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SM5877AM Datasheet(PDF) 15 Page - Nippon Precision Circuits Inc

Part # SM5877AM
Description  3rd-order , 2-channel D/A Converter
PDF  16 Pages
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Manufacturer  NPC [Nippon Precision Circuits Inc]
Direct Link  http://www.npc.co.jp/en
Logo NPC - Nippon Precision Circuits Inc

SM5877AM Datasheet(HTML) 15 Page - Nippon Precision Circuits Inc

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SM5877AM
NIPPON PRECISION CIRCUITS—15
Figure 2. Soft mute operation example
Gain
MUTE
1024/fs
1024/fs
0 dB
–
∞
TIMING DIAGRAMS
Input Timing (DI, BCKI, LRCI)
TYPICAL APPLICATIONS
Input Interface Circuits
Normal Speed
Figure 3. MUTEO output timing
1
2
3
8
9
LRCI
DI
RSTN
MUTEO
2 /fs
14
Signal
Signal
No Signal
Initialize
DI
BCKI
(64fs max)
LRCI
16 bits
16 bits
1/fs
Left channel
Right channel
MSB
LSB
MSB
LSB
Sony
CXD2500
SM5877
PSSL
XTAI
LRCK
DA16
DA15
CKO
LRCI
DI
BCKI
16.9344 MHz
44.1 kHz
2.1168 MHz
XTI
XTO
16.9344 MHz crystal
DS
Infinity-Zero (MUTEO)
The SM5877AM outputs an infinity-zero detection
output signal under the following circumstances.
s
From immediately after a reset input on RSTN
until the initialization cycle finishes and the first
data cycle occurs.
s
When an infinity-zero occurs in the input data.
When an infinity-zero is detected, a period of 214
× (1/fs) ≈ 0.37 seconds takes place before
MUTEO goes HIGH.



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