TDA8920B NXP Semiconductors, TDA8920B Datasheet - Page 22

• Manufacturer Part Number: TDA8920B
• Description: The TDA8920B is a high efficiency class-D audio power amplifier with very lowdissipation
• Manufacturer: NXP Semiconductors

Philips Semiconductors
TDA8920B_2
Product 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 1
P
P
2
2
= 27 V; 2
= 27 V; 1
13.9 Curves measured in reference design
10
10
1
1
3
6
1
1
SE configuration.
BTL configuration.
3
6
10
10
(1)
(2)
(3)
load
load
(1)
(2)
(3)
10
10
001aab225
001aab227
2
2
P
P
o
o
(W)
(W)
Rev. 02 — 07 November 2005
10
10
3
3
Fig 11. (THD + N)/S as a function of output power; SE
Fig 13. (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
2
1
2
3
10
10
V
configuration with 2
V
configuration with 1
P
P
2
2
= 27 V; 2
= 27 V; 1
10
10
1
2
1
4
8
100 W class-D power amplifier
1
SE configuration.
BTL configuration.
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
1
4
8
10
(2)
(3)
(1)
TDA8920B
load
load
10
10
P
001aab226
001aab228
2
P
o
(1)
(2)
(3)
o
(W)
(W)
10
10
2
3
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