參數(shù)資料
型號(hào): TDA8925ST
廠商: NXP SEMICONDUCTORS
元件分類: 音頻/視頻放大
英文描述: Power stage 2 x 15 to 25Wclass-D audio amplifier
中文描述: 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM17
封裝: PLASTIC, SOT-577-2, DIL-BENT-SIL, 17 PIN
文件頁(yè)數(shù): 17/23頁(yè)
文件大?。?/td> 214K
代理商: TDA8925ST
2004 May 06
17
Philips Semiconductors
Product specification
Power stage 2 x 15 to 25 W class-D
audio amplifier
TDA8925
15.6
Curves measured in reference design
handbook, halfpage
THD
+
N
(%)
MDB618
10
2
10
1
1
10
10
2
2
10
1
10
1
10
2
10
3
Po (W)
(1)
(2)
(3)
Fig.9 THD + N as function of output power.
2
×
8
SE; V
P
=
±
15 V.
(1) 6 kHz.
(2) 1 kHz.
(3) 100 Hz.
handbook, halfpage
THD
+
N
(%)
MDB620
10
10
2
10
3
10
4
10
5
2
10
1
10
1
10
3
10
2
fi (Hz)
(1)
(2)
Fig.10 THD + N as function of frequency.
2
×
8
SE; V
P
=
±
15 V.
(1) P
o
= 10 W.
(2) P
o
= 1 W.
handbook, halfpage
(%)
0
20
0
20
40
60
80
4
8
12
16
Po (W)
MDB622
Fig.11 Efficiency as function of output power.
2
×
8
SE; V
P
=
±
15 V;
f
i
= 1 kHz.
handbook, halfpage
SVRR
(dB)
(1)
(2)
(3)
(4)
MDB619
80
60
40
20
fi (Hz)
10
10
2
10
3
10
4
10
5
Fig.12 SVRR as function of frequency.
V
P
=
±
15 V; V
ripple(p-p)
= 2 V.
(1) Both supply lines in phase.
(2) One supply line (V
SS
) rippled.
(3) One supply line (V
DD
) rippled.
(4) Both supply lines in antiphase.
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