sm5841 Nippon Precision Circuits Inc, (NPC), sm5841 Datasheet - Page 3

• Manufacturer Part Number: sm5841
• Description: Audio Multi-function Digital Filter
• Manufacturer: Nippon Precision Circuits Inc, (NPC)

BLOCK DIAGRAM
PIN DESCRIPTION
SOP
10
11
12
1
8
2
3
4
5
6
7
9
DIP
10
1
6
2
3
4
5
–
–
7
8
9
Name
WSL1
WSL2
BCKO
CKSL
DSF1
DSF2
CKO
VSS
RST
CKI
NC
NC
WSL1
WSL2
CKSL
DSF1
DSF2
CKO
RST
CKI
I/O
Ip
Ip
Ip
Ip
O
Ip
Ip
Ip
O
–
–
–
1
Input/output
word length
Input/output data select pins
System clock input
System clock select input. 384fs when HIGH, and 256fs when LOW.
System clock output. The CKI is first buffered before output on CKO.
Ground
No connection
No connection
Deemphasis select inputs
System reset. Reset and initialization when RST is LOW.
Output bit clock
Deemphasis
System
Controller
Clock
Controler
Timing
selector
VSS
WSL1
HIGH
HIGH
LOW
LOW
DSF1
HIGH
HIGH
LRCI
LOW
LOW
VDD
SM5841H
WSL2
HIGH
HIGH
LOW
LOW
Filter and Attenuation
Input data Interface
Airthmetic block
DSF2
HIGH
HIGH
LOW
LOW
DIN
Output date
Interface
Noise shaper
Description
BCKI
Off
On
On
On
Deemphasis
NIPPON PRECISION CIRCUITS—3
Input bit length
On
On
On
Off
18 bits
18 bits
16 bits
16 bits
WCKO
OFST
DOL
DOR
BCKO
Sampling frequency
Output bit length
44.1 kHz
48.0 kHz
32.0 kHz
20 bits
18 bits
18 bits
16 bits
–