ADAU1373 Datasheet, PDF (32/296 Pages) Analog Devices – Low Power Codec with Speaker and Headphone Amplifier

ADAU1373
10
1
0.1
0.01
0.001
100
1k
10k
FREQUENCY (Hz)
Figure 49. THD + N vs. Frequency, −20 dBFS,16 Ω, Digital In → Headphone Out
60
50
10% THD + N
40
30
1% THD + N
20
10
0
1.62
1.72
1.82
1.92
SUPPLY VOLTAGE (V)
Figure 50. Output Power vs. HPVDD, 16 Ω, Digital In → Headphone Out
45
40
35
30
25
20
15
10
15
0
1.62
10% THD + N
1% THD + N
1.72
1.82
1.92
SUPPLY VOLTAGE (V)
Figure 51. Output Power vs. HPVDD, 32 Ω, Digital In → Headphone Out
–60
–65
–70
–75
–80
–85
–90
–95
–100
–105
–110
–115
–120
100
1k
10k
FREQUENCY (Hz)
Figure 52. PSRR vs. Frequency, 16 Ω, Digital In →
Headphone Out
–17
–18
–19
–20
–21
–22
–23
100
1k
10k
FREQUENCY (Hz)
Figure 53. Frequency Response, −20 dBFS, 16 Ω, Digital In → Headphone Out
0
–20
–40
–60
–80
–100
–120
–140
0
2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0
FREQUENCY (kHz)
Figure 54. FFT, −60 dBFS, 32 Ω, Digital In → Earpiece Out
Rev. 0 | Page 32 of 296