參數(shù)資料
型號(hào): 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(yè)數(shù): 3/31頁(yè)
文件大?。?/td> 537K
代理商: TS4982IQT
TS4982
Electrical characteristics
Doc ID 14527 Rev 2
11/31
Figure 8.
Output power vs. power supply
Figure 9.
Output power vs. power supply
3.0
3.5
4.0
4.5
5.0
5.5
0
50
100
150
200
THD+N = 10%
HEADPHONE
V
CC
= PV
CCL,R
= 5V
R
L
= 16
Ω, F = 1kHz
BW = 22Hz to 22kHz
T
AMB
= 25
°C
THD+N = 1%
Ou
tpu
tPo
wer
(mW)
Power Supply Voltage HPV
CC
= CPV
CC
(V)
3.0
3.5
4.0
4.5
5.0
5.5
0
20
40
60
80
100
120
THD+N = 10%
HEADPHONE
V
CC
= PV
CCL,R
= 5V
R
L
= 32
Ω, F = 1kHz
BW = 22Hz to 22kHz
T
AMB
= 25
°C
THD+N = 1%
Ou
tpu
tPo
wer
(mW)
Power Supply Voltage HPV
CC
= CPV
CC
(V)
Figure 10.
Output power vs. load resistance
Figure 11.
Output power vs. load resistance
0
102030
405060
0.0
0.5
1.0
1.5
2.0
2.5
SPEAKER
V
CC
= PV
CCL,R
= 5V, THD+N = 1%
F = 1kHz, BW = 22Hz to 22kHz
T
AMB
= 25
°C
Out
put
Power
(W)
Load Resistance (
Ω)
0
40
80
120
160
200
0
20
40
60
80
100
120
140
HPV
CC
= CPV
CC
= 5V
HEADPHONE
V
CC
= PV
CCL,R
= 5V, THD+N = 1%
F = 1kHz, BW = 22Hz to 22kHz
T
AMB
= 25
°C
O
u
tput
Pow
er
(mW)
Load Resistance (
Ω)
HPV
CC
= CPV
CC
= 3V
Figure 12.
THD+N vs. output power
Figure 13.
THD+N vs. output power
1E-3
0.01
0.1
1
0.01
0.1
1
10
3
F = 1kHz
F = 6kHz
F = 60Hz
TH
D
+
N
(%)
Output Power (W)
SPEAKER
R
L
= 4
Ω, V
CC
= PV
CCL,R
= 5V
Gain = 9dB, T
AMB
= 25
°C
BW = 22Hz to 22kHz
1E-3
0.01
0.1
1
0.01
0.1
1
10
3
F = 1kHz
F = 6kHz
F = 60Hz
TH
D
+
N
(%)
Output Power (W)
SPEAKER
R
L
= 4
Ω, V
CC
= PV
CCL,R
= 5V
Gain = 13.5dB, T
AMB
= 25
°C
BW = 22Hz to 22kHz
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