STW5098T datasheet(75/85 Pages) STMICROELECTRONICS

75 / 85 page

STw5098

Typical performance plots

75/85

Figure 20.

ADC 96 kHz audio path measured

filter response

Figure 21.

ADC 96 kHz audio in-band

measured filter response

Figure 22.

ADC voice TX path measured filter

response

Figure 23.

ADC voice TX path measured in-

band filter response

Figure 24.

DAC voice (RX) digital filter

characteristics

Figure 25.

DAC voice (RX) in-band digital filter

characteristics

The plot is extended down to 5 Hz to show the high pass filter

implemented in the ADC 96 kHz sample rate,

96 kHz audio filter selected signal from Mic input

-80

-70

-60

-50

-40

-30

-20

-10

100

10k

100k

Frequency [Hz]

96 kHz sample rate,

96 kHz audio filter selected signal from Mic input.

-5

-4

-3

-2

-1

10k 15k 20k 25k 30k 35k 40k 45k

Frequency [Hz]

8 kHz Sample rate, tx voice filter selected.

Signal from Mic input

-70

-60

-50

-40

-30

-20

-10

100

10k

Frequency [Hz]

8 kHz sample rate, tx voice filter selected signal from Mic input.

-0.5

-0.4

-0.3

-0.2

-0.1

0.1

0.2

0.3

0.4

0.5

500

1500

2500

3500

Frequency [Hz]

8 kHz sample rate, rx voice filter

-70

-60

-50

-40

-30

-20

-10

100

10k

Frequency [Hz]

8 kHz sample rate, rx voice filter

-0.5

-0.4

-0.3

-0.2

-0.1

0.1

0.2

0.3

0.4

0.5

500

1500

2500

3500

Frequency [Hz]

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