參數(shù)資料
型號(hào)： TS4984IQT
廠商： STMICROELECTRONICS
元件分類： 音頻／視頻放大
英文描述： 1 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC16
封裝： 4 X 4 MM, 0.50 MM PITCH, LEAD FREE, TQFN-16
文件頁(yè)數(shù)： 8/29頁(yè)
文件大?。?/td> 901K
代理商： TS4984IQT
TS4984
Electrical characteristics
16/29
Figure 56: SIgnal to noise ratio vs. power
supply with A weighted filter
Figure 57: Crosstalk vs. frequency
Figure 58: Crosstalk vs. frequency
Figure 59: Crosstalk vs. frequency
Figure 60: Crosstalk vs. frequency
Figure 61: Output noise voltage, device ON
2.5
3.0
3.5
4.0
4.5
5.0
80
85
90
95
RL=16
RL=8
RL=4
Av = 10
Cb = 1
F
THD+N < 0.7%
Tamb = 25
°C
Signal
to
N
o
ise
R
a
tio
(dB
)
Power Supply Voltage (V)
100
1000
10000
-120
-100
-80
-60
-40
-20
0
Vcc = 5V
Av = 2
Pout = 1W
RL = 8
BW < 125kHz
Tamb = 25 C
L to R
R to L
C
rosstalk
(dB
)
Frequency (Hz)
100
1000
10000
-120
-100
-80
-60
-40
-20
0
Vcc = 3.3V
Av = 2
Pout = 300mW
RL = 8
BW < 125kHz
Tamb = 25 C
L to R
R to L
C
rosstalk
(dB
)
Frequency (Hz)
100
1000
10000
-120
-100
-80
-60
-40
-20
0
Vcc = 2.6V
Av = 2
Pout = 180mW
RL = 8
BW < 125kHz
Tamb = 25 C
L to R
R to L
C
rosstalk
(dB
)
Frequency (Hz)
100
1000
10000
-120
-100
-80
-60
-40
-20
0
Vcc = 2.2V
Av = 2
Pout = 70mW
RL = 8
BW < 125kHz
Tamb = 25 C
L to R
R to L
C
rosstalk
(dB
)
Frequency (Hz)
24
68
10
15
20
25
30
35
40
45
50
A Weighted Filter
Unweighted Filter
Vcc = 2.2V to 5V
Cb = 1
F
RL = 8
Tamb = 25°C
Output
N
o
ise
Voltage
(
Vrms)
Closed Loop Gain
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