- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄358876 > LM832N (NATIONAL SEMICONDUCTOR CORP) LM832 Dynamic Noise Reduction System DNR PDF資料下載
參數(shù)資料
| 型號： | LM832N |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 消費家電 |
| 英文描述： | LM832 Dynamic Noise Reduction System DNR |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP14 |
| 封裝： | PLASTIC, DIP-14 |
| 文件頁數(shù)： | 3/11頁 |
| 文件大?。?/td> | 225K |
| 代理商： | LM832N |
External Component Guide
(SeeFigure 1)
Recom-
mended
Value
Effect
P/N
Purpose
Smaller
Larger
Remarks
C1
10
m
F
Power supply
decoupling
Poor supply
rejection
Better supply
rejection
Do not use less
than 10
m
F
C2,C11
1
m
F
Input coupling
capacitor
Increases
frequency of low-
frequency roll-off
Reduces
frequency of low-
frequency roll-off
DC voltage at pin 2
and pin 13 is 0.35V
f
e
1
2
q
C
2
R
IN
C3,C10
22 nF for Stereo,
15 nF for mono
Establishment of Min
and Max Bandwidth
Bandwidth
becomes wider
Bandwidth
becomes narrower
See Note 4
C4,C8
1
m
F
Output coupling
capacitor
Increases
frequency of low-
frequency roll-off
Reduces
frequency of low-
frequency roll-off
DC voltage at pin 4
and pin 11 is 0.35V
f
e
1
2
q
C
4
R
LOAD
Works with R1 and R2
to set one of the low-
frequency corners
in control path
Some high frequency
program material
may be attenuated
Bandwidth may
increase due
to low-frequency
inputs, causing
‘‘Breathing’’
C5
0.1
m
F
f
e
1
2
q
C
5
(R1
a
R2)
e
1.6 kHz
See Note 4
Works with input
resistance of pin 6
to set one of the
low-frequency
corners in the
control path
C6
820 pF
Same as
above
Same as
above
f
e
1
2
q
C
6
R
PIN6
e
4.8 kHz
See Note 4
Works with input
resistance of pin 9
to form part of
control path
frequency weighing
Same as
above
Same as
above
C7
39 nF
f
e
1
2
q
C
7
R
PIN7
e
4.8 kHz
See Note 4
C9
1
m
F
Sets attack time
Reduces attack
and decay time
Increases attack
and decay time
See Note 4
This voltage
divider sets
control path
sensitivity
Sensitivity should be set for
maximum noise reduction
and minimum audible
frequency program effect
on high
R1,R2
R
1
a
R
2
e
1 k
X
D
D
R3
#
2 k
X
Sets gain amp load
when DNR is OFF
Loads gain amp
output, may
cause distortion
Max bandwidth
will be reduced
Note 4:
The values of the control path filter components (C5, C6, C7, C9, R1, R2) and the integrating capacitors (C3, C10) should not be changed from the
recommended values unless the characteristics of the noise or program material differ substantially from that of FM or tape sources. Failure to use the correct
values may result in degraded performance, and therefore the application may not be approved for DNR trademark usage. Please contact National Semiconductor
for more information and technical assistance.
3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM833D | DUAL OPERATIONAL AMPLIFIER |
| LM833P | Voltage-Feedback Operational Amplifier |
| LM833DT | OP-AMP|DUAL|BIPOLAR|SOP|8PIN|PLASTIC |
| LM833DR2 | Voltage-Feedback Operational Amplifier |
| LM833_NATIONAL | |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM832N/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LM832N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LM833 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual Audio Operational Amplifier |
| LM833/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual Low Noise， Audio Amplifier |
| LM833_05 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Low Noise Dual Operational Amplifier |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。