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(yè)數(shù): 9/20頁(yè)
文件大?。?/td> 611K
代理商: TS472EIJT
TS472
Electrical Characteristics
9/20
Figure 14. Single-ended output PSRR vs.
frequency
Figure 15. Equivalent input noise voltage
density
Figure 16.
gain vs. power supply voltage
Figure 17.
gain vs. ambient temperature
Figure 18. Maximum input voltage vs. gain,
THD+N<1%
Figure 19. Maximum input voltage vs. power
supply voltage, THD+N<1%
100
1000
10000
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc=5V
Vcc=2.2V
Vcc=3V
Vripple=200mVpp
Inputs grounded
Cb=1
μ
F
Cin=100nF
Tamb=25
°
C
P
Frequency (Hz)
50
20k
10
100
1k
10k
100k
1
10
100
1000
Cin=100nF
R
EQ
=100
T
AMB
=25
°
C
e
n
(
n
H
)
Frequency (Hz)
3
4
5
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
Maximum Gain
Gain=20dB
F=1kHz
Vin=5mV
Tamb=25°C
Minimum Gain
G
Power Supply Voltage (V)
2.2
5.5
-40
-20
0
20
40
60
80
-1.00
-0.75
-0.50
-0.25
0.00
0.25
0.50
Maximum Gain
F=1kHz
V
IN
=5mV
Gain=20dB
Minimum Gain
G
Ambient Temperature (°C)
0
10
20
30
40
0
50
100
150
V
CC
=2.2V
T
AMB
=25°C
F=1kHz
THD+N<1%
M
(
m
R
)
Gain (dB)
V
CC
=5.5V
V
CC
=3V
3
4
5
0
20
40
60
80
100
120
140
Gain=20dB
Gain=0dB
T
AMB
=25°C, F=1kHz, THD+N<1%
M
(
m
R
)
Power Supply Voltage (V)
Gain=30dB
Gain=40dB
2.2
5.5
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