PCM3010

SLES055 – NOVEMBER 2002

11

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TYPICAL PERFORMANCE CURVES OF INTERNAL FILTER (DAC PORTION)

digital filter

Figure 10. Frequency Response (Sharp Rolloff)

Frequency [

× fS]

–140

–120

–100

–80

–60

–40

–20

0

0

123

4

AMPLITUDE

vs

FREQUENCY

Figure 11. Frequency Response, Pass-Band

(Sharp Rolloff)

Frequency [

× fS]

–0.05

–0.04

–0.03

–0.02

–0.01

0.00

0.01

0.02

0.03

0.04

0.05

0.0

0.1

0.2

0.3

0.4

0.5

AMPLITUDE

vs

FREQUENCY

0.00

f – Frequency – kHz

–10

–9

–8

–7

–6

–5

–4

–3

–2

–1

0

0.0

2.0

4.0

6.0

8.0

10.0

12.0

14.0

LEVEL

vs

FREQUENCY

f – Frequency – kHz

–0.5

–0.4

–0.3

–0.2

–0.1

–0.0

0.1

0.2

0.3

0.4

0.5

0.0

2.0

4.0

6.0

8.0

10.0

12.0

14.0

ERROR

vs

FREQUENCY

0.0

All specifications at TA = 25°C, VCC1 = VCC2 = 5 V, VDD = 3.3 V, fS = 44.1 kHz, SCKI = 384 fS, 24-bit data, unless otherwise noted.