Audio Control FOUR.1i Specifications download pdf (Page 17)

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TYPICAL CHARACTERISTICS

-90

-80

-70

-60

-50

-40

-30

-20

-10

0 20 40 60 80 100

HeadphoneOutPower-mW

THD-TotalHarmonicDistortion-dB

3.6VDD_CM1.8_LDAC

3.3VDD_CM1.65_RDAC

3.6VDD_CM1.8_RDAC

3.3VDD_CM1.65_LDAC

2.7VDD_CM1.35_LDAC

2.7VDD_CM1.35_RDAC

0 10 20 30 40 50 60 70

ADC,PGA -Setting-dB

SNR-Signal-To-Noise-dB

LINEIRRoutedtoRADCinDifferentialMode,

48KSPS,NormalSupplyandTemperature,

InputSignalat-65dB

1.5

2.5

3.5

-60 -40 -20 0 20 40 60 80 100

T -Free- AirTemperature-°C

MICBIASVOLTAGE-V

PGM=V

PGM=2V

PGM=2.5V

AV =3.3V,

NoLoad

1.5

2.5

3.5

2.7 2.9 3.1 3.3 3.5

V -SupplyVoltage-V

MICBIAS

-VVOLTAGE

NoLoad

PGM=V

PGM=2V

PGM=2.5V

TLV320AIC34

SLAS538A – OCTOBER 2007 – REVISED NOVEMBER 2007

TOTAL HARMONIC DISTORTION SIGNAL-TO-NOISE RATIO

vs vs

HEADPHONE OUT POWER ADC PGA SETTING

Figure 5. Figure 6.

MICBIAS_x VOLTAGE MICBIAS_x VOLTAGE

vs vs

SUPPLY VOLTAGE FREE-AIR TEMPERATURE

Figure 7. Figure 8.

Product Folder Link(s): TLV320AIC34

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Audio Control FOUR.1i Specifications Page 17

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