參數(shù)資料
型號(hào): NCP4894FCT1
廠商: ON SEMICONDUCTOR
元件分類(lèi): 音頻/視頻放大
英文描述: 1.8 Watt Differential Audio Power Amplifier with Selectable Shutdown
中文描述: 1.08 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9
封裝: FLIP CHIP, CSP-9
文件頁(yè)數(shù): 10/18頁(yè)
文件大?。?/td> 174K
代理商: NCP4894FCT1
NCP4894
http://onsemi.com
10
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 24. Power Dissipation versus Output
Power
0
0.2
0.7
0
0.1
P
D
,
P
out
, OUTPUT POWER (W)
Figure 25. Power Dissipation versus Output
Power
0
0.1
0.2
0.3
0.3
0
0.1
P
D
,
P
out
, OUTPUT POWER (W)
VP = 5 V
R
L
= 8
F = 1 kHz
THD + N < 0.1%
VP = 3.3 V
R
L
= 8
F = 1 kHz
THD + N < 0.1%
0.5
0.4
0.6
0.8
1
1.2
0.2
0.4
0.5
0.2
0.3
0.4
0.6
0.05
0.15
0.25
Figure 26. Power Dissipation versus Output
Power
0
0.1
0.2
0.3
0.4
0.25
0
0.05
P
D
,
P
out
, OUTPUT POWER (W)
Figure 27. Power Dissipation versus Output
Power
0
0.05
0.1
0.15
0.4
0.4
0
0.1
P
D
,
P
out
, OUTPUT POWER (W)
VP = 3 V
R
L
= 8
F = 1 kHz
THD + N < 0.1%
0.1
0.15
0.2
0.2
0.25
0.3
0.35
0.05
0.2
0.15
0.3
0.25
0.35
VP = 2.6 V
F = 1 kHz
THD + N < 0.1%
R
L
= 8
R
L
= 4
Figure 28. Power Derating 9Pin FlipChip CSP
0
20
160
700
0
P
D
,
T
A
, AMBIENT TEMPERATURE (
°
C)
Figure 29. Maximum Die Temperature versus
PCB Heatsink Area
50
100
250
180
40
60
D
°
C
A
°
C
PCB HEATSINK AREA (mm
2
)
120
150
200
100
200
300
400
500
600
80
100
160
140
P
Dmax
= 633 mW
for VP = 5 V,
R
L
= 8
40
60
80
100
120
140
PCB Heatsink Area
500 mm
2
50 mm
2
200 mm
2
300
Maximum Die Temperature 150
°
C
VP = 2.6 V
VP = 5 V
VP = 3.3 V
VP = 4.2 V
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