参数资料
型号: LMV1012-25
厂商: National Semiconductor Corporation
英文描述: Pre-Amplified IC’s for High Gain 2-Wire Microphones
中文描述: 预放大集成电路的高增益2线麦克风
文件页数: 3/15页
文件大小: 497K
代理商: LMV1012-25
2.2V Electrical Characteristics
(Note 3) (Continued)
Unless otherwise specified, all limits guaranteed for T
J
= 25C, V
DD
= 2.2V, V
IN
= 18 mV, R
L
= 2.2 k
and C = 2.2 μF.
Boldface
limits apply at the temperature extremes.
Symbol
A
V
Parameter
Conditions
Min
(Note 4)
6.4
5.5
14.0
13.1
19.5
17.4
22.5
21.4
Typ
(Note 5)
7.8
Max
(Note 4)
9.5
10.0
16.9
17.5
22.0
23.3
25.0
25.7
Units
Gain
f = 1 kHz,
R
SOURCE
= 50
LMV1012-07
dB
LMV1012-15
15.6
LMV1012-20
20.9
LMV1012-25
23.8
5V Electrical Characteristics
(Note 3)
Unless otherwise specified, all limits guaranteed for T
J
= 25C, V
DD
= 5V, V
IN
= 18 mV, R
L
= 2.2 k
and C = 2.2 μF.
Boldface
limits apply at the temperature extremes.
Symbol
I
DD
Parameter
Conditions
Min
(Note 4)
Typ
(Note 5)
158
Max
(Note 4)
250
300
300
325
260
310
250
300
Units
Supply Current
V
IN
= GND
LMV1012-07
μA
LMV1012-15
200
LMV1012-20
188
LMV1012-25
160
SNR
Signal to Noise Ratio
f = 1 kHz, V
IN
= 18
mV, A-Weighted
LMV1012-07
LMV1012-15
LMV1012-20
LMV1012-25
LMV1012-07
LMV1012-15
LMV1012-20
LMV1012-25
LMV1012-07
59
60
61
61
170
100
55
28
4.65
dB
V
IN
Max Input Signal
f = 1 kHz and
THD+N
<
1%
mV
PP
V
OUT
Output Voltage
V
IN
= GND
4.45
4.38
4.34
4.28
4.40
4.30
4.45
4.39
4.80
4.85
4.74
4.80
4.75
4.85
4.83
4.86
V
LMV1012-15
4.56
LMV1012-20
4.58
LMV1012-25
4.65
f
LOW
f
HIGH
e
n
Lower 3dB Roll Off Frequency
Upper 3dB Roll Off Frequency
Output Noise
R
SOURCE
= 50
R
SOURCE
= 50
A-Weighted
67
150
96
89
84
82
0.12
0.13
0.18
0.21
Hz
kHz
LMV1012-07
LMV1012-15
LMV1012-20
LMV1012-25
LMV1012-07
LMV1012-15
LMV1012-20
LMV1012-25
dBV
THD
Total Harmonic Distortion
f = 1 kHz,
V
IN
= 18 mV
%
L
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LMV1012TP-25 制造商:NSC 制造商全称:National Semiconductor 功能描述:Pre-Amplified IC’s for High Gain 2-Wire Microphones