SM5846AP_06 Datasheet, PDF (4/36 Pages) Nippon Precision Circuits Inc – Multi-function Digital Filter

SM5846AP
High-speed Sampling (8fs Output)
Parameter
Passband bandwidth
Stopband bandwidth
Passband ripple
Stopband attenuation
Group delay time¹
Rating
0 to 0.4535fs
0.5465 to 7.4535fs
±0.00001dB
≥ 105dB
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)
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).
Overall frequency characteristic
0
20
40
60
80
100
120
140
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
Frequency [fs]
Passband frequency characteristic
−0.0001
−0.00005
0.00000
0.00005
0.0001
0.000
0.125
0.250
0.375
0.500
Frequency [fs]
Transition band characteristic
0
20
40
60
80
100
120
140
0.00
0.125
0.25
0.375
0.50
0.625
0.75
Frequency [fs]
0.825
1.00
SEIKO NPC CORPORATION —4