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規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| AmplifierType | Zero-Drift |
| NumberofCircuits | 2 |
| OutputType | Rail-to-Rail |
| SlewRate | 0.8V/µs |
| GainBandwidthProduct | 2 MHz |
| Current-InputBias | 160 pA |
| Voltage-InputOffset | 6 µV |
| Current-Supply | 415µA (x2 Channels) |
| Current-Output/Channel | 18 mA |
| Voltage-SupplySpan(Min) | 4 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -40°C ~ 105°C |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
概述
Description
The OPA2188AIDGKR is a precision operational amplifier (op-amp) from Texas Instruments. It is part of the OPA2188 series known for its ultra-low offset voltage and low drift, making it suitable for high-precision applications. This op-amp operates with a wide supply voltage range, typically from ±2.25V to ±18V, and offers a low input bias current, enhancing its performance in various analog circuits.
Key features include a very low input offset voltage (as low as 25µV), low noise, and excellent linearity. It also provides rail-to-rail output swing, which is beneficial in maximizing dynamic range in single-supply applications. The OPA2188AIDGKR features a small form factor, typically offered in a dual, 8-pin VSSOP (DGK) package, making it suitable for space-constrained applications.
Overall, this op-amp is ideal for applications such as precision instrumentation, sensor signal conditioning, and active filters, where high accuracy and stability are crucial. Its robust performance and versatility make it a popular choice for engineers designing high-precision analog systems.
Key features include a very low input offset voltage (as low as 25µV), low noise, and excellent linearity. It also provides rail-to-rail output swing, which is beneficial in maximizing dynamic range in single-supply applications. The OPA2188AIDGKR features a small form factor, typically offered in a dual, 8-pin VSSOP (DGK) package, making it suitable for space-constrained applications.
Overall, this op-amp is ideal for applications such as precision instrumentation, sensor signal conditioning, and active filters, where high accuracy and stability are crucial. Its robust performance and versatility make it a popular choice for engineers designing high-precision analog systems.
Equivalent
The OPA2188AIDGKR is a precision operational amplifier by Texas Instruments. Equivalent products can include:
1. Analog Devices ADA4528-2: Ultra-low noise, zero-drift op-amp.
2. Maxim Integrated MAX44253: Low-noise, zero-drift operational amplifier.
3. Linear Technology (Analog Devices) LTC2057: Precision zero-drift op-amp.
4. Microchip Technology MCP6V71: Low-drift operational amplifier.
When selecting a replacement, ensure compatibility in terms of specifications like voltage range, bandwidth, and package type.
1. Analog Devices ADA4528-2: Ultra-low noise, zero-drift op-amp.
2. Maxim Integrated MAX44253: Low-noise, zero-drift operational amplifier.
3. Linear Technology (Analog Devices) LTC2057: Precision zero-drift op-amp.
4. Microchip Technology MCP6V71: Low-drift operational amplifier.
When selecting a replacement, ensure compatibility in terms of specifications like voltage range, bandwidth, and package type.
Features
The OPA2188AIDGKR is a precision operational amplifier from Texas Instruments. Key features include:
1. Low Offset Voltage: Offers an ultra-low offset voltage of 25 µV, ensuring high accuracy for precision applications.
2. Low Drift: Features a very low offset voltage drift of 0.085 µV/°C, which helps maintain performance over temperature variations.
3. Low Noise: Exhibits low voltage noise of 8 nV/√Hz, beneficial for applications requiring low noise performance.
4. Rail-to-Rail Output: Provides rail-to-rail output swing, enhancing dynamic range and performance.
5. Wide Supply Range: Operates with a supply voltage range from 4.5 V to 36 V, making it versatile for different applications.
6. Low Quiescent Current: Consumes low quiescent current, typically 475 µA per channel, suitable for power-sensitive applications.
7. High CMRR and PSRR: Offers high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR), contributing to its precision.
8. Temperature Range: Supports an extended temperature range from −40°C to 125°C, suitable for industrial environments.
These features make the OPA2188AIDGKR ideal for precision instrumentation, data acquisition systems, and sensor interfaces.
1. Low Offset Voltage: Offers an ultra-low offset voltage of 25 µV, ensuring high accuracy for precision applications.
2. Low Drift: Features a very low offset voltage drift of 0.085 µV/°C, which helps maintain performance over temperature variations.
3. Low Noise: Exhibits low voltage noise of 8 nV/√Hz, beneficial for applications requiring low noise performance.
4. Rail-to-Rail Output: Provides rail-to-rail output swing, enhancing dynamic range and performance.
5. Wide Supply Range: Operates with a supply voltage range from 4.5 V to 36 V, making it versatile for different applications.
6. Low Quiescent Current: Consumes low quiescent current, typically 475 µA per channel, suitable for power-sensitive applications.
7. High CMRR and PSRR: Offers high common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR), contributing to its precision.
8. Temperature Range: Supports an extended temperature range from −40°C to 125°C, suitable for industrial environments.
These features make the OPA2188AIDGKR ideal for precision instrumentation, data acquisition systems, and sensor interfaces.
Pinout
The OPA2188AIDGKR is a precision operational amplifier from Texas Instruments. It comes in a VSSOP (DGK) package with 8 pins. The pin functions are as follows:
1. OUT1: Output of channel 1.
2. -IN1: Inverting input of channel 1.
3. +IN1: Non-inverting input of channel 1.
4. V-: Negative supply voltage (ground in single-supply configurations).
5. +IN2: Non-inverting input of channel 2.
6. -IN2: Inverting input of channel 2.
7. OUT2: Output of channel 2.
8. V+: Positive supply voltage.
This dual-channel op-amp is known for its low offset voltage and low drift, making it suitable for high-precision applications.
1. OUT1: Output of channel 1.
2. -IN1: Inverting input of channel 1.
3. +IN1: Non-inverting input of channel 1.
4. V-: Negative supply voltage (ground in single-supply configurations).
5. +IN2: Non-inverting input of channel 2.
6. -IN2: Inverting input of channel 2.
7. OUT2: Output of channel 2.
8. V+: Positive supply voltage.
This dual-channel op-amp is known for its low offset voltage and low drift, making it suitable for high-precision applications.
Manufacturer
The manufacturer of the OPA2188AIDGKR is Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components. It specializes in the production of analog and embedded processing chips, which are used in various applications across different industries, including automotive, industrial, personal electronics, and communications equipment. TI is known for its innovation in the semiconductor industry and has a significant role in providing components that enable the functionality of modern electronic devices.
Application
The OPA2188AIDGKR is a precision operational amplifier known for its low noise and high precision. It is commonly used in various applications, including:
1. Instrumentation Amplifiers: For accurate signal amplification in medical and industrial devices.
2. Data Acquisition Systems: Ensures precision in converting analog signals to digital.
3. Temperature Sensors: Enhances the accuracy and reliability of sensor outputs.
4. Weigh Scales: Provides precise measurement capabilities.
5. Process Control Systems: Used in precision control loops and monitoring.
6. Test Equipment: For high accuracy testing and measurements.
7. Transducer Applications: Ensures signal integrity from sensors to processors.
These areas benefit from its high precision, low noise, and stability.
1. Instrumentation Amplifiers: For accurate signal amplification in medical and industrial devices.
2. Data Acquisition Systems: Ensures precision in converting analog signals to digital.
3. Temperature Sensors: Enhances the accuracy and reliability of sensor outputs.
4. Weigh Scales: Provides precise measurement capabilities.
5. Process Control Systems: Used in precision control loops and monitoring.
6. Test Equipment: For high accuracy testing and measurements.
7. Transducer Applications: Ensures signal integrity from sensors to processors.
These areas benefit from its high precision, low noise, and stability.
Package
The OPA2188AIDGKR is a precision operational amplifier from Texas Instruments, provided in an 8-pin VSSOP (DGK) package. The VSSOP package is a small-outline integrated circuit package, known for its compact size, making it suitable for space-constrained applications.
