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參數資料
| 型號： | LMC7111BIN |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | Tiny CMOS Operational Amplifier with Rail-to-Rail Input |
| 中文描述： | OP-AMP, 7000 uV OFFSET-MAX, 0.04 MHz BAND WIDTH, PDIP8 |
| 封裝： | 0.300 INCH, MDIP-8 |
| 文件頁數： | 13/18頁 |
| 文件大小： | 735K |
| 代理商： | LMC7111BIN |
Application Information
(Continued)
7.0 Reference Buffer for A-to-D Converters
The LMC7111 can be used as a voltage reference buffer for
analog-to-digital converters. This works best for A-to-D con-
verters whose reference input is a static load, such as dual
slope integrating A-to-Ds. Converters whose reference input
is a dynamic load (the reference current changes with time)
may need a faster device, such as the LMC7101 or the
LMC7131.
The small size of the LMC7111 allows it to be placed close to
the reference input. The low supply current (25 μA typical)
saves power.
For A-to-D reference inputs which require higher accuracy
and
lower
offset
voltage,
datasheet. The LMC6462 has performance similar to the
LMC7111. The LMC6462 is available in two grades with re-
duced input voltage offset.
please
see
the
LMC6462
8.0 Dual and Quad Devices with Similar Performance
The LMC6462 and LMC6464 are dual and quad devices with
performance similar to the LMC7111. They are available in
both conventional through-hole and surface mount packag-
ing. Please see the LMC6462/4 datasheet for details.
9.0 SPICE Macromodel
A SPICE macromodel is available for the LMC7111. This
model includes simulation of:
Input common-mode voltage range
Frequency and transient response
Quiescent and dynamic supply current
Output swing dependence on loading conditions and
many more characteristics as listed on the macro model
disk. Contact your local National Semiconductor sales of-
fice to obtain an operational amplifier spice model library
disk.
10.0 Additional SOT23-5 Tiny
Devices
National Semiconductor has additional parts available in the
space saving SOT23 Tiny package, including amplifiers,
voltage references, and voltage regulators. These devices
include—
LMC7101
1 MHz gain-bandwidth rail-to-rail input and out-
put amplifier— high input impedance and high
gain, 700 μAtypical current 2.7V, 3V, 5V and 15V
specifications.
LM7131
Tiny Video amp with 70 MHz gain bandwidth.
Specified at 3V, 5V and
±
5V supplies.
LMC7211
Comparator in a tiny package with rail-to-rail in-
put and push-pull output. Typical supply current
of 7 μA. Typical propagation delay of 7 μs. Speci-
fied at 2.7V, 5V and 15V supplies.
LMC7221
Comparator with an open drain output for use in
mixed voltage systems. Similar to the LMC7211,
DS012352-17
C
F
and R
isolation
prevent oscillations when driving capacitive loads.
FIGURE 4. Stable Negative Bias
DS012352-18
www.national.com
13
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| LMC7215IM5 | Micro-Power, Rail-to-Rail CMOS Comparators with Open-Drain/Push-Pull Outputs and TinyPak⑩ Package |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LMC7111BIN | 制造商:Texas Instruments 功能描述:IC OP AMP CMOS RRI/O 7111 DIP8 |
| LMC7211 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Tiny CMOS Comparator with Rail-to-Rail Input and Push-Pull Output |
| LMC7211AIM | 功能描述:校驗器 IC RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| LMC7211AIM/NOPB | 功能描述:校驗器 IC Tiny CMOS Comparator RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| LMC7211AIM/NOPB | 制造商:Texas Instruments 功能描述:Voltage Comparator IC |
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