tfa9879hn NXP Semiconductors, tfa9879hn Datasheet - Page 52

• Manufacturer Part Number: tfa9879hn
• Description: Mono Btl Class-d Audio Amplifier For Portable Applications With Digital Input
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TFA9879_1
Preliminary data sheet
Fig 26. Power dissipation as a function of output power
Fig 27. Efficiency as a function of output power
(%)
(W)
η
P
(1) V
(2) V
(1) V
(2) V
0.20
0.15
0.10
0.05
0.00
a. R
a. R
100
80
60
40
20
0
10
0
−3
DDP
DDP
DDP
DDP
L
L
= 8, f
= 8, f
= 3.7 V
= 5 V
= 3.7 V
= 5 V
10
0.5
−2
i
i
(2)
(1)
= 1 kHz, clip control off
= 1 kHz, clip control off
(1)
(2)
10
1
−1
1.5
1
All information provided in this document is subject to legal disclaimers.
P
P
010aaa694
010aaa695
o
o
(W)
(W)
10
2
Rev. 01 — 8 April 2010
Mono BTL class-D audio amplifier with digital input
(%)
(W)
η
P
(1) V
(2) V
(1) V
(2) V
b. R
b. R
100
0.5
0.4
0.3
0.2
0.1
0.0
80
60
40
20
0
10
0
−3
DDP
DDP
DDP
DDP
L
L
= 4, f
= 4, f
= 3.7 V
= 5 V
= 3.7 V
= 5 V
10
−2
i
i
= 1 kHz, clip control off
= 1 kHz, clip control off
1
10
−1
(2)
(1)
(1)
(2)
2
1
TFA9879
© NXP B.V. 2010. All rights reserved.
P
o
P
010aaa696
010aaa697
(W)
o
(W)
10
3
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