参数资料
| 型号： | NCP4896FCT1G |
| 厂商： | ON Semiconductor |
| 文件页数： | 15/16页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PORTABLE 9FLIPCHIP |
| 产品变化通告： | Product Discontinuation 01/Oct/2008 |
| 标准包装： | 3,000 |
| 类型： | AB 类 |
| 输出类型： | 1-通道（单声道）带单声道耳机 |
| 在某负载时最大输出功率 x 通道数量： | 1.08W x 1 @ 8 欧姆; 176mW x 1 @ 16 欧姆 |
| 电源电压： | 2.2 V ~ 5.5 V |
| 特点： | 消除爆音，关机，热保护 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 9-覆晶 |
| 封装/外壳： | 9-WFBGA，FCBGA |
| 包装： | 带卷 (TR) |
NCP4896
http://onsemi.com
8
TYPICAL PERFORMANCE CHARACTERISTICS
10
100
1000
10000
100000
PSRR
(dB)
FREQUENCY (Hz)
VP = 3.6 V
RF = Ri
= 20 kW
SE Mode
RL = 32 W
Vripple = 200 mV pkpk
100
90
80
70
60
50
40
30
20
10
0
Figure 20. PSRR vs. Cb (SE Mode) @ VP = 3.6 V
Cb=0.47 mF
Cb=1.0 mF
Cb= 4.7 mF
10
100
1000
10000
100000
PSRR
(dB)
FREQUENCY (Hz)
100
90
80
70
60
50
40
30
20
10
0
Figure 21. PSRR vs. Gain (SE Mode) @ VP = 3.6 V
GAIN = 1
GAIN = 5
Figure 22. Output Noise Voltage (BTL Mode)
@ VP = 3.6 V
VP = 3.6 V
RF = Ri
= 20 kW and RF = Ri = 100 kW
SE Mode
RL = 8 W
Vripple = 200 mV pkpk
10
100
1000
10000
OUTPUT
NOISE
VOL
T
AGE
(
m
V
rms)
FREQUENCY (Hz)
VP = 3.6 V
RF = Ri
= 20 kW
BTL Mode
RL = 8 W
0
10
20
30
40
50
NCP4896 OFF
NCP4896 ON
Figure 23. Output Noise Voltage (SE Mode)
@ VP = 3.6 V
10
100
1000
10000
OUTPUT
NOISE
VOL
T
AGE
(m
V
rms)
FREQUENCY (Hz)
VP = 3.6 V
RF = Ri
= 20 kW
SE Mode
RL = 32 W
0
10
20
30
40
50
NCP4896 OFF
NCP4896 ON
I dd
,(mA)
TEMPERATURE (C
°)
RF = Ri = 20
W
BTL MODE
RL = 8 W
2.0
2.2
2.4
2.6
2.8
3.0
3.2
40
15
10
35
60
85
Figure 24. Quiescent Current (BTL Mode) vs. VP
VP = 3.0 V
VP = 2.2 V
VP = 5.5 V
VP = 5.0 V
I dd
,(mA)
TEMPERATURE (C
°)
1.0
1.1
1.2
1.3
1.4
1.5
1.6
40
15
10
35
60
85
Figure 25. Quiescent Current (SE Mode) vs. VP
2.0
1.9
1.8
1.7
VP = 3.0 V
VP = 2.2 V
VP = 5.5 V
VP = 5.0 V
RF = Ri = 20
W
SE MODE
RL =32 W
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