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OPA277UA/2K5
+BOM-
ManufacturerTexas Instruments
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Mfr. Part #OPA277UA/2K5
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In Stock7404
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Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Amplifier Type | General Purpose |
| Number of Circuits | 1 |
| Slew Rate | 0.8V/µs |
| Gain Bandwidth Product | 1 MHz |
| Current - Input Bias | 500 pA |
| Voltage - Input Offset | 20 µV |
| Supply Current | 790µA |
| Current - Output / Channel | 35 mA |
| Voltage - Supply Span(Min) | 4 V |
| Voltage - Supply Span(Max) | 36 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Overview
Description
The "UA" in the part number refers to the SOIC (Small Outline Integrated Circuit) package, which is suitable for surface-mount applications, while "/2K5" indicates the specific packaging quantity or reel size, often used for ordering purposes in bulk requirements.
OPA277UA offers a wide supply voltage range and operates well in single-supply or dual-supply configurations, enhancing its versatility. With its low power consumption and high output drive capabilities, the OPA277UA/2K5 is suitable for a wide range of applications, including medical instrumentation, data acquisition systems, and high-precision industrial controls.
Equivalent
1. Analog Devices AD8671 - Offers low noise and precision.
2. Linear Technology LTC2057 - Known for zero-drift and precision.
3. Maxim Integrated MAX44251 - Features low offset voltage.
4. STMicroelectronics TSX3702 - Provides precision at lower voltages.
5. Microchip MCP6V07 - Offers low offset voltage with zero-drift architecture.
These components share similar characteristics like low offset voltage and high precision, making them suitable alternatives.
Features
1. Low Offset Voltage: Typically around 10 µV, which enhances accuracy in applications.
2. Low Drift: Minimal offset voltage drift over temperature, typically 0.1 µV/°C.
3. Low Noise: Features low broadband noise, around 8 nV/√Hz, useful for precision applications.
4. Wide Supply Range: Operates on a single or dual power supply, ranging from ±2V to ±18V.
5. High Common-Mode Rejection Ratio (CMRR): Typically 130 dB, which helps in rejecting input signal noise.
6. High Open-Loop Gain: Approximately 130 dB, ensuring stable performance over a wide range of conditions.
7. Input Bias Current: Low input bias current, typically 1 nA, suitable for applications requiring high input impedance.
8. Unity-Gain Stable: Ensures stability across various feedback configurations.
These features make the OPA277UA/2K5 suitable for precision sensor applications, data acquisition systems, and other instrumentation tasks requiring high accuracy and stability.
Pinout
The pin configuration for the OPA277UA is as follows:
1. Pin 1: Offset Null
2. Pin 2: Inverting Input (–IN)
3. Pin 3: Non-Inverting Input (+IN)
4. Pin 4: V- (Negative Power Supply)
5. Pin 5: Offset Null
6. Pin 6: Output
7. Pin 7: V+ (Positive Power Supply)
8. Pin 8: No Connection (NC)
The OPA277 series is generally used in applications requiring precision amplification with low offset voltage and drift, and it is ideal for instrumentation and sensor interfaces.