SM5846AP

NIPPON PRECISION CIRCUITS—3

Audio

ICs

FILTER CHARACTERISTICS

Normal-speed Sampling

Overall frequency characteristic

Passband frequency characteristic

Transition band characteristic

Parameter

Rating

Passband bandwidth

0 to 0.4535fs

Stopband bandwidth

0.5465 to 7.4535fs

Passband ripple

±0.0004 dB

Stopband attenuation

≥ 75 dB

1. The time difference due to digital filter operation between the end of serial data input (at rate fs) and the start of serial data output (at rate 8fs).

When CKS is HIGH: 63.89/fs (when SYNC is LOW) and 63.51/fs to 64.26/fs (when SYNC is HIGH)

When CKS is LOW: 63.76/fs (when SYNC is LOW) and 63.59/fs to 64.14/fs (when SYNC is HIGH)

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

Frequency (fs)

140

120

100

80

60

40

20

0

0.000

0.125

0.250

0.375

0.500

0.0005

0.00025

0.00000

-0.00025

-0.0005

Frequency (fs)

0.00

0.125

0.25

0.375

0.50

0.625

0.75

0.825

1.00

140

120

100

80

60

40

20

0

Frequency (fs)