SM6451AVNIPPON Datasheet, PDF (10/12 Pages) Nippon Precision Circuits Inc – Audio Variable Volume IC

SM6451AV
+0
−20
VIN = 1.2Vrms = 0dB
f = 1kHz
−40
ATT = 0dB
BH window
−60
−80
−100
−120
−140
−160
0 2k 4k 6k 8k 10k 12k 14k 16k 18k 20k
Freq(Hz)
100
10
1
0.1
0.01
0.001
1k
VIN = 1.2Vrms
f = 1kHz
ATT = 0dB
20kHz LPF
10k
100k
Load resistance(Ω)
Figure 9. FFT plot (ATT = 0 dB)
Figure 10. THD + N vs. load resistance
10
10
AVDD + DVDD
ADRS1=ADRS2=5V
AVDD + DVDD
ADRS1=ADRS2=5V
8
8
6
6
4
4
2
4.50
4.75
5.00
5.25
5.50
Supply volutage(V)
2
−50
−25
0
25
50
75
100
Operating temperature(°C)
Figure 11. Current consumption vs. supply voltage Figure 12. Current consumption vs. temperature
NIPPON PRECISION CIRCUITS—10