参数资料
型号: LMV822MX/NOPB
厂商: National Semiconductor
文件页数: 10/38页
文件大小: 0K
描述: IC OP AMP RAIL/RAIL 8-SOIC
标准包装: 1
放大器类型: 通用
电路数: 2
输出类型: 满摆幅
转换速率: 2 V/µs
增益带宽积: 5.6MHz
电流 - 输入偏压: 100nA
电压 - 输入偏移: 3500µV
电流 - 电源: 500µA
电流 - 输出 / 通道: 45mA
电压 - 电源,单路/双路(±): 2.5 V ~ 5.5 V,±1.25 V ~ 2.75 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 标准包装
产品目录页面: 1269 (CN2011-ZH PDF)
其它名称: LMV822MXDKR
SNOS032G – AUGUST 1999 – REVISED NOVEMBER 2013
Figure 40. Output signal per the Circuit of Figure 39
DUAL AMPLIFIER ACTIVE FILTERS (DAAFs)
The LMV822/24 bring economy and performance to DAAFs. The low-pass and the high-pass filters of Figure 41
and Figure 42 (respectively), offer one key feature: excellent sensitivity performance. Good sensitivity is when
deviations in component values cause relatively small deviations in a filter's parameter such as cutoff frequency
(Fc). Single amplifier active filters like the Sallen-Key provide relatively poor sensitivity performance that
sometimes cause problems for high production runs; their parameters are much more likely to deviate out of
specification than a DAAF would. The DAAFs of Figure 41 and Figure 42 are well suited for high volume
production.
3 kHz Low-Pass Active Filter with a Butterworth Response and a Pass Band Gain of Times Two
Figure 41. Dual Amplifier
18
Copyright 1999–2013, Texas Instruments Incorporated
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