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參數(shù)資料
| 型號： | LM6161J |
| 英文描述： | High Speed Operational Amplifier(248.95 k) |
| 中文描述： | 高速運(yùn)算放大器（248.95十一） |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 248K |
| 代理商： | LM6161J |
Applications Tips
The LM6361 has been compensated for unity-gain opera-
tion. Since this compensation involved adding emitter-de-
generation resistors to the op amp’s input stage, the open-
loop gain was reduced as the stability increased. Gain error
due to reduced A
VOL
is most apparent at high gains; thus,
for gains between 5 and 25, the less-compensated LM6364
should be used, and the uncompensated LM6365 is appro-
priate for gains of 25 or more. The LM6361, LM6364, and
LM6365 have the same high slew rate, regardless of their
compensation.
The LM6361 is unusually tolerant of capacitive loads. Most
op amps tend to oscillate when their load capacitance is
greater than about 200 pF (especially in low-gain circuits).
The LM6361’s compensation is effectively increased with
load capacitance, reducing its bandwidth and increasing its
stability.
Power supply bypassing is not as critical for the LM6361 as
it is for other op amps in its speed class. Bypassing will,
however, improve the stability and transient response and is
recommended for every design. 0.01
m
F to 0.1
m
F ceramic
capacitors should be used (from each supply ‘‘rail’’ to
ground); if the device is far away from its power supply
source, an additional 2.2
m
F to 10
m
F of tantalum may pro-
vide extra noise reduction.
Keep all leads short to reduce stray capacitance and lead
inductance, and make sure ground paths are low-imped-
ance, especially where heavier currents will be flowing.
Stray capacitance in the circuit layout can cause signal cou-
pling across adjacent nodes and can cause gain to uninten-
tionally vary with frequency.
Breadboarded circuits will work best if they are built using
generic PC boards with a good ground plane. If the op amps
are used with sockets, as opposed to being soldered into
the circuit, the additional input capacitance may degrade
circuit performance.
Typical Applications
Offset Voltage Adjustment
TL/H/9057–4
1 MHz Low-Pass Filter
TL/H/9057–10
2
1% tolerance
*
Matching determines filter precision
f
c
e
(2
q
(R1 R2 C1 C2))
b
1
Modulator with Differential-to-Single-Ended Converter
TL/H/9057–11
7
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM6161W | High Speed Operational Amplifier(248.95 k) |
| LM6221 | |
| LM6225 | |
| LM6225H | Analog Buffer/Voltage Follower |
| LM6121 | High Speed Buffer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM6161J/883 | 制造商:Rochester Electronics LLC 功能描述: |
| LM6161J883 | 制造商:ROCHESTER 制造商全稱:ROCHESTER 功能描述:ADDED LEVELS OF RELIABILITY for the LM6161 family of Op Amps |
| LM6161JB | 制造商:ROCHESTER 制造商全稱:ROCHESTER 功能描述:ADDED LEVELS OF RELIABILITY for the LM6161 family of Op Amps |
| LM6161JQMLV | 制造商:ROCHESTER 制造商全稱:ROCHESTER 功能描述:ADDED LEVELS OF RELIABILITY for the LM6161 family of Op Amps |
| LM6161W | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High Speed Operational Amplifier(248.95 k) |
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