SM5877 Nippon Precision Circuits Inc, SM5877 Datasheet - Page 2

• Manufacturer Part Number: SM5877
• Description: 3rd-order / 2-channel D/A Converter
• Manufacturer: Nippon Precision Circuits Inc

BLOCK DIAGRAM
PIN DESCRIPTION
Number
1
2
3
4
5
6
7
8
9
AVDDL
MODE
DVDD
MUTE
ATCK
TSTN
RSTN
DVSS
TO1
DS
MUTE
DEEM
Name
DVDD
DVSS
TSTN
BCKI
LRCI
CKO
DI
generation block
Attenuation
PWM data
counter
Timing
control
I/O
Ip
Ip
O
Ip
Ip
Ip
Ip
When MODE is HIGH: Soft mute ON/OFF control. Mute is active when HIGH.
When MODE is LOW: Attenuator level direction control. The attenuator direction is
down when HIGH.
Deemphasis control. Deemphasis is ON when HIGH, and OFF when LOW.
16.9344 MHz clock output
Digital ground pin
Bit clock input pin
Serial data input pin
Digital supply pin
Input sample data rate (fs) clock input pin. Left-channel input when HIGH, and right-
channel input when LOW.
Test pin. Test mode when LOW.
LO
LRCI
R
L
Filter & attenuation
BCKI
operation block
operation block
Input interface
SM5877AM
Noise shaper
L
L
AVSS
R
R
DI
Description
RO
NIPPON PRECISION CIRCUITS—2
MUTEO
DEEM
CKO
XVSS
XTO
XTI
XVDD
AVDDR