参数资料
型号: TDA8920TH/N1,118
厂商: NXP SEMICONDUCTORS
元件分类: 音频/视频放大
英文描述: 80 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24
封装: PLASTIC, SOT-566-3, HSOP-24
文件页数: 20/36页
文件大小: 733K
代理商: TDA8920TH/N1,118
2002 Sep 25
27
Philips Semiconductors
Product specication
2
× 80 W class-D power amplier
TDA8920
handbook, halfpage
0
10
2
4
6
8
MBL489
101
102
Po (W)
Vripple(p-p)
(V)
110
102
(1)
(2)
Fig.29 Supply voltage ripple as a function of output
power.
VP = ±25 V; 3000 F per supply line; f = 10 Hz.
(1) 1
× 4 SE.
(2) 1
× 8 SE.
handbook, halfpage
10
0
10
104
MBL490
102
103
fi (Hz)
Vripple(p-p)
(V)
2
4
6
8
(2)
(1)
Fig.30 Supply voltage ripple as a function of input
frequency.
VP = ±25 V; 3000 F per supply line.
(1) Pout = 30 W into 1 × 4 SE.
(2) Pout = 15 W into 1 × 8 SE.
handbook, halfpage
600
100
fCLK (kHz)
THD
+N
(%)
200
300
400
500
10
1
101
102
103
MBL491
(1)
(2)
(3)
Fig.31 THD + N as a function of clock frequency.
VP = ±25 V; Po = 1 W into 8 .
(1) 10 Hz.
(2) 1 kHz.
(3) 100 Hz.
handbook, halfpage
100
600
150
0
30
60
90
120
200
Iq
(mA)
fCLK (kHz)
300
400
500
MBL493
Fig.32 Quiescent current as a function of clock
frequency.
VP = ±25 V; RL is open-circuit.
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