參數(shù)資料
型號(hào): LMV824M/NOPB
廠商: National Semiconductor
文件頁數(shù): 13/38頁
文件大?。?/td> 0K
描述: IC OP AMP R-R LOW VOLT LP 14SOIC
標(biāo)準(zhǔn)包裝: 55
放大器類型: 通用
電路數(shù): 4
輸出類型: 滿擺幅
轉(zhuǎn)換速率: 2 V/µs
增益帶寬積: 5.6MHz
電流 - 輸入偏壓: 100nA
電壓 - 輸入偏移: 3500µV
電流 - 電源: 1mA
電流 - 輸出 / 通道: 45mA
電壓 - 電源,單路/雙路(±): 2.5 V ~ 5.5 V,±1.25 V ~ 2.75 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 14-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 14-SOICN
包裝: 管件
產(chǎn)品目錄頁面: 1269 (CN2011-ZH PDF)
其它名稱: *LMV824M
*LMV824M/NOPB
LMV824M
SNOS032G – AUGUST 1999 – REVISED NOVEMBER 2013
Butterworth Response as Measured by the HP3577A Network Analyzer
Figure 43. 300 kHz, Low-Pass Filter
In addition to performance, DAAFs are relatively easy to design and implement. The design equations for the
low-pass and high-pass DAAFs are shown below. The first two equation calculate the Fc and the circuit Quality
Factor (Q) for the LPF (Figure 41). The second two equations calculate the Fc and Q for the HPF (Figure 42).
(2)
To simplify the design process, certain components are set equal to each other. Refer to Figure 41 and
Figure 42. These equal component values help to simplify the design equations as follows:
(3)
To illustrate the design process/implementation, a 3 kHz, Butterworth response, low-pass filter DAAF (Figure 41)
is designed as follows:
1. Choose C1 = C3 = C = 1 nF
2. Choose R4 = R5 = 1 k
3. Calculate Ra and R2 for the desired Fc as follows:
(4)
4. Calculate R3 for the desired Q. The desired Q for a Butterworth (Maximally Flat) response is 0.707 (45
degrees into the s-plane). R3 calculates as follows:
20
Copyright 1999–2013, Texas Instruments Incorporated
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LMV824MT/NOPB 功能描述:運(yùn)算放大器 - 運(yùn)放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比(最小值):63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流(最大值):10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
LMV824MTNOPB 制造商:TI 制造商全稱:Texas Instruments 功能描述:LMV821-N/LMV822-N/LMV822-N-Q1/LMV824/LMV824-N-Q1 Single/Dual/Quad Low Voltage
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LMV824MTX/E7000973 制造商:Texas Instruments 功能描述: