TDA8922C
NXP Semiconductors
2 × 75 W class-D power amplifier
13.8 Curves measured in reference design (demonstration board)
010aaa565
10
THD+N
(%)
1
(1)
−1
10
(2)
(3)
−2
10
−3
10
−2
−1
2
3
10
10
1
10
10
10
P
(W)
o
VDD = 30 V, VSS = −30 V, fosc = 350 kHz (external oscillator), 2 × 6 Ω SE configuration.
(1) fi = 6 kHz.
(2) fi = 1 kHz.
(3) fi = 100 Hz.
Fig 11. THD + N as a function of output power, SE configuration with 2 × 6 Ω load
010aaa566
10
THD+N
(%)
1
(1)
−1
10
(2)
−2
10
(3)
−3
10
−2
−1
2
3
10
10
1
10
10
10
P
(W)
o
VDD = 30 V, VSS = −30 V, fosc = 350 kHz (external oscillator), 2 × 8 Ω SE configuration.
(1) fi = 6 kHz.
(2) fi = 1 kHz.
(3) fi = 100 Hz.
Fig 12. THD + N as a function of output power, SE configuration with 2 × 8 Ω load
TDA8922C_1
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 01 — 7 September 2009
23 of 40
NXP [ NXP ]
