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參數(shù)資料
| 型號： | NCP4896EVB |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 15/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL BOARD FOR NCP4896 |
| 設(shè)計(jì)資源： | NPC4896 Demo Brd BOM NCP4896 Demo Brd Schematic |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 放大器類型： | AB 類 |
| 輸出類型： | 1-通道（單聲道）帶單聲道耳機(jī) |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 1.08W x 1 @ 8 歐姆; 176mW x 1 @ 16 歐姆 |
| 電源電壓： | 2.2 V ~ 5.5 V |
| 板類型： | 完全填充 |
| 已用 IC / 零件： | NCP4896 |
| 已供物品： | 板 |
| 其它名稱： | NCP4896EVBOS |
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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