Sony CXD2701Q Data Book page 71

SONY,
CXD2557M
Digital
Audio
Signal Silence Detector
Description
The
CXD2557M
ts
an
LSI
that
detects silence
in
digital
signals
and
outputs
a
muting signal
if
the silence
continues
for
a
fixed
period of time.
Features
• Input format
Two's complement
MSB
first
16-bit serial
data
48
slots
•
Sifence detection time
16,382 samples
• Silence detection
level
Upper 12
bits
Structure
Silicon
gate
CMOS
IC
Application
Digital
audio
components
Absolute
Maximum
Ratings
• Supply
voltage (see note)
Vdd -0,5
to
7.0
V
•
Input voltage Vi
-0.5
to
Vdd+0.5
V
• Output voltage
Vo
-0.5
to
Vco+0.5
V
• Input protection
diode
current
Iik
-20
to
20
mA
• Output
protection
diode
current
Iok
-20
to
20
mA
• Output current
lo
±
50
mA
•
Package
allowable
power
dissipation
Po
0.8
W
• Storage temperature
Tstg
-65
to
150
°C
Note)
Unless otherwise
specified,
voltage
values are
in
reference
to
GND.
I
Recommended
Operating Conditions
• Supply
voltage
Vdd
4.5
to
5.5 (Typ.
5.0)
V
•
High-level input voltage Vih
Vdd
x
0.7 to
Vdd
V
•
Low-level
input
voftage
Vil
GND
to
Vdd
x
0.2
V
• Input
rise
and
fall
times (see
note)
Tt
to
300 ns
• Operating temperature T*
to
+70
°C
Note)
Excluding schmitt
trigger points.
67