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INA188ID
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FabricanteTexas Instruments
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Peça do Fabricante #INA188ID
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Especificações
| Atributo | Valor |
| Package / Case | Bulk |
| Part Status | Active |
| Amplifier Type | Zero-Drift |
| Number of Circuits | 1 |
| Output Type | Rail-to-Rail |
| Slew Rate | 0.9V/µs |
| -3 dB Bandwidth | 600 kHz |
| Current - Input Bias | 850 pA |
| Voltage - Input Offset | 25 µV |
| Supply Current | 1.4mA |
| Voltage - Supply Span(Min) | 4 V |
| Voltage - Supply Span(Max) | 36 V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include an input voltage range that accommodates a wide variety of sensors, low input bias current, and common-mode rejection, ensuring accurate and stable outputs. The amplifier operates over a wide supply range, typically from ±2.25V to ±18V, supporting both unipolar and bipolar applications. The INA188ID is housed in an industry-standard SOIC-8 package, making it easy to integrate into various designs.
With its robust design and exceptional performance characteristics, the INA188ID is ideal for applications requiring precise, low-noise amplification of differential signals, especially where maintaining signal integrity is crucial across varying environmental conditions.
Equivalent
1. AD8421 from Analog Devices
2. MAX4466 from Maxim Integrated
3. LTC2053 from Analog Devices (formerly Linear Technology)
4. MCP6N11 from Microchip Technology
These alternatives offer similar functionalities such as low offset voltage, low drift, and high precision suitable for applications in sensor amplification and data acquisition systems. Always check the specific datasheets and performance parameters to ensure compatibility with your application.
Features
1. Low Offset Voltage: The amplifier boasts a very low offset voltage, typically around 25 µV, enhancing accuracy in measurements.
2. Low Noise: It features low noise performance, with a voltage noise density of 8 nV/√Hz, making it suitable for precision applications.
3. High Common-Mode Rejection Ratio (CMRR): The INA188ID offers a high CMRR, typically around 100 dB, which helps minimize interference from common-mode signals.
4. Wide Supply Range: It operates over a wide supply voltage range from ±2.25 V to ±18 V, which provides flexibility for various applications.
5. Rail-to-Rail Output: The amplifier has a rail-to-rail output capability, maximizing the dynamic range.
6. Gain Configurability: It allows for easy gain configuration through external resistors, providing design flexibility.
7. Low Input Bias Current: It features low input bias current, typically around 200 pA, which is beneficial in high-impedance sensor applications.
These features make the INA188ID suitable for precision data acquisition systems, medical instrumentation, and other applications requiring high accuracy and reliability.
Pinout
1. Pin 1 (REF): Reference voltage input. Sets the output voltage level when the input is zero.
2. Pin 2 (V-): Negative power supply.
3. Pin 3 (IN-): Inverting input of the amplifier.
4. Pin 4 (IN+): Non-inverting input of the amplifier.
5. Pin 5 (GND): Ground or common reference point.
6. Pin 6 (RG): Gain setting resistor. This pin is used to select the gain of the amplifier by connecting a resistor between this pin and ground.
7. Pin 7 (OUT): Output of the amplifier.
8. Pin 8 (V+): Positive power supply.
The INA188ID is used in applications requiring precise low-drift amplification, such as sensor signal conditioning and data acquisition systems.