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TDA8920B Datasheet, PDF (22/34 Pages) NXP Semiconductors – 2 X 100 W class-D power amplifier
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Philips Semiconductors
TDA8920B
2 × 100 W class-D power amplifier
13.9 Curves measured in reference design
102
(THD + N)/S
(%)
10
001aab225
102
(THD + N)/S
(%)
10
001aab226
1
1
(1)
(1)
10−1
(2)
10−1
(2)
(3)
10−2
10−2
(3)
10−3
10−2
10−1
1
10
102
103
Po (W)
Vp = ±27 V; 2 × 3 Ω SE configuration.
(1) f = 6 kHz.
(2) 1 kHz.
(3) 100 Hz.
Fig 10. (THD + N)/S as a function of output power; SE
configuration with 2 × 3 Ω load.
102
(THD + N)/S
(%)
10
001aab227
10−3
10−2
10−1
1
10
102
Po (W)
Vp = ±27 V; 2 × 4 Ω SE configuration.
(1) f = 6 kHz.
(2) 1 kHz.
(3) 100 Hz.
Fig 11. (THD + N)/S as a function of output power; SE
configuration with 2 × 4 Ω load.
102
(THD + N)/S
(%)
10
001aab228
1
1
10−1
(1)
(2)
10−2
(3)
10−1
(1)
(2)
10−2
(3)
10−3
10−2
10−1
1
10
102
103
Po (W)
10−3
10−2
10−1
1
10
102
103
Po (W)
Vp = ±27 V; 1 × 6 Ω BTL configuration.
(1) f = 6 kHz.
(2) 1 kHz.
(3) 100 Hz.
Fig 12. (THD + N)/S as a function of output power; BTL
configuration with 1 × 6 Ω load.
Vp = ±27 V; 1 × 8 Ω BTL configuration.
(1) f = 6 kHz.
(2) 1 kHz.
(3) 100 Hz.
Fig 13. (THD + N)/S as a function of output power; BTL
configuration with 1 × 8 Ω load.
9397 750 13356
Preliminary data sheet
Rev. 01 — 1 October 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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