參數(shù)資料
型號: LMV824MX/NOPB
廠商: National Semiconductor
文件頁數(shù): 7/38頁
文件大?。?/td> 0K
描述: IC OP AMP RRO 5MHZ 14-SOIC
標準包裝: 2,500
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: 帶卷 (TR)
其它名稱: *LMV824MX
*LMV824MX/NOPB
LMV824MX
LMV824MX-ND
LMV824MX/NOPBTR
SNOS032G – AUGUST 1999 – REVISED NOVEMBER 2013
Figure 33. Unity-Gain Frequency vs Common Mode Voltage for Various Loads
UNITY GAIN PULSE RESPONSE CONSIDERATION
A pull-up resistor is well suited for increasing unity-gain, pulse response stability. For example, a 600
pull-up
resistor reduces the overshoot voltage by about 50%, when driving a 220 pF load. Figure 34 shows how to
implement the pull-up resistor for more pulse response stability.
Figure 34. Using a Pull-up Resistor at the Output for Stabilizing Capacitive Loads
Higher capacitances can be driven by decreasing the value of the pull-up resistor, but its value shouldn't be
reduced beyond the sinking capability of the part. An alternate approach is to use an isolation resistor as
illustrated in Figure 35 .
Figure 36 shows the resulting pulse response from a LMV824, while driving a 10,000 pF load through a 20
isolation resistor.
Figure 35. Using an Isolation Resistor to Drive Heavy Capacitive Loads
Copyright 1999–2013, Texas Instruments Incorporated
15
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