PCM1850APJTG4 datasheet(10/32 Pages) BURR-BROWN

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High-Pass Filter Frequency Response

Frequency [

× fS/1000]

−1.0

−0.8

−0.6

−0.4

−0.2

0.0

0.2

G005

Frequency [

× fS/1000]

−100

−90

−80

−70

−60

−50

−40

−30

−20

−10

0.0

0.1

0.2

0.3

0.4

G006

ANALOG FILTER

Antialiasing Filter Frequency Response (at PGA Gain = –5.5 dB)

−6.5

−6.4

−6.3

−6.2

−6.1

−6.0

−5.9

−5.8

−5.7

−5.6

−5.5

f – Frequency – kHz

0.1

100

G007

−50

−45

−40

−35

−30

−25

−20

−15

−10

−5

f – Frequency – kHz

100

10k

f–3dB = 300 kHz

G008

PCM1850A

PCM1851A

SLES173 – MARCH 2006

TYPICAL PERFORMANCE CURVES OF INTERNAL FILTER (continued)

All specifications at T

A = 25°C, VCC = 5 V, VDD = 3.3 V, master mode, fS = 48 kHz, system clock = 256 fS, 24-bit data (unless

otherwise noted).

AMPLITUDE

FREQUENCY

Figure 5. HPF Pass-Band Characteristics

Figure 6. HPF Stop-Band Characteristics

AMPLITUDE

FREQUENCY

Figure 7. Antialiasing Filter Pass-Band

Figure 8. Antialiasing Filter Stop-Band

Characteritics

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