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Part Number: LMC6684
Description: The LMC6681/2/4 is a high performance operational amplifier which can operate over a wide range of sup...
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LMC6684
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DataSheet
General Description
LMC6684 General Description
The LMC6681/2/4 is a high performance operational amplifier which can operate over a wide range of supply voltages, with guaranteed specifications at 1.8V, 2.2V, 3V, 5V, and 10V.
The LMC6681/2/4 provides an input common-mode voltage range that exceeds both supplies. The rail-to-rail output swing of the amplifier assures maximum dynamic signal range. This rail-to-rail performance of the amplifier, combined with its high open-loop voltage gain makes it unique among CMOS rail-to-rail amplifiers. The LMC6681/2/4 is an excellent choice for circuits where the common-mode voltage range is a concern.
The LMC6681/2/4 has a powerdown mode which can be controlled externally. In this powerdown mode, the supply current decreases from 700 A per amplifier to less than 1A per amplifier. The LMC6684 has two powerdown options.Each of the powerdown pins disables two amplifiers.
The LMC6681/2/4 has been designed specifically to improve system performance in low voltage applications. The amplifier's 80 fA input current, 0.5 mV offset voltage, and 82 dB CMRR maintain accuracy in battery-powered systems.
LMC6684 Maximum Ratings
ESD Tolerance (Note 2) ..............................................2 kV
Differential Input Voltage .......................±Supply Voltage
Voltage at Input/Output Pin .........(V+) +0.3V, (V−) −0.3V
Supply Voltage (V+ − V−) ...........................................12V
Current at Input Pin (Note 11) ..............................±5 mA
Current at Output Pin (Note 3)............................ ±30 mA
Current at Power Supply Pin ...................................35 mA
Lead Temp. (soldering, 10 sec.) ............................260°C
Storage Temperature Range.............. −65°C to +150°C
Junction Temperature (Note 4) ..............................150°C
Differential Input Voltage .......................±Supply Voltage
Voltage at Input/Output Pin .........(V+) +0.3V, (V−) −0.3V
Supply Voltage (V+ − V−) ...........................................12V
Current at Input Pin (Note 11) ..............................±5 mA
Current at Output Pin (Note 3)............................ ±30 mA
Current at Power Supply Pin ...................................35 mA
Lead Temp. (soldering, 10 sec.) ............................260°C
Storage Temperature Range.............. −65°C to +150°C
Junction Temperature (Note 4) ..............................150°C
LMC6684 Features
Guaranteed Specs at 1.8V, 2.2V, 3V, 5V, 10V
Rail-to-Rail Input Common-Mode Voltage Range
Rail-to-Rail Output Swing (within 10 mV of supply rail, @ VS=3V and RL=10 kW)
Powerdown Mode IS OFF £ 1.5 A/Amplifier (Guaranteed at VS = 1.8V, 2.2V, 3V, and 5V)
Ultra Low Input Current 80 fA
High Voltage Gain (VS = 3V, RL = 10 k): 120 dB
Unity Gain Bandwidth 1.2 MHz
Rail-to-Rail Input Common-Mode Voltage Range
Rail-to-Rail Output Swing (within 10 mV of supply rail, @ VS=3V and RL=10 kW)
Powerdown Mode IS OFF £ 1.5 A/Amplifier (Guaranteed at VS = 1.8V, 2.2V, 3V, and 5V)
Ultra Low Input Current 80 fA
High Voltage Gain (VS = 3V, RL = 10 k): 120 dB
Unity Gain Bandwidth 1.2 MHz
LMC6684 Typical Application
Battery Operated Circuits
Sensor Amplifiers
Portable Communication Devices
Medical Instrumentation
Battery Monitoring Circuits
Level Detectors, Sample-and-Hold Circuits
Sensor Amplifiers
Portable Communication Devices
Medical Instrumentation
Battery Monitoring Circuits
Level Detectors, Sample-and-Hold Circuits
LMC6684 Connection Diagram
LMC6684
PDF/DataSheet Download
- Datasheet: LMC6684
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- ·LMC1608TP-10NG
- ABCO [ABCO ELECTRONICS CO.LTD]
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- ·LMC1608TP-10NJ
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- ·LMC1608TP-11NG
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- ·LMC1608TP-11NJ
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- ·LMC1608TP-12NG
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- ·LMC1608TP-12NJ
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- ·LMC1608TP-15NG
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- ·LMC1608TP-15NJ
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LMC6681
The LMC6681/2/4 is a high performance operational amplifier which can operate over a wide range of supply voltages, with guaranteed specifications at 1.8V, 2.2V, 3V, 5V, and 10V.The LMC6681/2/4 provides an input common-mode voltage range that exceeds both su...
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