adau1373 Analog Devices, Inc., adau1373 Datasheet - Page 33

• Manufacturer Part Number: adau1373
• Description: Low Power Codec With Speaker And Headphone Amplifier Adau1373
• Manufacturer: Analog Devices, Inc.

Figure 57. THD + N vs. Frequency, −20 dBFS, 32 Ω, Digital In → Earpiece Out
0.001
–100
–120
–140
Figure 56. THD + N vs. Output Power, 32 Ω, Digital In → Earpiece Out
0.01
–20
–40
–60
–80
0.01
0.1
10
0.1
10
0
1
100n
1
0
Figure 55. FFT, −1 dBFS, 32 Ω, Digital In → Earpiece Out
2.5
1µ
100
5.0
10µ
OUTPUT POWER (W)
FREQUENCY (kHz)
7.5
FREQUENCY (Hz)
100µ
10.0
1k
12.5
1m
15.0
10m
17.5
10k
100m
20.0
Rev. 0 | Page 33 of 296
Figure 59. Output Power vs. SPKVDD, 32 Ω, Digital In → Earpiece Out
–100
–105
–110
–115
–120
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
–17
–18
–19
–20
–21
–22
–23
45
40
35
30
25
20
15
10
Figure 58. Frequency Response, 32 Ω, Digital In → Earpiece Out
5
0
Figure 60. PSRR vs. Frequency, 32 Ω, Digital In → Earpiece Out
2.5
3.0
100
100
10%
1%
SUPPLY VOLTAGE (V)
FREQUENCY (Hz)
FREQUENCY (Hz)
3.5
1k
1k
4.0
4.5
ADAU1373
10k
10k
5.0