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參數(shù)資料
| 型號： | TLV2334ID |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | LinCMOSE LOW-VOLTAGE MEDIUM-POWER OPERATIONAL AMPLIFIERS |
| 中文描述： | LinCMOSE低壓中等功率運(yùn)算放大器 |
| 文件頁數(shù)： | 25/33頁 |
| 文件大?。?/td> | 500K |
| 代理商： | TLV2334ID |
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TLV2332, TLV2332Y, TLV2334, TLV2334Y
LinCMOS
LOW-VOLTAGE MEDIUM-POWER
OPERATIONAL AMPLIFIERS
SLOS189 – FEBRUARY 1997
25
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
single-supply operation (continued)
The TLE2426 supplies an accurate voltage equal to V
DD
/2, while consuming very little power and is suitable
for supply voltages of greater than 4 V. The TLV233x works well in conjunction with digital logic; however, when
powering both linear devices and digital logic from the same power supply, the following precautions are
recommended:
Power the linear devices from separate bypassed supply lines (see Figure 40); otherwise, the linear
device supply rails can fluctuate due to voltage drops caused by high switching currents in the digital
logic.
Use proper bypass techniques to reduce the probability of noise-induced errors. Single capacitive
decoupling is often adequate; however, RC decoupling may be necessary in high-frequency
applications.
–
+
Logic
Logic
Logic
Power
Supply
–
+
Logic
Logic
Logic
Power
Supply
(a) COMMON-SUPPLY RAILS
(b) SEPARATE-BYPASSED SUPPLY RAILS (preferred)
Figure 40. Common Versus Separate Supply Rails
input characteristics
The TLV233x is specified with a minimum and a maximum input voltage that, if exceeded at either input, could
cause the device to malfunction. Exceeding this specified range is a common problem, especially in
single-supply operation. The lower the range limit includes the negative rail, while the upper range limit is
specified at V
DD
– 1 V at T
A
= 25
°
C and at V
DD
– 1.2 V at all other temperatures.
The use of the polysilicon-gate process and the careful input circuit design gives the TLV233x very good input
offset voltage drift characteristics relative to conventional metal-gate processes. Offset voltage drift in CMOS
devices is highly influenced by threshold voltage shifts caused by polarization of the phosphorus dopant
implanted in the oxide. Placing the phosphorus dopant in a conductor (such as a polysilicon gate) alleviates the
polarization problem, thus reducing threshold voltage shifts by more than an order of magnitude. The offset
voltage drift with time has been calculated to be typically 0.1
μ
V/month, including the first month of operation.
Because of the extremely high input impedance and resulting low bias-current requirements, the TLV233x is
well suited for low-level signal processing; however, leakage currents on printed-circuit boards and sockets can
easily exceed bias-current requirements and cause a degradation in device performance.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TLV2332Y | LinCMOSE LOW-VOLTAGE MEDIUM-POWER OPERATIONAL AMPLIFIERS |
| TLV2334Y | LinCMOSE LOW-VOLTAGE MEDIUM-POWER OPERATIONAL AMPLIFIERS |
| TLV2422AMFK | Advanced LinCMOSE RAIL-TO-RAIL OUTPUT WIDE-INPUT-VOLTAGE MICROPOWER DUAL OPERATIONAL AMPLIFIERS |
| TLV2422AMJG | Advanced LinCMOSE RAIL-TO-RAIL OUTPUT WIDE-INPUT-VOLTAGE MICROPOWER DUAL OPERATIONAL AMPLIFIERS |
| TLV2422AMU | Advanced LinCMOSE RAIL-TO-RAIL OUTPUT WIDE-INPUT-VOLTAGE MICROPOWER DUAL OPERATIONAL AMPLIFIERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLV2334IDG4 | 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad Lo-Vltg Lo-Pwr Op Amp 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 |
| TLV2334IDR | 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad Lo-Vltg Lo-Pwr Op Amp 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 |
| TLV2334IDRG4 | 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad Lo-Vltg Lo-Pwr Op Amp 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 |
| TLV2334IN | 功能描述:運(yùn)算放大器 - 運(yùn)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(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 |
| TLV2334INE4 | 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad Lo-Vltg Lo-Pwr Op Amp 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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