PCM1793

SLES076A − MARCH 2003 − REVISED JANUARY 2004

www.ti.com

12

f − Frequency − kHz

−160

−150

−140

−130

−120

−110

−100

−90

−80

−70

−60

−50

0

5

10

15

20

AMPLITUDE vs FREQUENCY

Figure 19. −60-dB Output Spectrum, BW = 20 kHz

Figure 20. −60-dB Output Spectrum, BW = 100 kHz

f − Frequency − kHz

−160

−150

−140

−130

−120

−110

−100

−90

−80

−70

−60

−50

0

102030

405060

708090

100

AMPLITUDE vs FREQUENCY

NOTE: PCM mode, fS = 44.1 kHz, 32768 points, 8 average, TA = 25°C, VDD = 3.3 V, VCC = 5 V.

−100

−80

−60

−40

−20

0

Input Level − dBFS

TOTAL HARMONIC DISTORTION + NOISE

vs

INPUT LEVEL

100

0.1

0.01

0.001

0.0001

1

10

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

NOTE: PCM mode, fS = 44.1 kHz, TA = 25°C, VDD = 3.3 V, VCC = 5 V.