SM5846AP(1998) 查看數據表（PDF） - Nippon Precision Circuits

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SM5846AP
(Rev.:1998)

Multi-function Digital Filter

Nippon Precision Circuits  

SM5846AP

Deemphasis Filter Characteristics (Normal-speed Sampling)

Parameter

Sampling frequency (fs)

Passband bandwidth

Deviation from ideal

characteristics

Attenuation

Phase

32 kHz

0 to 14.5 kHz

Rating

44.1 kHz

0 to 20.0 kHz

±0.01 dB

0 to 6°

Deemphasis passband characteristic (logarithmic scale)

The phase traces are from top to bottom fs = 32/44.1/48 kHz, respectively.

0

2

Phase

4

6

8

Attenuation

10

48 kHz

0 to 21.7 kHz

0

-20

-40

-60

10 20

50 100 200 500 1k 2k

Frequency (Hz)

5k 10k 20k

Deemphasis passband characteristic (linear scale)

The phase traces are from top to bottom fs = 32/44.1/48 kHz, respectively.

0

2

4

6

8

10

Phase

0

-20

-40

-60

Attenuation

0

4k

8k

12k

16k

20k 22k 24k

Frequency (Hz)

Audio

ICs

NIPPON PRECISION CIRCUITS—6

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