參數(shù)資料
型號： TLC27M7MD
廠商： Texas Instruments, Inc.
英文描述： LinCMOSE PRECISION DUAL OPERATIONAL AMPLIFIERS
中文描述： LinCMOSE精密雙運算放大器
文件頁數(shù)： 29/34頁
文件大小： 509K
代理商： TLC27M7MD
TLC27M2, TLC27M2A, TLC27M2B, TLC27M7
LinCMOS
PRECISION DUAL OPERATIONAL AMPLIFIERS
SLOS051C – OCTOBER 1987 – REVISED MAY 1999
29
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
–
+
2.5 V
VO
CL
–2.5 V
VI
(a) CL = 20 pF, RL = NO LOAD
(b) CL = 170 pF, RL = NO LOAD
(c) CL = 190 pF, RL = NO LOAD
(d) TEST CIRCUIT
TA = 25
°
C
f = 1 kHz
VI(PP) = 1 V
Figure 41. Effect of Capacitive Loads and Test Circuit
output characteristics (continued)
Although the TLC27M2 and TLC27M7 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.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLC27M7MJGB 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
TLC27M7MUB 制造商:Texas Instruments 功能描述:
TLC27M9CD 功能描述:運算放大器 - 運放 LiNCMOS Med 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
TLC27M9CDG4 功能描述:運算放大器 - 運放 Quad Precision Lo-Pwr 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
TLC27M9CDR 功能描述:運算放大器 - 運放 Quad Precision Lo-Pwr 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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