SM6451AV datasheet(9/12 Pages) NPC

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SM6451AV

NIPPON PRECISION CIRCUITS—9

ANALOG PERFORMANCE CHARACTERISTICS

DVDD = AVDD = 5.0 V, 100 k

Ω output load resistance, Ta = 25 °C

Figure 3. THD + N vs. input amplitude

Figure 4. THD + N vs. input frequency

Figure 5. Attenuation error

Figure 6. Residual noise vs. ATT

Figure 7. Frequency response

Figure 8. Crosstalk frequency response

0.001

0.01

0.1

VIN(Vrms)

f = 1kHz

ATT = 0dB

20kHz LPF

0.001

0.1

0.01

20k

100

10k

Freq(Hz)

VIN=0.2Vrms

ATT = 0dB

20kHz LPF

VIN=1.2Vrms

VIN=0.8Vrms

VIN=0.4Vrms

−5

−4

−3

−2

−1

−20

−10

−30

−50

−60

−70

−80

−40

ATT(dB)

VIN = 1.2Vrms

f = 1kHz

−10

−20

−30

−40

−50

−60

−70

−80

ATT(dB)

VIN = 0Vrms

A-Weight Filter

−100

−80

−60

−40

−20

100

10k

100k

Freq(Hz)

ATT=

−20dB

ATT=

−40dB

ATT=

−60dB

ATT=

−80dB

ATT=MUTE

ATT=0dB

VIN = 1.2Vrms

−140

−40

−120

−100

−80

−60

100

10k

100k

Freq(Hz)

VIN = 1.2Vrms

ATT = 0dB

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