SA58670 Datasheet, PDF (7/18 Pages) NXP Semiconductors – 2.1 W/channel stereo Class D audio amplifier

NXP Semiconductors
10. Typical performance curves
100
THD+N
(%)
10
002aac767
(1) (2)
1
0.1
0.01
0.1
1
10
P_o (W)
(1) V_DD = 3.6 V; R_L = 4 Ω; f = 1 kHz; G_v = 24 dB
(2) V_DD = 5 V; R_L = 4 Ω; f = 1 kHz; G_v = 24 dB
a. 4 Ω load
Fig 3. THD+N versus output power
−60
crosstalk
(dB)
−80
SA58670, ch 1
SA58670, ch 2
SA58670
2.1 W/channel stereo Class D audio amplifier
100
THD+N
(%)
10
002aac768
(1) (2)
1
0.1
0.01
0.1
1
10
P_o (W)
(1) V_DD = 3.6 V; R_L = 8 Ω; f = 1 kHz; G_v = 24 dB
(2) V_DD = 5 V; R_L = 8 Ω; f = 1 kHz; G_v = 24 dB
b. 8 Ω load
002aac769
−100
ch 1
ch 2
−120
2k
3k
Fig 4. Stepped all-to-one crosstalk
4k
5 k 6 k 7 k 8 k 9 k 10 k
20 k
crosstalk (Hz)
SA58670_1
Objective data sheet
Rev. 01 — 22 June 2007
© NXP B.V. 2007. All rights reserved.
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