參數(shù)資料
型號： TS4982IQT
廠商： STMICROELECTRONICS
元件分類： 音頻／視頻放大
英文描述： 2 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC32
封裝： 5 X 5 MM, ROHS COMPLIANT, QFN-32
文件頁數(shù)： 2/31頁
文件大?。?/td> 537K
代理商： TS4982IQT
Electrical characteristics
TS4982
10/31
Doc ID 14527 Rev 2
Figure 2.
Current consumption vs. power
supply voltage
Figure 3.
Current consumption vs. standby
voltage
3.0
3.5
4.0
4.5
5.0
5.5
0
2
4
6
8
10
SPEAKER
V
SPKREN
= V
HDEN
= GND
HEADPHONE
V
SPKREN
= V
HDEN
= V
CC
V
CC
= PV
CCL,R
= 5V
T
AMB
= 25°C
no load
Cur
rent
Consumption
(mA)
Power Supply Voltage (V)
01
23
4
5
0
2
4
6
8
10
12
SPEAKER
V
CC
= PV
CCL,R
= 5V, V
HDEN
= GND
no load, T
AMB
= 25°C
Cur
rent
Consumption
(mA)
SPKREN pin Voltage (V)
Figure 4.
Current consumption vs. standby
voltage
Figure 5.
Power derating curves
01
23
45
0
1
2
3
4
5
6
7
8
9
CPV
CC
= HPV
CC
= 5V
CPV
CC
= HPV
CC
= 3V
C
u
rrent
C
ons
um
pt
ion
(
m
A
)
HDEN pin Voltage (V)
HEADPHONE
V
CC
= PV
CCL,R
= 5V, V
SPKREN
= V
CC
no load, T
AMB
= 25°C
0
25
50
75
100
125
150
0
1
2
3
4
5
6
No Heat sink
With 4-layer PCB
Packa
g
e
Pow
er
D
issipation
(W)
Ambient Temperature (
°C)
Figure 6.
Output power vs. power supply
Figure 7.
Output power vs. power supply
4.5
5.0
5.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
THD+N = 10%
SPEAKER
R
L
= 4
Ω, F = 1kHz
BW = 22Hz to 22kHz
T
AMB
= 25
°C
THD+N = 1%
Out
p
u
tPow
e
r(W)
Power Supply Voltage V
CC
= PV
CCL,R
(V)
4.5
5.0
5.5
0.0
0.5
1.0
1.5
2.0
2.5
THD+N = 10%
SPEAKER
R
L
= 8
Ω, F = 1kHz
BW = 22Hz to 22kHz
T
AMB
= 25
°C
THD+N = 1%
Out
p
u
tPow
e
r(W)
Power Supply Voltage V
CC
= PV
CCL,R
(V)
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參數(shù)描述
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TS4984EIKJT 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2W Stereo Audio Power Amplifier with Active Low Standby Mode
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TS4984IQT 功能描述:音頻放大器 2x1W stereo audio Pwr amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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