A Comprehensive Guide to OP270GN8#PBF Operational Amplifier
Linear Technology/Analog Devices
15nA 100 dB Instrumentational OP Amps ±4.5V~18V OP270 8 Pins 8-DIP (0.300, 7.62mm)









15nA 100 dB Instrumentational OP Amps ±4.5V~18V OP270 8 Pins 8-DIP (0.300, 7.62mm)
This article provides an in-depth analysis of the OP270GN8#PBF operational amplifier, including its description, features, applications, reference designs, alternative parts, and FAQs.
Product Introduction
Description:
The OP270GN8#PBF is a dual operational amplifier from Linear Technology/Analog Devices designed for general-purpose applications. It features low input offset voltage, high gain bandwidth product, and excellent common-mode rejection ratio, making it suitable for a wide range of precision analog circuit designs.
Features:
- Low input offset voltage (50μV)
- High gain bandwidth product (6MHz)
- Dual operational amplifier configuration
- Wide operating voltage range (±4.5V to ±18V)
- High common-mode rejection ratio (100dB)
- Low input bias current (15nA)
- RoHS compliant and lead-free package
Applications:
Primary Applications:
1. Precision instrumentation amplifiers
2. Active filters
3. Data acquisition systems
4. Signal conditioning circuits
Secondary Applications:
1. Audio amplifiers
2. Voltage regulators
3. Oscillator circuits
4. Transducer interfacing circuits
Applicable Specific Modules:
1. Sensor signal conditioning modules
2. Voltage reference circuits
3. Active filter modules
Reference Designs:
1. Precision weighing scale amplifier
2. Temperature measurement system
3. Strain gauge signal conditioner
4. Low-pass filter for audio applications
Alternative Parts:
1. OP275
2. OP282
3. OP490
4. AD8628
5. LT1490
FAQs:
Q1: What is the operating temperature range of the OP270GN8#PBF?
A1: The OP270GN8#PBF has an operating temperature range of -40°C to 85°C, making it suitable for a wide range of environmental conditions.
Q2: What is the power supply rejection ratio (PSRR) of the OP270GN8#PBF?
A2: The OP270GN8#PBF has a high PSRR of 116dB, ensuring excellent rejection of power supply noise.
Q3: Can the OP270GN8#PBF be used in single-supply applications?
A3: Yes, the OP270GN8#PBF can operate on a single supply voltage within the range of +4.5V to +18V, making it suitable for both single and dual supply applications.
In conclusion, the OP270GN8#PBF operational amplifier offers high precision and versatility for a variety of analog circuit designs. Its low offset voltage, high gain bandwidth product, and dual configuration make it a reliable choice for applications requiring high accuracy and performance.
Specifications
- TypeParameter
- Factory Lead Time8 Weeks
- Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
8-DIP (0.300, 7.62mm) - Mounting Type
The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.
Through Hole - Mount
In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.
Through Hole - Number of Pins8
- Published2006
- Packaging
Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.
Tube - Operating Temperature
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
-40°C~85°C - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Active - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
1 (Unlimited) - Base Part Number
The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.
OP270 - Pin Count
a count of all of the component leads (or pins)
8 - Number of Circuits2
- Operating Supply Current
Operating Supply Current, also known as supply current or quiescent current, is a crucial parameter in electronic components that indicates the amount of current required for the device to operate under normal conditions. It represents the current drawn by the component from the power supply while it is functioning. This parameter is important for determining the power consumption of the component and is typically specified in datasheets to help designers calculate the overall power requirements of their circuits. Understanding the operating supply current is essential for ensuring proper functionality and efficiency of electronic systems.
4mA - Quiescent Current
The quiescent current is defined as the current level in the amplifier when it is producing an output of zero.
3.25mA - Slew Rate
the maximum rate of output voltage change per unit time.
3V/μs - Amplifier Type
Amplifier Type refers to the classification or categorization of amplifiers based on their design, functionality, and characteristics. Amplifiers are electronic devices that increase the amplitude of a signal, such as voltage or current. The type of amplifier determines its specific application, performance capabilities, and operating characteristics. Common types of amplifiers include operational amplifiers (op-amps), power amplifiers, audio amplifiers, and radio frequency (RF) amplifiers. Understanding the amplifier type is crucial for selecting the right component for a particular circuit or system design.
General Purpose - Common Mode Rejection Ratio
Common Mode Rejection Ratio (CMRR) is a measure of the ability of a differential amplifier to reject input signals that are common to both input terminals. It is defined as the ratio of the differential gain to the common mode gain. A high CMRR indicates that the amplifier can effectively eliminate noise and interference that affects both inputs simultaneously, enhancing the fidelity of the amplified signal. CMRR is typically expressed in decibels (dB), with higher values representing better performance in rejecting common mode signals.
100 dB - Current - Input Bias
The parameter "Current - Input Bias" in electronic components refers to the amount of current required at the input terminal of a device to maintain proper operation. It is a crucial specification as it determines the minimum input current needed for the component to function correctly. Input bias current can affect the performance and accuracy of the device, especially in precision applications where small signal levels are involved. It is typically specified in datasheets for operational amplifiers, transistors, and other semiconductor devices to provide users with important information for circuit design and analysis.
15nA - Voltage - Supply, Single/Dual (±)
The parameter "Voltage - Supply, Single/Dual (±)" in electronic components refers to the power supply voltage required for the proper operation of the component. This parameter indicates whether the component requires a single power supply voltage (e.g., 5V) or a dual power supply voltage (e.g., ±15V). For components that require a single power supply voltage, only one voltage level is needed for operation. On the other hand, components that require a dual power supply voltage need both positive and negative voltage levels to function correctly.Understanding the voltage supply requirements of electronic components is crucial for designing and integrating them into circuits to ensure proper functionality and prevent damage due to incorrect voltage levels.
±4.5V~18V - Input Offset Voltage (Vos)
Input Offset Voltage (Vos) is a key parameter in electronic components, particularly in operational amplifiers. It refers to the voltage difference that must be applied between the two input terminals of the amplifier to nullify the output voltage when the input terminals are shorted together. In simpler terms, it represents the voltage required to bring the output of the amplifier to zero when there is no input signal present. Vos is an important parameter as it can introduce errors in the output signal of the amplifier, especially in precision applications where accuracy is crucial. Minimizing Vos is essential to ensure the amplifier operates with high precision and accuracy.
50μV - Gain Bandwidth Product
The gain–bandwidth product (designated as GBWP, GBW, GBP, or GB) for an amplifier is the product of the amplifier's bandwidth and the gain at which the bandwidth is measured.
6MHz - Voltage Gain
Voltage gain is a measure of how much an electronic component or circuit amplifies an input voltage signal to produce an output voltage signal. It is typically expressed as a ratio or in decibels (dB). A higher voltage gain indicates a greater amplification of the input signal. Voltage gain is an important parameter in amplifiers, where it determines the level of amplification provided by the circuit. It is calculated by dividing the output voltage by the input voltage and is a key factor in determining the overall performance and functionality of electronic devices.
126.02dB - Power Supply Rejection Ratio (PSRR)
Power Supply Rejection Ratio (PSRR) is a measure of how well an electronic component, such as an operational amplifier or voltage regulator, can reject changes in its supply voltage. It indicates the ability of the component to maintain a stable output voltage despite fluctuations in the input supply voltage. A higher PSRR value signifies better performance in rejecting noise and variations from the power supply, leading to improved signal integrity and more reliable operation in electronic circuits. PSRR is typically expressed in decibels (dB).
116dB - Input Capacitance
The capacitance between the input terminals of an op amp with either input grounded. It is expressed in units of farads.
3pF - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
ROHS3 Compliant - Lead Free
Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.
Lead Free
Parts with Similar Specs
- ImagePart NumberManufacturerPackage / CaseNumber of PinsNumber of CircuitsSlew RateGain Bandwidth ProductInput Offset Voltage (Vos)Power Supply Rejection Ratio (PSRR)Common Mode Rejection RatioView Compare
OP270GN8#PBF
8-DIP (0.300, 7.62mm)
8
2
3V/μs
6MHz
50 μV
116 dB
100 dB
8-DIP (0.300, 7.62mm)
8
-
11V/μs
-
20 μV
110 dB
106 dB
8-DIP (0.300, 7.62mm)
8
-
50V/μs
-
125 μV
93 dB
86 dB
DIP
8
-
9 V/μs
4.5 MHz
2 mV
-
90 dB
8-DIP (0.300, 7.62mm)
8
2
12V/μs
-
75 μV
93 dB
90 dB
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Linear Technology/Analog Devices
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