参数资料
型号: NCP2890DMR2
厂商: ON Semiconductor
文件页数: 13/16页
文件大小: 0K
描述: IC AMP POWER AUDIO 1W 8MICRO
产品变化通告: LTB Notification 03/Jan/2008
标准包装: 1
类型: AB 类
输出类型: 1-通道(单声道)
在某负载时最大输出功率 x 通道数量: 1.08W x 1 @ 8 欧姆
电源电压: 2.2 V ~ 5.5 V
特点: 消除爆音,差分输入,短路和热保护,关闭
安装类型: 表面贴装
供应商设备封装: Micro8?
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
包装: 剪切带 (CT)
其它名称: NCP2890DMR2OSCT
NCP2890, NCV2890
http://onsemi.com
6
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 7. THD + N versus Power Out
0
100
10
0.001
0.1
T
H
D
+
N
(%)
Pout, POWER OUT (mW)
Figure 8. THD + N versus Power Out
0
100
200
300
10
0.001
0.1
THD
+
N
(%)
Pout, POWER OUT (mW)
Vp = 3.3 V
RL = 8 W
1 kHz
AV = 2
Vp = 3 V
RL = 8 W
1 kHz
AV = 2
Figure 9. THD + N versus Power Out
0
100
200
300
400
10
0.001
0.1
THD
+
N
(%)
Pout, POWER OUT (mW)
Figure 10. THD + N versus Power Out
0
100
200
300
500
10
0.01
0.1
THD
+
N
(%)
Pout, POWER OUT (mW)
Vp = 2.6 V
RL = 8 W
1 kHz
AV = 2
Vp = 2.6 V
RL = 4 W
1 kHz
AV = 2
Figure 11. Output Power versus Power Supply
2.0
3.5
4.0
4.5
5.0
1700
100
700
OUTPUT
POWER
(mW)
POWER SUPPLY (V)
1
200
300
400
500
600
1
400
500
1
300
500
1100
1500
0.01
400
Figure 12. PSRR @ Vp = 5 V
10
100
1000
10,000
100,000
30
70
50
P
SR
R
(dB)
FREQUENCY (Hz)
65
60
55
45
40
35
Vp = 5 V
RL = 8 W
Rin = 10 W
AV = 2
Vripple = 200 mVpkpk
Cbypass = 1 mF
THD+N = 10%
THD+N = 1%
f = 1 kHz
RL = 8 W
900
1300
3.0
2.5
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