adau1373 Analog Devices, Inc., adau1373 Datasheet - Page 27

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

Figure 21. THD + N vs. Output Power, 32 Ω, Analog In → Headphone Out
Figure 20. THD+N vs. Output Power, 16 Ω, Analog In → Headphone Out
0.001
–100
–120
–140
0.01
0.001
–20
–40
–60
–80
0.1
0.01
10
0.1
1
10
0
10
1
10µ
0
Figure 19. FFT, −1 dBFS, Analog In → Headphone Out
2.5
100
5.0
100µ
OUTPUT POWER (W)
FREQUENCY (kHz)
OUTPUT POWER (W)
7.5
10.0
1m
1m
12.5
10m
15.0
10m
17.5
100m
20.0
Rev. 0 | Page 27 of 296
Figure 23. Frequency Response, −20 dBFS, 16 Ω, Analog In → Headphone Out
–100
–120
–140
0.001
–17.0
–17.5
–18.0
–18.5
–19.0
–19.5
–20.0
–20.5
–21.0
–21.5
–22.0
–22.5
–23.0
–20
–40
–60
–80
0.01
0.1
10
Figure 22. THD + N vs. Frequency, −20 dBFS,16 Ω, Analog In →
1
0
Figure 24. FFT, −60 dBFS, Analog In → Earpiece Out
2.5
100
100
5.0
Headphone Out
FREQUENCY (kHz)
7.5
FREQUENCY (kHz)
FREQUENCY (Hz)
10.0
1k
1k
12.5
15.0
ADAU1373
17.5
10k
10k
20.0