MSGEQ7 데이터 시트보기 (PDF) - Unspecified
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MSGEQ7 Datasheet PDF : 4 Pages
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Seven Band Graphic Equalizer
Data Sheet
Multiplexor Operation
Typical Application______________
The DC peak output for measurement is se-
lected using the reset and strobe pins. Reset
high resets the multiplexor. Reset low enables
the strobe pin. After the first strobe leading
edge, 63Hz output is on OUT. Each additional
strobe leading edge advances the multiplexor
one channel (63Hz, 160Hz, 400Hz, 1kHz,
2.5kHz, 6.25kHz, 16kHz etc.) and this will re-
peat indefinitely. The multiplexor read rate is
also the output decay time control. Each read
decays that channel approximately 10%. The
strobe timing is shown below:
VDD
•0
0.01 uF 1
L0
5
22K
R0
Audio
In
Strobe
4
Reset
72
CD
0.1 uF
3
6
8
DC Out
CG
0.1 uF
200 k
VDD
33 pF
RESET
tr
trs
ts
tss
STROBE
to
OUTPUT
63 Hz
160 Hz
400 Hz
1 kHz
2.5 kHz
6.25 kHz
tr - Reset Pulse Width
trs - Reset to Strobe
Delay
ts - Strobe Pulse Width
tss - Strobe to Strobe Delay
to - Output Settling Time
100 nS min
72 uS min
18 uS min
72 uS min
36 uS min
(with Cload = 22 pF and Rload = 1 Mohm)
16 kHz
63 Hz
160 Hz
Strobe Timing Diagram
Web Site “www.mix-sig.com”
© 2004 Mixed Signal Integration 4
Mixed Signal Integration Corporation reserves the right to change any product or specification without notice at any time. Mixed Signal Integration
products are not designed or authorized for use in life support systems. Mixed Signal Integration assumes no responsibility for errors in this docu-
ment.
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