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OPA111BM
+BOMIC INST AMP 1 CIRCUIT TO99-8
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ManufacturerTexas Instruments
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Mfr. Part #OPA111BM
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In Stock5860
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Specifications
| Attribute | Value |
| Series | Difet® |
| Part Status | Obsolete |
| Amplifier Type | Standard (General Purpose) |
| Number of Circuits | 1 |
| Slew Rate | 2V/µs |
| Gain Bandwidth Product | 2 MHz |
| Current - Input Bias | 0.5 pA |
| Voltage - Input Offset | 50 µV |
| Supply Current | 2.5mA |
| Current - Output / Channel | 10 mA |
| Voltage - Supply Span (Min) | 10 V |
| Voltage - Supply Span (Max) | 36 V |
| Operating Temperature | -25°C ~ 85°C |
| Mounting Type | Through Hole |
| Package / Case | TO-99-8 Metal Can |
| Supplier Device Package | TO-99-8 |
| Base Product Number | OPA111 |
Overview
Description
The OPA111BM is particularly valued in applications such as instrumentation, data acquisition, and audio processing due to its exceptional linearity and low distortion. It has a bandwidth of approximately 1 MHz and a slew rate of 0.3 V/µs, providing adequate response for many applications. The device is housed in an 8-lead metal can package, enhancing thermal performance and noise immunity.
Overall, the OPA111BM is ideal for applications that require precision and reliability, making it a popular choice among engineers and designers in the fields of electronics and instrumentation.
Equivalent
Features
1. Low Offset Voltage: Typically 0.1 mV, ensuring accurate signal amplification.
2. Low Noise: Voltage noise density of 3 nV/√Hz at 1 kHz, suitable for low-level signal applications.
3. Wide Bandwidth: Gain-bandwidth product of 10 MHz, enabling high-speed signal processing.
4. High Slew Rate: 13 V/µs, which allows fast response to changing input signals.
5. Low Input Bias Current: Typically 10 pA, making it effective in high-impedance applications.
6. Rail-to-Rail Output: Provides maximum output swing close to the supply rails for enhanced dynamic range.
7. Single Supply Operation: Operates with a supply voltage from 5 V to 36 V (dual supply from ±2.5 V to ±18 V).
8. Applications: Ideal for instrumentation, data acquisition systems, and precision signal processing.
These features make the OPA111BM a popular choice for high-precision applications in various fields.
Pinout
1. Pin 1 (Offset Null): Used for offset voltage adjustment.
2. Pin 2 (Inverting Input): Inputs the negative signal for the operational amplifier.
3. Pin 3 (Non-Inverting Input): Inputs the positive signal for the operational amplifier.
4. Pin 4 (V- or Negative Supply): Connects to the negative power supply voltage.
5. Pin 5 (Offset Null): Used for offset voltage adjustment (duplicate of Pin 1).
6. Pin 6 (Output): The output pin where the amplified signal appears.
7. Pin 7 (V+ or Positive Supply): Connects to the positive power supply voltage.
8. Pin 8 (NC or No Connect): Not connected internally; typically left floating.
The OPA111BM is designed for precision applications, offering low offset voltage and drift, making it suitable for high-performance signal processing.
Manufacturer
Founded in 1930, TI has grown to become one of the largest and most respected companies in the electronics industry, serving various sectors such as automotive, industrial, communications, and consumer electronics. Its products are widely used in applications ranging from consumer devices to sophisticated industrial systems. Texas Instruments places a strong emphasis on research and development, consistently introducing new technologies and solutions to meet the evolving needs of engineers and designers worldwide.
Application
1. Signal Conditioning: Used in sensor signal amplification for improved accuracy.
2. Data Acquisition: Interfaces with analog-to-digital converters for precise measurements.
3. Active Filters: Employed in audio and communication systems for filtering applications.
4. Instrumentation: Utilized in medical devices and industrial instrumentation for high-accuracy signal processing.
5. Feedback Control: Applied in control systems for stability and performance enhancement.
6. Voltage Follower: Acts as a buffer to isolate different circuit stages.
These applications leverage the OPA111BM's low noise, low offset voltage, and high precision characteristics.