參數(shù)資料
型號： TLC277MFK
廠商： Texas Instruments, Inc.
英文描述： LinCMOSE PRECISION DUAL OPERATIONAL AMPLIFIERS
中文描述： LinCMOSE精密雙運(yùn)算放大器
文件頁數(shù)： 31/36頁
文件大小： 588K
代理商： TLC277MFK
TLC272, TLC272A, TLC272B, TLC272Y, TLC277
LinCMOS
PRECISION DUAL OPERATIONAL AMPLIFIERS
SLOS091B – OCTOBER 1987 – REVISED AUGUST 1994
31
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
output characteristics (continued)
(c) CL = 150 pF, RL = NO LOAD
(b) CL = 130 pF, RL = NO LOAD
(a) CL = 20 pF, RL = NO LOAD
VI
–2.5 V
CL
VO
2.5 V
–
+
TA = 25
°
C
f = 1 kHz
VIPP = 1 V
(d) TEST CIRCUIT
Figure 41. Effect of Capacitive Loads and Test Circuit
Although the TLC272 and TLC277 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 operational amplifier 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
TLC277MP LinCMOSE PRECISION DUAL OPERATIONAL AMPLIFIERS
TLC272MD LinCMOSE PRECISION DUAL OPERATIONAL AMPLIFIERS
TLC272MFK LinCMOSE PRECISION DUAL OPERATIONAL AMPLIFIERS
TLC272MP LinCMOSE PRECISION DUAL OPERATIONAL AMPLIFIERS
TLC272Y LinCMOSE PRECISION DUAL OPERATIONAL AMPLIFIERS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLC277MLB 制造商:Rochester Electronics LLC 功能描述:- Bulk
TLC279CD 功能描述:運(yùn)算放大器 - 運(yùn)放 LiNCMOS High Bias 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
TLC279CDB 制造商:Texas Instruments 功能描述:OP Amp Quad GP 16V 14-Pin SSOP
TLC279CDBR 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad 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
TLC279CDBRG4 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad 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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