacturer: Micronas

PRELIMINARY DATA SHEET
4.3. Recommendations for Filters and Deemphasis
Fig. 4–4: General circuit schematic
Table 4–5: Resistor and Capacitor values
Micronas
FOUTL(R)
R1 (k )
C1 (pF)
R2 (k )
C2 (pF)
R3 (k )
C3 (pF)
R4 (k )
R5 (k )
C4 (nF)
R1
C1
AVSS
R2
C2
FOPL(R)
1st order
0
open
18
open
18
180
0
18
1.8
R4
-
C3
R3
2nd order
11
1000
11
180
11
22
1.0
FINL(R)
R5
C4
3rd order
7.5
560
7.5
270
15
82
7.5
22
1.0
DEEML(R)
4.4. Recommendations for MegaBass Filter
FOUTL(R)
Fig. 4–1: General circuit schematic
Table 4–6: Resistor and Capacitor values
R1 (k )
C1 (nF)
R2 (k )
R3 (k )
R4 (k )
R5 (k )
C2 (nF)
without Deemphasis
R1
C1
AVSS
R2
FOPL(R)
ON
R3
DC-Gain = 10 dB
fc1
fc2
13
47
0
15
15
13
47
OFF
-
DAC 3555A
R4
AVSS
= 100 Hz
= 330 Hz
C2
R5
FINL(R)
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