參數(shù)資料
型號(hào): TS472EIJT
廠商: 意法半導(dǎo)體
英文描述: Very Low Noise Microphone Preamplifier with 2V Biased Output and Active Low Standby Mode
中文描述: 極低噪聲麥克風(fēng)前置放大器,2V的偏壓輸出和有源低待機(jī)模式
文件頁數(shù): 7/20頁
文件大?。?/td> 611K
代理商: TS472EIJT
TS472
Electrical Characteristics
7/20
Figure 2.
Current consumption vs. power
supply voltage
Figure 3.
Current consumption vs. power
supply voltage
Figure 4.
Standby threshold voltage vs.
power supply voltage
Figure 5.
Frequency response
Figure 6.
Bias output voltage vs. bias output
current
Figure 7.
Bias output voltage vs. power
supply voltage
3
4
5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
T
AMB
=85°C
T
AMB
=25°C
T
AMB
=-40°C
No Loads, Minimum Gain
C
Power Supply Voltage (V)
5.5
2.2
3
4
5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
T
AMB
=85°C
T
AMB
=25°C
T
AMB
=-40°C
No Loads, Maximum Gain
C
Power Supply Voltage (V)
5.5
2.2
3
4
5
0.0
0.2
0.4
0.6
0.8
1.0
No Loads
Tamb = 25°C
S
Power Supply Voltage (V)
2.2
5.5
10
100
1000
10000
100000
-20
-10
0
10
20
30
C1,C2=220pF
C1,C2=100pF
Cin,Cout=10nF
Cin,Cout=100nF
no C1,C2
Cb=1
μ
F, T
AMB
=25
°
C, Gain=20dB, Rout=100k
P
Frequency (Hz)
0
1
2
3
4
1.4
1.6
1.8
2.0
2.2
Tamb=85°C
Tamb=25°C
B
Bias Output Current (mA)
Tamb=-40°C
3
4
5
1.4
1.6
1.8
2.0
2.2
Ibias=4mA
Ibias=2mA
Tamb=25°C
Ibias=0mA
B
Power Supply Voltage (V)
2.2
5.5
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