SM5843A View Datasheet(PDF) - Nippon Precision Circuits

Part Name

Description

Manufacturer

SM5843A

Audio Multi-function Digital Filter

Nippon Precision Circuits  

SM5843A×1

8fs filter passband response [amplitude gain enlarged]

-0.0001

-0.00005

0.00000

0.00005

0.0001

0.000

0.125

0.250

0.375

Frequency (×fs)

0.500

Deemphasis filter

Parameter

Passband bandwidth (kHz)

Deviation from ideal characteristic

Attenuation

Phase, θ

32 kHz

0 to 14.5

Sampling frequency (fs)

44.1 kHz

0 to 20.0

≤ ±0.001 dB

0 to 1.5°

Passband response with deemphasis ON (logarithmic frequency axis)

48 kHz

0 to 21.7

0

2

4

6

8

10

10 20

32kHz

Phase 0

-20

Attenuation

32k A44.1k A48kHz

44.1kHz -40

48kHz

-60

50 100 200 500 1k 2k

Frequency (Hz)

5k 10k 20k

Passband response with deemphasis ON (linear frequency axis)

0

0

Phase

2

32kHz

-20

4

44.1kHz

-40

48kHz

6

-60

Attenuation

32k A44.1k A48kHz

8

10

0

4k

8k

12k

16k

20k 22k 24k

Frequency (Hz)

NIPPON PRECISION CIRCUITS—13

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