PCM3168APAPR datasheet(21/66 Pages) TI1

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100

125

Temperature( C)

-50

-25

100

112

110

108

106

104

102

100

125

Temperature( C)

-50

-25

SNR

DynamicRange

100

Frequency(kHz)

10M

Frequency(Hz)

10k

100k

Frequency(kHz)

PCM3168A

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SBAS452A – SEPTEMBER 2008 – REVISED JANUARY 2016

DAC Digital Filter (continued)

At TA = 25°C, VCCAD1 = VCCAD2 = VCCDA1 = VCCDA2 = 5 V, VDD1 = VDD2 = 3.3 V, fS = 48 kHz, SCKI = 512 fS, 24-bit

data, Sampling Mode = Auto for ADC and DAC, and Interface Mode = Slave for ADC and DAC, unless otherwise noted.

Figure 22. De-Emphasis Characteristic (FS = 48 kHz)

Figure 23. De-Emphasis Characteristic (FS = 44 kHz)

Figure 24. De-Emphasis Characteristic (FS = 32 kHz)

Figure 25. Analog Filter Characteristic

8.15.3 ADC Performance

At TA = 25°C, VCCAD1 = VCCAD2 = VCCDA1 = VCCDA2 = 5 V, VDD1 = VDD2 = 3.3 V, fS = 48 kHz, SCKI = 512 fS, 24-bit

data, Sampling Mode = Auto for ADC and DAC, and Interface Mode = Slave for ADC and DAC, unless otherwise noted.

Figure 26. THD+N At –1 dB vs Temperature

Figure 27. Dynamic Range and SNR vs Temperature

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