tfa9879hn NXP Semiconductors, tfa9879hn Datasheet - Page 51

• 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 25. Output power as a function of supply voltage
(W)
P
(1) THD+N = 1 %, R
(2) THD+N = 10 %, R
(3) THD+N = 1 %, R
(4) THD+N = 10 %, R
a. f
o
4
3
2
1
0
2
i
= 100 Hz, clip control on
3
L
L
Fig 24. Signal-to-noise ratio as a function of output power
L
L
= 8 
= 4 
= 8 
= 4 
4
(1) A-weighted
(2) 20 kHz brickwall filter
V
DDP
(4)
(3)
(2)
(1)
5
= 5 V, R
All information provided in this document is subject to legal disclaimers.
V
010aaa688
DDP
(V)
L
(dB)
S/N
= 8 , reference signal: 3.5 V (RMS)
120
100
6
Rev. 01 — 8 April 2010
80
60
40
20
10
−2
Mono BTL class-D audio amplifier with digital input
10
(W)
−1
P
(1) THD+N = 1 %, R
(2) THD+N = 10 %, R
(3) THD+N = 1 %, R
(4) THD+N = 10 %, R
(1)
(2)
b. f
o
4
3
2
1
0
2
i
= 100 Hz, clip control off
1
3
P
o
010aaa687
(W)
L
L
L
L
= 8 
= 4 
= 8 
= 4 
4
10
(4)
(3)
(2)
(1)
5
TFA9879
© NXP B.V. 2010. All rights reserved.
V
010aaa689
DDP
(V)
6
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