Datasheet

Data Sheet ADAU1772
Rev. B | Page 25 of 116
Figure 58. Input Impedance vs. PGA Gain
(see the Input Impedance section)
Figure 59. Decimation Pass-Band Response, f
S
= 96 kHz
Figure 60. Total Decimation Response, f
S
= 96 kHz
Figure 61. Decimation Pass-Band Response, f
S
= 192 kHz
Figure 62. Total Decimation Response, f
S
= 192 kHz
Figure 63. Interpolation Pass-Band Response, f
S
= 96 kHz
35
30
25
20
15
10
5
0
INPUT IMPEDANCE (kΩ)
PGA GAIN SETTING (dB)
–12 –6 0 6 12 18 24 30 36
10804-057
2
–10
–8
–6
–4
–2
0
0 2015105
10804-100
MAGNITUDE (dBFS)
FREQUENCY (kHz)
–120
–100
–80
–60
–40
–20
0
0 100908070605040302010
10804-101
MAGNITUDE (dBFS)
FREQUENCY (kHz)
2
–10
–8
–6
–4
–2
0
0 2015105
10804-102
MAGNITUDE (dBFS)
FREQUENCY (kHz)
–120
–100
–80
–60
–40
–20
0
0 100908070605040302010
10804-103
MAGNITUDE (dBFS)
FREQUENCY (kHz)
2
–4
–3
–2
–1
0
1
0 2015105
10804-104
MAGNITUDE (dBFS)
FREQUENCY (kHz)