adau1373 Analog Devices, Inc., adau1373 Datasheet - Page 32
adau1373
Manufacturer Part Number
adau1373
Description
Low Power Codec With Speaker And Headphone Amplifier Adau1373
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADAU1373.pdf
(296 pages)
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Manufacturer
Quantity
Price
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Part Number:
adau1373BCBZ-R7
Manufacturer:
NS
Quantity:
250
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ADAU1373
Figure 49. THD + N vs. Frequency, −20 dBFS,16 Ω, Digital In → Headphone Out
Figure 50. Output Power vs. HPVDD, 16 Ω, Digital In → Headphone Out
Figure 51. Output Power vs. HPVDD, 32 Ω, Digital In → Headphone Out
0.001
0.01
0.1
10
45
40
35
30
25
20
15
10
15
60
50
40
30
20
10
1
0
0
1.62
1.62
100
1.72
1.72
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
FREQUENCY (Hz)
1.82
1.82
1k
10% THD + N
1% THD + N
1% THD + N
10% THD + N
1.92
1.92
10k
Rev. 0 | Page 32 of 296
Figure 53. Frequency Response, −20 dBFS, 16 Ω, Digital In → Headphone Out
–100
–120
–140
–100
–105
–120
–110
–115
–20
–40
–60
–80
–60
–65
–70
–75
–80
–85
–90
–95
–17
–18
–19
–20
–21
–22
–23
0
0
100
Figure 54. FFT, −60 dBFS, 32 Ω, Digital In → Earpiece Out
Figure 52. PSRR vs. Frequency, 16 Ω, Digital In →
2.5
100
5.0
Headphone Out
FREQUENCY (kHz)
7.5
FREQUENCY (Hz)
FREQUENCY (Hz)
10.0
1k
1k
12.5
15.0
17.5
10k
10k
20.0
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