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參數(shù)資料
| 型號： | LM3914VX |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | LED Display Driver |
| 中文描述： | LED顯示驅(qū)動器 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 236K |
| 代理商： | LM3914VX |
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Supply Voltage
LM391N-100
g
50V or
a
100V
Supply Voltage less 5V
Input Voltage
Shutdown Current (Pin 14)
1 mA
Package Dissipation (Note 1)
1.39W
Storage Temperature
b
65
§
C to
a
150
§
C
0
§
C to
a
70
§
C
Operating Temperature
Lead Temp. (Soldering, 10 sec.)
260
§
C
Thermal Resistance
i
JC
i
JA
20
§
C/W
63
§
C/W
Electrical Characteristics
T
A
e
25
§
C (The following are for V
a
e
90% V
a
MAX
and V
b
e
90% V
b
MAX
.)
Parameter
Conditions
Min
Typ
Max
Units
Quiescent Current
LM391N-100
Current in Pin 15
V
IN
e
0
mA
5
6
Output Swing
Positive
Negative
V
a
b
7
V
b
a
7
V
a
b
5
V
b
a
5
V
V
Drive Current
Source (Pin 8)
Sink (Pin 5)
5
5
mA
mA
Noise (20 Hz–20 kHz)
Input Referred
3
m
V
Supply Rejection
Input Referred
70
90
dB
Total Harmonic Distortion
f
e
1 kHz
f
e
20 kHz
0.01
0.10
%
%
0.25
Intermodulation Distortion
60 Hz, 7 kHz, 4:1
0.01
%
Open Loop Gain
f
e
1 kHz
1000
5500
V/V
Input Bias Current
0.1
1.0
m
A
Input Offset Voltage
5
20
mV
Positive Current Limit V
BE
Pin 10–9
650
mV
Negative Current Limit V
BE
Pin 9–13
650
mV
Positive Current Limit Bias Current
Pin 10
10
100
m
A
Negative Current Limit Bias Current
Pin 13
10
100
m
A
Pin 14 Current Comments
Minimum pin 14 current required for shutdown is 0.5 mA, and must not exceed 1 mA.
Maximum pin 14 current for amplifier not shut down is 0.05 mA.
The typical shutdown switch point current is 0.2 mA.
Note 1:
For operation in ambient temperatures above 25
§
C, the device must be derated based on a 150
§
C maximum junction temperature and a thermal resistance
of 90
§
C/W junction to ambient.
Typical Applications
TL/H/7146–3
FIGURE 1. LM391 with External ComponentsD
Protection Circuitry Not Shown
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM3914VX/NOPB | 功能描述:LED照明驅(qū)動器 DOT/BAR DISPLAY DRVR RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| LM3915 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dot/Bar Display Driver |
| LM3915J/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LED Display Driver |
| LM3915N | 制造商:Texas Instruments 功能描述: 制造商:Texas Instruments 功能描述:IC LED DISPLAY DRIVER 3915 DIP18 |
| LM3915N/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LED Display Driver |
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