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參數(shù)資料
| 型號： | LMV1012 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Pre-Amplified IC’s for High Gain 2-Wire Microphones |
| 中文描述： | 預放大集成電路的高增益2線麥克風 |
| 文件頁數(shù)： | 2/15頁 |
| 文件大小： | 497K |
| 代理商： | LMV1012 |
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Tolerance (Note 2)
Human Body Model
Machine Model
Supply Voltage
V
DD
- GND
2500V
250V
5.5V
Storage Temperature Range
Junction Temperature (Note 6)
Mounting Temperature
Infrared or Convection (20 sec.)
65C to 150C
150C max
235C
Operating Ratings
(Note 1)
Supply Voltage
Temperature Range
2V to 5V
40C to 85C
2.2V Electrical Characteristics
(Note 3)
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
I
DD
Parameter
Conditions
Min
(Note 4)
Typ
(Note 5)
139
Max
(Note 4)
250
300
300
325
250
300
250
300
Units
Supply Current
V
IN
= GND
LMV1012-07
μA
LMV1012-15
180
LMV1012-20
160
LMV1012-25
141
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
50
28
1.90
dB
V
IN
Max Input Signal
f = 1 kHz and
THD+N
<
1%
mV
PP
V
OUT
Output Voltage
V
IN
= GND
1.65
1.54
1.54
1.48
1.65
1.55
1.65
1.49
2.03
2.09
1.94
2.00
2.03
2.13
2.02
2.18
V
LMV1012-15
1.81
LMV1012-20
1.85
LMV1012-25
1.90
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
65
95
96
89
84
82
0.10
0.09
0.12
0.15
2
>
1000
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
%
C
IN
Z
IN
Input Capacitance
Input Impedance
pF
G
L
www.national.com
2
相關PDF資料 |
PDF描述 |
|---|---|
| LMV1012-07 | Analog Pre-Amplified IC’s for High Gain Microphones |
| LMV1012-15 | Pre-Amplified IC’s for High Gain 2-Wire Microphones |
| LMV1012-20 | Pre-Amplified IC’s for High Gain 2-Wire Microphones |
| LMV1012-25 | Pre-Amplified IC’s for High Gain 2-Wire Microphones |
| LMV102 | Fixed-Gain Amplifiers |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LMV1012-07 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Pre-Amplified IC’s for High Gain 2-Wire Microphones |
| LMV1012-15 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Pre-Amplified IC’s for High Gain 2-Wire Microphones |
| LMV1012-20 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Pre-Amplified IC’s for High Gain 2-Wire Microphones |
| LMV1012-25 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Pre-Amplified IC’s for High Gain 2-Wire Microphones |
| LMV1012TP-07 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Pre-Amplified IC’s for High Gain 2-Wire Microphones |
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