SM6451AVNIPPON Datasheet, PDF (5/12 Pages) Nippon Precision Circuits Inc – Audio Variable Volume IC

SM6451AV
AC Analog Characteristics
V_DD = 5.0 V, 1.2 Vrms amplitude, 1 kHz input frequency, 100 kΩ output load resistance, Ta = 25 °C,
AC-coupled inputs
Analog inputs (LIN, RIN)
Parameter
Input reference amplitude
Input resistance
Input clipping voltage
Symbol
Condition
Rating
Unit
min
typ
max
V_AI
–
1.2
–
Vrms
R _IN
40
50
60
kΩ
V _CLP
THD + N = 1%, ATT = 0 dB
–
1.75
–
Vrms
Analog outputs (LOUT, ROUT)
Parameter
Residual noise voltage
Signal-to-noise ratio
Total harmonic distortion + noise
Gain control range
Step size
Attenuation error (1k to 20kHz)
Absolute attenuation (1 kHz)
Mute attenuation (1 kHz)
Channel crosstalk
Frequency response
Quiescent output zip noise voltage
(while ATT value adjusting)
Minimum driver load resistance
Symbol
Condition
min
V _NS
Input signal: 0 Vrms,
–
A-weight filter, 0 dBr = 1.2
SNR
Vrms, ATT = 0 dB
95
THD + N
ATT = 0 dB, 20 kHz
lowpass filter
–
R _CNT
−80
Step
0.8
ERR₁
0 to −60 dB
−2
ERR₂
−61 to −80 dB
−5
AT ₀
ATT = 0 dB
–
AT ₂
ATT = −20 dB
–
AT ₄
ATT = −40 dB
–
AT ₆
ATT = −60 dB
–
AT ₈
ATT = −80 dB
–
Mute
ATT = Mute
−88
CT
ATT = 0 dB
−105
FR
ATT = 0 dB, f = 200 kHz
–
N_J
0 Vrms input
–
R _ML
ATT = 0 dB, THD + N = 1%
–
Rating
typ
10
100
0.0017
–
1
–
–
−0.1
−20.1
−40.3
−60.5
−83.0
−92
−112
−5
–
6
max
20
–
0.0025
0
1.5
1
0
–
–
–
–
–
–
–
–
3
10
Unit
µVrms
dBr
%
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
mV
kΩ
Reference voltage (VRL, VRR)
Parameter
Reference voltage output
Symbol
V _REF
Condition
Rating
Unit
min
typ
max
0.45V_DD
0.5V_DD
0.55V_DD
V
NIPPON PRECISION CIRCUITS—5