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SM6453AB Fiches technique(PDF) 7 Page - Nippon Precision Circuits Inc

No de pièce SM6453AB
Description  3-wire Serial Data Volume Control for Headphone Amplifiers IC
Download  12 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

SM6453AB Fiches technique(HTML) 7 Page - Nippon Precision Circuits Inc

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SM6453AB
NIPPON PRECISION CIRCUITS—7
AC Analog Characteristics
VDD1 = VDD2 = 2.0V, analog input amplitude = 0.022Vrms, input frequency = 1kHz, Ta = 25°C, Measurement
circuit, unless otherwise noted.
Analog input characteristics (LIN1, RIN1, LIN2, RIN2)
Analog output characteristics (LOUT, ROUT)
Analog output characteristics (BEEPLO, BEEPRO)
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Reference input amplitude
VAI
ATT
= 0dB
0.022
Vrms
Input resistance
RIN
45
51
57
k
Input clipping voltage
VCLP
ATT
= 0dB
0.14
0.168
Vrms
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
Residual noise voltage
VNS
ATT
= 0dB
20
30
µVrms
Total harmonic distortion + noise
THD
+ NPO = 0.5mW + 0.5mW
0.3
0.8
%
Maximum output voltage
POMAX
ATT
= 0dB, THD = 10%
15
20
mW
Bass boost response1
1. Bass boost control bit D9 = HIGH, 55Hz, VO = – 30dBv
BBST
+ 13.5
dB
AGC detection level
VAGC
0.55+
0.5VDD1
V
Gain control range
RCNT
− 68
12
dB
Step size
STEP
0.8
1.0
1.8
dB
Attenuation error (1kHz to 20kHz)
ERR1
@ 12dB to
− 48dB
TBD
0.2
TBD
dB
ERR2
@
− 49dB to
− 68dB
TBD
0.5
TBD
dB
Absolute attenuation (1kHz)
AT0
ATT
= 0dB
+ 12.0
dB
AT2
ATT
=
− 20dB
− 8.0
dB
AT4
ATT
=
− 40dB
− 28.0
dB
AT6
ATT
=
− 60dB
− 48.1
dB
AT8
ATT
=
− 80dB
− 68.2
dB
Mute factor (1kHz)
MUTE
ATT
= MUTE, MUTEN = LOW
− 84.0
− 90.0
dB
Channel crosstalk2
2. ATT = 0dB, leakage output on one channel with analog input on the other channel only.
CT1
− 84.0
− 90.0
dB
Channel crosstalk3
3. Bass boost control bit D9 = HIGH, ATT = 0dB, leakage output on one channel with analog input on the other channel only.
CT2
− 24.0
− 40.0
dB
Ripple rejection
PSRR
Supply ripple on AVDD1, AVDD2, AVDD3
69.0
75.0
dB
Parameter
Symbol
Condition
Rating
Unit
min
typ
max
BEEP output current
IBO
400Hz rectangular wave,
input level = 1.5V to VDD2
0.3
0.36
0.4
mA
BEEP output voltage
VBO
− 56
− 51.3
− 46
dBv


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