參數資料
型號: NCP4894MNR2G
廠商: ON Semiconductor
文件頁數: 18/19頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 1W DIFF 10-DFN
標準包裝: 1
類型: AB 類
輸出類型: 1-通道(單聲道)
在某負載時最大輸出功率 x 通道數量: 1.8W x 1 @ 8 歐姆
電源電壓: 2.2 V ~ 5.5 V
特點: 消除爆音,差分輸入,短路和熱保護,關閉
安裝類型: 表面貼裝
供應商設備封裝: 10-DFN(3x3)
封裝/外殼: 10-VFDFN 裸露焊盤
包裝: 剪切帶 (CT)
其它名稱: NCP4894MNR2GOSCT
NCP4894
http://onsemi.com
8
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 9. THDN versus Output Power
100
0
100
PSSR(dB)
FREQUENCY (Hz)
Figure 10. THDN versus Output Power
1000
10000
100000
50
VP = 5 V
RL = 8 W
Vripple = 200 mV pkpk
Inputs grounded with 10
W
Av = 1
Cb = 1
mF
0
200
10
0.001
THD+N(%)
OUTPUT POWER (mW)
0.01
0.1
1
400
600
800
1000
VP = 3.6 V
RL = 4 W
f = 1 kHz
0
100
10
THD+N(%)
OUTPUT POWER (mW)
0.01
0.1
1
200
300
VP = 2.6 V
RL = 8 W
f = 1 kHz
0.001
40
30
20
10
90
80
70
60
100
0
100
PSSR(dB)
FREQUENCY (Hz)
1000
10000
100000
50
VP = 3 V
RL = 8 W
Vripple = 200 mV pk=pk
Inputs grounded with 10
W
Av = 1
Cb = 1
mF
40
30
20
10
90
80
70
60
100
0
100
PSSR(dB)
FREQUENCY (Hz)
1000
10000
100000
50
VP = 2.2 V
RL = 8 W
Vripple = 200 mV pkpk
Inputs grounded with 10
W
Av = 1
Cb = 1
mF
40
30
20
10
90
80
70
60
Figure 11. THDN versus Output Power
Figure 12. PSRR @ VP = 5 V
Figure 13. PSRR @ VP = 3 V
Figure 14. PSRR @ VP = 2.2 V
2000
1800
1600
1400
1200
1000
800
600
400
200
0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
OUTPUT
POWER
(mW)
RL = 8 W
f = 1 kHz
THD+N = 10%
THD+N = 1%
POIWER SUPPLY (V)
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