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OPA2191IDR
+BOM-
제조업체텍사스 인스트루먼트(주)
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제조업체 부품 #OPA2191IDR
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재고5670
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사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| AmplifierType | CMOS |
| NumberofCircuits | 2 |
| OutputType | Rail-to-Rail |
| SlewRate | 7.5V/µs |
| GainBandwidthProduct | 2.5 MHz |
| Current-InputBias | 5 pA |
| Voltage-InputOffset | 5 µV |
| Current-Supply | 140µA (x2 Channels) |
| Current-Output/Channel | 65 mA |
| Voltage-SupplySpan(Min) | 4.5 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
개요
Description
With a typical offset voltage of just 5µV and a noise density of 7nV/√Hz, the OPA2191IDR is suitable for applications that require high accuracy and low noise, such as instrumentation, medical devices, and data acquisition systems. Its low power consumption and high open-loop gain further enhance its performance in precision tasks.
Packaged in a small outline with 8 pins, the OPA2191IDR is designed for standard surface-mount assembly, facilitating integration into compact circuit designs. Its robustness and reliability make it a favored choice among engineers looking for precision in analog signal processing.
Equivalent
Features
The amplifier operates within a wide supply voltage range of 4.5 V to 36 V, or ±2.25 V to ±18 V, allowing for versatility in different circuit designs. It boasts a low noise level, approximately 7 nV/√Hz at 1 kHz, ensuring clean signal amplification. With a gain bandwidth product of 10 MHz and a slew rate of 20 V/µs, it supports fast and precise operation.
The OPA2191IDR is unity-gain stable, which simplifies design processes by reducing the need for external compensation. It has rail-to-rail output, increasing dynamic range in single-supply applications. Additionally, its small form factor and wide operating temperature range of –40°C to 125°C make it suitable for various industrial and consumer electronics applications.
Pinout
1. Pin 1 (OUTA): Output of channel A.
2. Pin 2 (IN–A): Inverting input for channel A.
3. Pin 3 (IN+A): Non-inverting input for channel A.
4. Pin 4 (V–): Negative power supply (ground in single-supply operation).
5. Pin 5 (IN+B): Non-inverting input for channel B.
6. Pin 6 (IN–B): Inverting input for channel B.
7. Pin 7 (OUTB): Output of channel B.
8. Pin 8 (V+): Positive power supply.
The OPA2191 is known for its low offset voltage and low drift, making it suitable for precision applications. It's designed for general-purpose use in a wide range of applications due to its low noise, low input bias current, and wide supply range.
Manufacturer
Application
1. Industrial Instrumentation: For precise sensor signal conditioning and data acquisition systems.
2. Medical Equipment: In devices requiring accurate and stable measurements, such as ECGs and other monitoring systems.
3. Test and Measurement: In oscilloscopes and multimeters for accurate signal processing.
4. Consumer Electronics: Used in high-fidelity audio equipment for low-distortion amplification.
5. Automotive Systems: Applied in sensor interfaces and control systems requiring reliability and precision.
Its wide supply voltage range and low input bias current make it versatile for demanding applications.