TC9470FN Datasheet, PDF (9/19 Pages) Toshiba Semiconductor – Modulation DA Converter with Built-in 8-Times Oversampling Digital Filter/Dynamic Digital Bass Boost/Analog Filter

The bus boost characteristics are shown in Figure 8.
TC9470FN
30
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0
−5
−10
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0.1
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100
Frequency (kHz)
a) Vin = −36dB input, DBB OFF, 1 kHz = 0dB.
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0
−5
−10
0.01
0.1
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100
Frequency (kHz)
b) Vin = −20dB input, DBB OFF, 1 kHz = 0dB.
Compressor characteristics
MID: EFS = “L” (−24dB)
max: EFS = “H” (−36dB)
MAGA: EFS = “H” (−36dB)
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25
20
15
10
5
0
−5
−10
0.01
0.1
1
10
100
Frequency (kHz)
c) Vin = 0dB input, DBB OFF, 1 kHz = 0dB.
Compressor’s compression characteristics
MID: EFS = “L” (−24dB)
max: EFS = “H” (−36dB)
MAGA: EFS = “H” (−36dB)
OFF
MID
max + HB
MEGA + HB
Figure 8 Dynamic Bass Boost Frequency Characteristics (V_DD = 2.7 V)
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2002-02-27