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SM6451A Fiches technique(PDF) 5 Page - Nippon Precision Circuits Inc

No de pièce SM6451A
Description  Audio Variable Volume IC
Download  13 Pages
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Fabricant  NPC [Nippon Precision Circuits Inc]
Site Internet  http://www.npc.co.jp/en
Logo NPC - Nippon Precision Circuits Inc

SM6451A Fiches technique(HTML) 5 Page - Nippon Precision Circuits Inc

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SM6451A
SEIKO NPC CORPORATION —5
AC Analog Characteristics
VDD = 5.0V, 1.2Vrms amplitude, 1kHz input frequency, 100kΩ output load resistance, Ta = 25°C,
AC-coupled inputs
Analog inputs (LIN, RIN)
Analog outputs (LOUT, ROUT)
Reference voltage (VRL, VRR)
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Input reference amplitude
VAI
1.2
Vrms
Input resistance
RIN
40
50
60
k
Input clipping voltage
VCLP
THD + N = 1%, ATT = 0dB
1.75
Vrms
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Residual noise voltage
VNS
Input signal: 0Vrms,
A-weight filter, 0dBr =
1.2Vrms, ATT = 0dB
–10
20
µVrms
Signal-to-noise ratio
SNR
95
100
dBr
Total harmonic distortion + noise
THD + N
ATT = 0dB, 20kHz lowpass
filter
0.0017
0.0025
%
Gain control range
RCNT
−80
0
dB
Step size
Step
0.8
1
1.5
dB
Attenuation error (1k to 20kHz)
ERR1
0 to
−60dB
−2–
1dB
ERR2
−61 to −80dB
−5–
0dB
Absolute attenuation (1kHz)
AT0
ATT = 0dB
−0.1
dB
AT2
ATT =
−20dB
−20.1
dB
AT4
ATT =
−40dB
−40.3
dB
AT6
ATT =
−60dB
−60.5
dB
AT8
ATT =
−80dB
−83.0
dB
Mute attenuation (1kHz)
Mute
ATT = Mute
−88
−92
dB
Channel crosstalk
CT
ATT = 0dB
−105
−112
dB
Frequency response
FR
ATT = 0dB, f = 200kHz
−5–dB
Quiescent output zip noise voltage
(while ATT value adjusting)
NJ
0Vrms input
3
mV
Minimum driver load resistance
RML
ATT = 0dB, THD + N = 1%
6
10
k
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Reference voltage output
VREF
0.45VDD
0.5VDD
0.55VDD
V


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