參數(shù)資料
型號(hào): TS4974IQT
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 1 CHANNEL(S), VOLUME CONTROL CIRCUIT, DSO10
封裝: 3 X 3 MM, 0.50 MM PITCH, ROHS COMPLIANT, DFN-10
文件頁數(shù): 5/25頁
文件大?。?/td> 319K
代理商: TS4974IQT
TS4974
Electrical characteristics
13/25
Figure 26.
SNR vs. supply voltage
Figure 27.
Output power vs. supply voltage
2.5
3.0
3.5
4.0
4.5
5.0
5.5
90
92
94
96
98
100
102
104
106
108
110
RL=16
Ω
RL=8
Ω
Unweighted filter (20Hz to 20kHz)
F = 1kHz
G = 12dB
THD + N < 0.5%
Tamb = 25
°C
SNR
(dB)
Vcc (V)
2.5
3.0
3.5
4.0
4.5
5.0
0.0
0.2
0.4
0.6
0.8
1.0
8
Ω
16
Ω
32
Ω
F = 1kHz
BW < 125 kHz
Tamb = 25
°C
O
u
tput
pow
er
at
1
%
TH
D
+
N
(mW)
Vcc (V)
Figure 28.
Output power vs. supply voltage
Figure 29.
Output power vs. load resistance
2.5
3.0
3.5
4.0
4.5
5.0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
8
Ω
16
Ω
32
Ω
F = 1kHz
BW < 125 kHz
Tamb = 25
°C
O
u
tput
pow
e
r
at
10%
TH
D
+
N
(mW)
Vcc (V)
8
121620242832
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
Vcc=2.6V
Vcc=3V
Vcc=3.3V
Vcc=4.5V
Vcc=5V
Vcc=4V
O
u
tput
pow
e
r(W)
Load resistance (
Ω)
THD+N = 1%
Cb = 1
μF
BW < 125kHz
Tamb = 25
°C
Vcc=5.5V
Figure 30.
Current consumption vs. supply
voltage
Figure 31.
Standby current vs. supply voltage
01
23
4
5
6
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
No load
Tamb = 25
°C
Icc
(mA)
Vcc (V)
01
2
3
456
0.0
0.1
0.2
0.3
0.4
No load
Tamb = 25
°C
Istby
(
μ
A)
Vcc (V)
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