TFA9881_1104 PHILIPS [NXP Semiconductors], TFA9881_1104 Datasheet - Page 21

• Manufacturer Part Number: TFA9881_1104
• Description: 3.4 W PDM input class-D audio amplifier
• Manufacturer: PHILIPS [NXP Semiconductors]

NXP Semiconductors
TFA9881
Product data sheet
Fig 12. THD+N as a function of frequency
THD+N
THD+N
(%)
(%)
10
10
10
(1) P
(2) P
10
10
10
(1) P
(2) P
a. V
c. V
10
10
−1
−2
−3
−1
−2
−3
1
1
10
10
o
o
o
o
DDP
DDP
= 500 mW.
= 100 mW.
= 1 W.
= 100 mW.
= 3.6 V, R
= 3.6 V, R
10
10
(1)
(2)
2
(1)
(2)
2
L
L
= 8 Ω, L
= 4 Ω, L
10
10
3
3
L
L
= 44 μH
= 20 μH
10
10
4
4
All information provided in this document is subject to legal disclaimers.
001aam638
001aam637
f
f
i
i
(Hz)
(Hz)
10
10
5
5
Rev. 2 — 1 April 2011
THD+N
THD+N
(%)
(%)
10
10
10
(1) P
(2) P
10
10
10
(1) P
(2) P
b. V
d. V
10
10
−1
−2
−3
−1
−2
−3
1
1
10
10
o
o
o
o
DDP
DDP
= 500 mW.
= 100 mW.
= 1 W.
= 100 mW.
3.4 W PDM input class-D audio amplifier
= 5 V, R
= 5 V, R
10
10
2
2
(1)
(2)
(1)
(2)
L
L
= 8 Ω, L
= 4 Ω, L
10
10
3
3
L
L
= 44 μH
= 20 μH
10
10
TFA9881
4
4
© NXP B.V. 2011. All rights reserved.
001aam640
001aam639
f
f
i
i
(Hz)
(Hz)
10
10
5
5
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