2 pga gain linearity, Cs53l30 – Cirrus Logic CS53L30 User Manual

Page 62

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62

DS992F1

CS53L30

9.2 PGA Gain Linearity

9.2 PGA Gain Linearity

Figure 9-21. Transition Band—DMICx, Notch Disabled

Figure 9-22. Phase Response—DMICx, Notch Disabled

Figure 9-23. PGA DNL

Figure 9-24. PGA INL

0.3

0.35

0.4

0.45

0.5

0.55

0.6

0.65

0.7

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

Frequency (normalized to Fs)

M

agni

tude (

d

B

)

0

0.05

0.1

0.15

0.2

0.25

0.3

0.35

0.4

0.45

0.5

-600

-500

-400

-300

-200

-100

0

Frequency (normalized to Fs)

P

has

e (

degr

ees

)

0.475

0.480

0.485

0.490

0.495

0.500

0.505

0.510

0.515

0.520

0.525

-6.0

-3.0

0.0

3.0

6.0

9.0

12.0

Step Size (

d

B)

PGA Volume Setting (dB)

-6.0

-4.0

-2.0

0.0

2.0

4.0

6.0

8.0

10.0

12.0

-6.0

-3.0

0.0

3.0

6.0

9.0

12.0

Output Lev

el

(

d

B)

PGA Volume Setting (dB)

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