DSD1796DBRG4 datasheet(13/61 Pages) TI1

13 / 61 page

DSD1796

SLES101A – DECEMBER 2003 – REVISED NOVEMBER 2006

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NOTE: PCM mode, fS = 48 kHz, 32768 point 8 average, TA = 25°C,

VDD = 3.3 V, VCC = 5 V, measurement circuit is Figure 32.

Figure 19. –60-db Output Spectrum, BW = 20 kHz

f – Frequency – kHz

−160

−140

−120

−100

−80

−60

−40

−20

1012

141618

AMPLITUDE

FREQUENCY

NOTE: PCM mode, fS = 96 kHz, 32768 point 8 average, TA = 25°C,

VDD = 3.3 V, VCC = 5 V, measurement circuit is Figure 32.

Figure 20. –60-db Output Spectrum, BW = 100 kHz

f – Frequency – kHz

−160

−140

−120

−100

−80

−60

−40

−20

102030

405060

708090

100

AMPLITUDE

FREQUENCY

NOTE: PCM mode, fS = 48 kHz, TA = 25°C, VDD = 3.3 V, VCC = 5 V,

measurement circuit is Figure 32.

Figure 21. THD+N vs Input Level, PCM Mode

−90 −80 −70

−60 −50

−40 −30

−20 −10

Input Level – dBFS

TOTAL HARMONIC DISTORTION + NOISE

INPUT LEVEL

0.1

0.01

0.001

0.0001

NOTE: DSD mode (FIR-2), 32768 point 8 average, TA = 25°C,

VDD = 3.3 V, VCC = 5 V, measurement circuit is Figure 33.

Figure 22. –60-db Output Spectrum, DSD Mode

f – Frequency – kHz

−160

−140

−120

−100

−80

−60

−40

−20

1012

141618

AMPLITUDE

FREQUENCY

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