參數(shù)資料
型號: LM6482
廠商: National Semiconductor Corporation
英文描述: CMOS Dual Rail-To-Rail Input and Output Operational Amplifier
中文描述: CMOS雙軌至軌輸入和輸出運算放大器
文件頁數(shù): 17/22頁
文件大?。?/td> 1001K
代理商: LM6482
Application Information
(Continued)
for offset voltage, CMRR and gain. Low cost and low power
consumption are the main advantages of this two op-amp
circuit.
Higher frequency and larger common-mode range applica-
tions are best facilitated by a three op-amp instrumentation
amplifier.
11.0 Spice Macromodel
A spice macromodel is available for the LMC6482. This
model includes accurate simulation of:
Input common-mode voltage range
Frequency and transient response
GBW dependence on loading conditions
Quiescent and dynamic supply current
Output swing dependence on loading conditions
and many more characteristics as listed on the macromodel
disk.
Contact your local National Semiconductor sales office to
obtain an operational amplifier spice model library disk.
Typical Single-Supply Applications
The circuit in Figure 17uses a single supply to half wave rec-
tify a sinusoid centered about ground. R
limits current into
the amplifier caused by the input voltage exceeding the sup-
ply voltage. Full wave rectification is provided by the circuit in
Figure 19
DS011713-30
FIGURE 16. Low-Power Two-Op-Amp Instrumentation Amplifier
DS011713-31
FIGURE 17. Half-Wave Rectifier
with Input Current Protection (RI)
DS011713-32
FIGURE 18. Half-Wave Rectifier Waveform
DS011713-33
FIGURE 19. Full Wave Rectifier
with Input Current Protection (R
I
)
www.national.com
17
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