参数资料
型号: NCP4894MNR2
厂商: ON Semiconductor
文件页数: 19/19页
文件大小: 0K
描述: IC AMP AUDIO PWR 1W DIFF 10-DFN
产品变化通告: LTB Notification 03/Jan/2008
标准包装: 3,000
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: 1.8W 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: 10-DFN(3x3)
封装/外壳: 10-VFDFN 裸露焊盘
包装: 带卷 (TR)
NCP4894
http://onsemi.com
9
TYPICAL PERFORMANCE CHARACTERISTICS
100
1000
10000
100000
50
40
30
60
20
Figure 15. PSRR versus Av @ VP = 3 V
100
PSRR(dB)
FREQUENCY (Hz)
Figure 16. CMRR @ VP = 5 V
1000
10000
100000
50
Figure 17. CMRR @ VP = 3 V
Figure 18. CMMR @ VP = 2.2 V
VP = 3 V
RL = 8 W
Vripple = 200 mV pkpk
Inputs grounded with 10
W
40
30
20
10
90
80
70
60
100
CMRR(dB)
FREQUENCY (Hz)
1000
10000
50
VP = 5 V
RL = 8 W
Av = 1
Cb = 1
mF
40
30
60
CMRR(dB)
FREQUENCY (Hz)
0
Av = 5
Av = 1
VP = 3 V
RL = 8 W
Av = 1
Cb = 1
mF
60
20
Figure 19. Noise Floor @ VP = 3.6 V
10
100
1
100
OUTPUT
NOISE
VOL
T
AGE
(m
V
rms)
FREQUENCY (Hz)
1000
10000
100000
10
NCP4894 ON
VP = 3.6 V
RL = 8 W
Av = 1
Cb = 1
mF
100
1000
10000
50
40
30
60
20
CMRR(dB)
FREQUENCY (Hz)
VP = 2.2V
RL = 8 W
Av = 1
Cb = 1
mF
60
NCP4894 OFF
100000
Figure 20. PSRR versus Cb @ VP = 3 V
100
0
100
PSSR(dB)
FREQUENCY (Hz)
1000
10000
100000
50
VP = 3 V
RL = 8 W
Vripple = 200 mV pkpk
Inputs grounded with 10
W
Av = 1
40
30
20
10
90
80
70
60
Cb = 1
mF
Cb = 4.7
mF
Cb = 0.47
mF
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