SM5846AP

SEIKO NPC CORPORATION —4

High-speed Sampling (8fs Output)

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

±0.00001dB

Stopband attenuation

≥ 105dB

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: 51.91/fs (when SYNC is LOW) and 51.53/fs to 52.28/fs (when SYNC is HIGH)

When CKS is LOW: 51.78/fs (when SYNC is LOW) and 51.40/fs to 52.15/fs (when SYNC is HIGH)

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

140

120

100

80

60

40

20

0

Frequency [fs]

0.000

0.125

0.250

0.375

0.500

0.0001

0.00005

0.00000

−0.00005

−0.0001

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]