參數(shù)資料
型號(hào)： TLC274MFK
廠商： Texas Instruments, Inc.
英文描述： LinCMOSE PRECISION QUAD OPERATIONAL AMPLIFIERS
中文描述： LinCMOSE精密四運(yùn)算放大器
文件頁(yè)數(shù)： 32/42頁(yè)
文件大?。?/td> 668K
代理商： TLC274MFK
TLC274, TLC274A, TLC274B, TLC274Y, TLC279
LinCMOS
PRECISION QUAD OPERATIONAL AMPLIFIERS
SLOS092C – SEPTEMBER 1987 – REVISED MARCH 1998
32
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
output characteristics (continued)
–
+
2.5 V
VO
CL
–2.5 V
VI
(d) TEST CIRCUIT
TA = 25
°
C
f = 1 kHz
VIPP = 1 V
(a) CL = 20 pF, RL = NO LOAD
(b) CL = 130 pF, RL = NO LOAD
(c) CL = 150 pF, RL = NO LOAD
Figure 41. Effect of Capacitive Loads and Test Circuit
Although the TLC274 and TLC279 possess excellent high-level output voltage and current capability, methods
for boosting this capability are available, if needed. The simplest method involves the use of a pullup resistor
(R
P
) connected from the output to the positive supply rail (see Figure 42). There are two disadvantages to the
use of this circuit. First, the NMOS pulldown transistor N4 (see equivalent schematic) must sink a comparatively
large amount of current. In this circuit, N4 behaves like a linear resistor with an on-resistance between
approximately 60
and 180
, depending on how hard the op amp input is driven. With very low values of R
P
,
a voltage offset from 0 V at the output occurs. Second, pullup resistor R
P
acts as a drain load to N4 and the gain
of the operational amplifier is reduced at output voltage levels where N5 is not supplying the output current.
相關(guān)PDF資料
PDF描述
TLC274Y LinCMOSE PRECISION QUAD OPERATIONAL AMPLIFIERS
TLC279MD LinCMOSE PRECISION QUAD OPERATIONAL AMPLIFIERS
TLC279MFK LinCMOSE PRECISION QUAD OPERATIONAL AMPLIFIERS
TLC279MJ LinCMOSE PRECISION QUAD OPERATIONAL AMPLIFIERS
TLC279MN LinCMOSE PRECISION QUAD OPERATIONAL AMPLIFIERS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLC274MFKB 制造商:Rochester Electronics LLC 功能描述:- Bulk
TLC2772CPW 制造商:Texas Instruments 功能描述:
TLC277CD 功能描述:運(yùn)算放大器 - 運(yùn)放 LiNCMOS Dual 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
TLC277CDG4 功能描述:運(yùn)算放大器 - 運(yùn)放 Dual Precision Single Supply 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
TLC277CDR 功能描述:運(yùn)算放大器 - 運(yùn)放 Dual Precision Single Supply 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
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