TDA8922B NXP Semiconductors, TDA8922B Datasheet - Page 21

• Manufacturer Part Number: TDA8922B
• Description: The TDA8922B is a high efficiency class-D audio power amplifier with very lowdissipation
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 13357
Preliminary data sheet
Fig 10. (THD + N)/S as a function of output power; SE
Fig 12. (THD + N)/S as a function of output power; BTL
(THD
(THD
(1) f = 6 kHz.
(2) f = 1 kHz.
(3) f = 100 Hz.
(1) f = 6 kHz.
(2) f = 1 kHz.
(3) f = 100 Hz.
(%)
(%)
10
10
10
10
10
10
10
10
10
10
N)/S
N)/S
1
1
2
1
2
3
10
2
1
2
3
10
V
configuration with 2
V
configuration with 8
P
P
2
2
= 26 V; 2
= 21 V; 1
13.9 Curves measured in reference design
10
10
1
1
6
8
1
1
SE configuration.
BTL configuration.
6
load.
10
10
(1)
(2)
(3)
(1)
(2)
(3)
load.
10
10
001aab199
001aab201
2
2
P
P
o
o
(W)
(W)
10
10
Rev. 01 — 1 October 2004
3
3
Fig 11. (THD + N)/S as a function of output power; SE
Fig 13. (THD + N)/S as function of frequency, SE
(THD
(THD
(1) f = 6 kHz.
(2) f = 1 kHz.
(3) f = 100 Hz.
(1) P
(2) P
(%)
(%)
10
10
10
10
10
10
10
10
10
10
N)/S
N)/S
1
1
2
1
2
3
2
1
2
3
10
V
configuration with 2
V
configuration with 2
10
P
P
o
o
2
= 10 W.
= 1 W.
= 26 V; 2
= 26 V; 2
10
10
2
1
2
8
6
50 W class-D power amplifier
SE configuration.
SE configuration.
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
10
1
(1)
(2)
3
8
6
TDA8922B
load.
load.
10
10
(3)
(2)
4
(1)
P
001aab200
001aab202
f (Hz)
o
(W)
10
10
2
5
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