Allicdata Part #: | LM611IM/NOPB-ND |
Manufacturer Part#: |
LM611IM/NOPB |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC OPAMP GP 800KHZ 14SOIC |
More Detail: | General Purpose Amplifier 1 Circuit 14-SOIC |
DataSheet: | LM611IM/NOPB Datasheet/PDF |
Quantity: | 1000 |
Voltage - Input Offset: | 1.5mV |
Base Part Number: | LM611 |
Supplier Device Package: | 14-SOIC |
Package / Case: | 14-SOIC (0.154", 3.90mm Width) |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 85°C |
Voltage - Supply, Single/Dual (±): | 4 V ~ 36 V, ±2 V ~ 18 V |
Current - Output / Channel: | 25mA |
Current - Supply: | 210µA |
Series: | Super-Block™ |
Current - Input Bias: | 25nA |
Gain Bandwidth Product: | 800kHz |
Slew Rate: | 0.7 V/µs |
Output Type: | -- |
Number of Circuits: | 1 |
Amplifier Type: | General Purpose |
Part Status: | Last Time Buy |
Packaging: | Tube |
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LM611IM/NOPB Application Field and Working Principle
Introduction
The LM611IM/NOPB is a precision, monolithic, single-supply, offset-voltage correction amplifier. It is a versatile, general-purpose instrumentation amplifier (IA) that has been designed to provide low cost, low offset voltage, low input bias current and low power consumption. It is ideal for applications requiring maximum accuracy, such as medical instrumentation, process control, electrochemical analysis, general laboratory equipment and test & measurement.
Application Fields
The LM611IM/NOPB is commonly used in medical instrumentation and process control, electrochemical analysis, general laboratory equipment and test & measurement. The IA offers excellent accuracy in a wide variety of applications, including temperature, strain, electrical measurement, acoustic detection, and optical detection. The low input bias current of the IA makes it well suited for Wheatstone bridge configurations and for use in high-resistance voltage sensing applications.
The dual offset voltage error correction feature makes it suitable for use in applications where very low offset is desired. Other applications such as EEG measurement, ECG measurement, blood pressure monitor, and pH/ORP control are well suited for using the LM611IM/NOPB. Another major application where the LM611IM/NOPB is most suitable is electrochemistry. Here, the IA is commonly used be used to measure the potential difference across two electrodes which helps in the analysis of the electrochemical processes.
Working Principle
The LM611IM/NOPB is a monolithic, single-supply, IA. It operates over a wide supply voltage range and has a low input bias current of 50pA. It has three terminals: +IN, -IN, and OUT. The +IN and -IN terminals are connected to two instrumentation amplifiers, while the OUT terminal is connected to the output of the amplifier. The two amplifiers are designed to have exactly the same gain. Thus, when the difference in inputs is amplified, the resulting output is a differential signal, which is then output from the OUT terminal.
The LM611IM/NOPB has an offset voltage error correction feature that enables it to compensate for the input offset voltage variance caused by the temperature and supply voltage fluctuations. The offset voltage is generated by the amplifier itself and controlled by the bias current. To ensure high accuracy, the offset voltage must be kept to a minimum. The LM611IM/NOPB utilizes a low consumption active bias current technique to ensure minimal offset voltage. It is also designed to systematically track and modify its bias current to compensate for various input voltage and temperature fluctuations.
Conclusion
The LM611IM/NOPB is an ideal choice for instrumentation, low power consumption, and accuracy applications. It is capable of compensating for temperature and supply voltage fluctuations and offers a low input bias current of 50pA. The offset voltage error correction feature helps ensure high accuracy even when the input voltages are low. The IA is commonly applied in medical instrumentation and process control, electrochemical analysis, general laboratory equipment and test & measurement.
The specific data is subject to PDF, and the above content is for reference
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