NXP Semiconductors TFA9812 14.5 Curves measured in typical application

TFA9812_2 © NXP B.V. 2009. All rights reserved.
Preliminary data sheet Rev. 02 — 22 January 2009 56 of 66
NXP Semiconductors TFA9812
BTL stereo Class-D audio amplifier with I2S input
14.5 Curves measured in typical application
(1) fi = 6 kHz
(2) fi = 1 kHz
(3) fi = 100 Hz
(1) fi = 6 kHz
(2) fi = 1 kHz
(3) fi = 100 Hz
a. VP = 12 V; RL = 2 × 6 Ωb. VP = 12 V; RL = 2 × 8 Ω
(1) fi = 6 kHz
(2) fi = 1 kHz
(3) fi = 100 Hz
(1) fi = 6 kHz
(2) fi = 1 kHz
(3) fi = 100 Hz
c. VP = 15 V; RL = 2 × 6 Ωd. VP = 15 V; RL = 2 × 8 Ω
Fig 17. Total harmonic distortion-plus-noise as a function of output power
010aaa480
1
10−1
10
THD+N
(%)
10−2
Po (W/channel)
10−2102
1010−11
(1)
(2)
(3)
010aaa481
1
10−1
10
THD+N
(%)
10−2
Po (W/channel)
10−2102
1010−11
(1)
(2)
(3)
010aaa482
1
10−1
10
THD+N
(%)
10−2
Po (W/channel)
10−2102
1010−11
(1) (2)
(3)
010aaa483
1
10−1
10
THD+N
(%)
10−2
Po (W/channel)
10−2102
1010−11
(1)
(2)
(3)