TDA8920C_15 Datasheet, PDF (29/39 Pages) NXP Semiconductors – 2 X 110 W class-D power amplifier

NXP Semiconductors
TDA8920C
2 × 110 W class-D power amplifier
40
G_v(cl)
(dB)
30
20
010aaa540
(1)
(2)
(3)
(4)
10
10
10²
10³
10⁴
10⁵
f_i (Hz)
V_P = ±30 V, f_osc = 350 kHz, V_i = 100 mV, C_i = 330 pF, L_LC = 15 µH, C_LC = 680 nF.
(1) 1 × 8 Ω BTL configuration.
(2) 2 × 4 Ω SE configuration.
(3) 2 × 6 Ω SE configuration.
(4) 2 × 8 Ω SE configuration.
Fig 23. Closed-loop voltage gain as a function of frequency
−20
SVRR
(dB)
−40
001aai710
−60
(1)
−80
(2)
−100
−120
(3)
−140
10
10²
10³
10⁴
10⁵
f_ripple (Hz)
Ripple on V_DD, short on input pins.
V_P = ±30 V, R_L = 4 Ω, V_ripple = 2 V (p-p).
(1) Mute mode.
(2) Operating mode.
(3) Standby mode.
Fig 24. SVRR as a function of ripple frequency, ripple on V_DD
TDA8920C_2
Product data sheet
Rev. 02 — 11 June 2009
© NXP B.V. 2009. All rights reserved.
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