參數(shù)資料
型號(hào)： TLV2264AIPWRG4
廠商： Texas Instruments
文件頁(yè)數(shù)： 33/64頁(yè)
文件大小： 0K
描述： IC OPAMP GP R-R 710KHZ 14TSSOP
標(biāo)準(zhǔn)包裝： 2,000
系列： LinCMOS™
放大器類(lèi)型： 通用
電路數(shù)： 4
輸出類(lèi)型： 滿擺幅
轉(zhuǎn)換速率： 0.55 V/µs
增益帶寬積： 710kHz
電流 - 輸入偏壓： 1pA
電壓 - 輸入偏移： 300µV
電流 - 電源： 800µA
電流 - 輸出 / 通道： 50mA
電壓 - 電源，單路/雙路(±)： 2.7 V ~ 8 V，±1.35 V ~ 4 V
工作溫度： -40°C ~ 125°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 14-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 14-TSSOP
包裝： 帶卷 (TR)
TLV226x, TLV226xA
Advanced LinCMOS RAILTORAIL
OPERATIONAL AMPLIFIERS
SLOS186C FEBRUARY 1997 REVISED AUGUST 2006
39
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
driving large capacitive loads
The TLV226x is designed to drive larger capacitive loads than most CMOS operational amplifiers. Figure 51
and Figure 52 illustrate its ability to drive loads greater than 400 pF while maintaining good gain and phase
margins (Rnull = 0).
A smaller series resistor (Rnull) at the output of the device (see Figure 61) improves the gain and phase margins
when driving large capacitive loads. Figure 51 and Figure 52 show the effects of adding series resistances of
10
, 20 , 50 , and 100 . The addition of this series resistor has two effects: the first is that it adds a zero
to the transfer function and the second is that it reduces the frequency of the pole associated with the output
load in the transfer function.
The zero introduced to the transfer function is equal to the series resistance times the load capacitance. To
calculate the improvement in phase margin, equation (1) can be used.
θ
m1 + tan
–1 2 ×π × UGBW × R
null ×
C
L
θ
m1 + improvement in phase margin
UGBW
+ unity-gain bandwidth frequency
R
null + output series resistance
C
L + load capacitance
(1)
Where :
The unity-gain bandwidth (UGBW) frequency decreases as the capacitive load increases (see Figure 53). To
use equation 1, UGBW must be approximated from Figure 53.
Using equation 1 alone overestimates the improvement in phase margin as illustrated in Figure 59. The
overestimation is caused by the decrease in the frequency of the pole associated with the load, providing
additional phase shift and reducing the overall improvement in phase margin. The pole associated with the load
is reduced by the factor calculated in equation 2.
F
+
1
) gm × R
null
F
+ factor reducing frequency of pole
gm + small-signal output transconductance (typically 4.83 × 10
–3 mhos)
R
null + output series resistance
(2)
Where :
For the TLV226x, the pole associated with the load is typically 7 MHz with 100-pF load capacitance. This value
varies inversely with CL: at CL = 10 pF, use 70 MHz, at CL = 1000 pF, use 700 kHz, and so on.
Reducing the pole associated with the load introduces phase shift, thereby reducing phase margin. This results
in an error in the increase in phase margin expected by considering the zero alone (equation 1). Equation 3
approximates the reduction in phase margin due to the movement of the pole associated with the load. The
result of this equation can be subtracted from the result of the equation 1 to better approximate the improvement
in phase margin.
相關(guān)PDF資料
PDF描述
P6KE16A TVS UNIDIR 600W 16V DO-15
TLV2264AIDRG4 IC OPAMP GP R-R 710KHZ 14SOIC
P6KE150A TVS UNIDIR 600W 150V DO-15
TLV2264AIDR IC OPAMP GP R-R 710KHZ 14SOIC
P6KE130A TVS UNIDIR 600W 130V DO-15
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLV2264AMFK 制造商:TI 制造商全稱:Texas Instruments 功能描述:Advanced LinCMOS RAIL-TO-RAIL OPERATIONAL AMPLIFIERS
TLV2264AMFKB 制造商:TI 制造商全稱:Texas Instruments 功能描述:Advanced LinCMOS RAIL-TO-RAIL OPERATIONAL AMPLIFIERS
TLV2264AMJ 制造商:TI 制造商全稱:Texas Instruments 功能描述:Advanced LinCMOS RAIL-TO-RAIL OPERATIONAL AMPLIFIERS
TLV2264AMJB 制造商:TI 制造商全稱:Texas Instruments 功能描述:Advanced LinCMOS RAIL-TO-RAIL OPERATIONAL AMPLIFIERS
TLV2264AMW 制造商:TI 制造商全稱:Texas Instruments 功能描述:Advanced LinCMOS RAIL-TO-RAIL OPERATIONAL AMPLIFIERS
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*