參數(shù)資料
型號: TS4956EIJT
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 1.055 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA18
封裝: ROHS COMPLIANT, FCP-18
文件頁數(shù): 31/55頁
文件大小: 1711K
代理商: TS4956EIJT
TS4956
Electrical characteristics
37/55
Figure 118. Power dissipation vs. output power Figure 119. Power dissipation vs. output power
0
20
40 60
80 100 120 140 160 180 200 220 240
0
10
20
30
40
50
60
70
80
90
RL=32
Ω
RL=16
Ω
Mode 5, 6 - MLO
Vcc = 5V
F = 1kHz
THD+N < 10%
Pow
e
rDissi
pation
(mW)
Output Power (mW)
THD+N=1%
0
50
100
150
200
250
300
0
10
20
30
40
50
60
70
80
90
100
RL=32
Ω
RL=16
Ω
Mode 5, 6 - MLO
Vcc = 5.5V
F = 1kHz
THD+N < 10%
Pow
e
rDissi
pation
(mW)
Output Power (mW)
THD+N=1%
Figure 120. Power derating curves
Figure 121. Crosstalk vs. frequency
Figure 122. Crosstalk vs. frequency
0
255075
100
125
150
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Heat sink surface = 125mm
2
Flip-C
hip
P
a
ckage
P
o
wer
D
iss
ipation
(W)
Ambiant Temperature (
°C)
No Heat sink
100
1000
10000
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc=2.7V
Po=200mW
Vcc=3.3V
Po=300mW
Mode 4
RL = 8
Ω
BTL out -> SPK out
SPK out -> BTL out
Tamb = 25
°C
Crosstalk
Level
(dB)
Frequency (Hz)
Vcc=5V
Po=700mW
100
1000
10000
-80
-70
-60
-50
-40
-30
-20
-10
0
RL=16
Ω
Po=15mW
RL=32
Ω
Po=10mW
Vcc = 5V, 3.3V, 2.7V
Mode 4
LHP -> RHP
RHP -> LHP
Tamb = 25
°C
Crosstalk
Level
(dB)
Frequency (Hz)
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