TLV320AIC23BRHDR 参数 Datasheet PDF下载

FILTER RESPONSE

vs

NORMALIZED AUDIO SAMPLING FREQUENCY

10

Filter Response − dB

−10

−30

−50

−70

−90

0

0.5

1

1.5

2

2.5

3

Normalized Audio Sampling Frequency

Figure 3−25. DAC Digital Filter Response 3: USB Mode Only

FILTER RESPONSE

vs

NORMALIZED AUDIO SAMPLING FREQUENCY

0.4

Filter Response − dB

0.3

0.2

0.1

0

−0.1

−0.2

−0.3

−0.4

0

0.05

0.1

0.15

0.2

0.25

0.3

0.35

0.4

0.45

0.5

Normalized Audio Sampling Frequency

Figure 3−26. DAC Digital Filter Ripple 3: USB Mode Only

The delay between the converter is a function of the sample rate. The group delays for the AIC23B are shown in the

following table. Each delay is one LR clock (1/sample rate).

Table 3−1. Group Dealys

FILTER

DAC type 0

DAC type 1

DAC type 2

DAC type 3

ADC type 0

ADC type 1

ADC type 2

ADC type 3

GROUP DELAY

11

18

5

5

12

20

3

6

3−20