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UPC1251G2(3)-E2-A
Renesas Electronics Corporation
LINEAR IC OPERATION AMPLIFIER SO
15239 Pcs New Original In Stock
Amplifier Circuit
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5.0 / 5.0
- (358 Ratings)
UPC1251G2(3)-E2-A
Product Overview
13003882
DiGi Electronics Part Number
UPC1251G2(3)-E2-A-DGManufacturer
Renesas Electronics Corporation
UPC1251G2(3)-E2-A
Description
LINEAR IC OPERATION AMPLIFIER SOInventory
15239 Pcs New Original In Stock
Amplifier Circuit
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
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UPC1251G2(3)-E2-A Technical Specifications
Category
Linear, Amplifiers, Instrumentation, Op Amps, Buffer Amps
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Datasheet & Documents
HTML Datasheet
UPC1251G2(3)-E2-A-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Additional Information
Other Names
559-UPC1251G2(3)-E2-ATR
Standard Package
2,500
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Their environmentally mindful packaging makes me feel good about my purchase.
Dec 02, 2025
The quick response of their support team helped me troubleshoot issues efficiently.
Dec 02, 2025
The professionalism and efficiency displayed by DiGi Electronics were truly impressive.
Dec 02, 2025
Every interaction with DiGi Electronics’ support team makes my experience pleasant.
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Frequently Asked Questions (FAQ)
Can the UPC1251G2(3)-E2-A be used as a drop-in replacement for the NJM2114D in a low-noise audio preamplifier design without affecting signal integrity?
The UPC1251G2(3)-E2-A can serve as a functional alternative to the NJM2114D in low-noise audio preamplifier applications, but it is not a direct drop-in replacement due to differences in input bias current and gain bandwidth product. The UPC1251G2(3)-E2-A offers lower supply current (1.1mA typ) but slightly higher input noise voltage (15nV/√Hz vs. 12nV/√Hz), which may impact high-gain stages. Ensure layout and feedback network values are recalibrated to maintain stability and noise performance. Verify common-mode input range compatibility with your signal levels to prevent clipping, particularly in single-supply configurations.
What are the key design-in risks when using the UPC1251G2(3)-E2-A in a 3.3V portable sensor interface with rail-to-rail output requirements?
When integrating the UPC1251G2(3)-E2-A in a 3.3V sensor interface, a key risk is that it does not offer rail-to-rail input or output swing. The output typically reaches within 1.5V of the rails under load, limiting dynamic range—especially problematic near 0V or 3.3V. This can lead to signal clipping in single-supply designs. Consider using a negative bias or a rail-to-rail alternative like the MCP6002 if full-scale utilization is required. If retaining the UPC1251G2(3)-E2-A, derate input signals to stay within 1.0V to 2.3V and verify load conditions to minimize output saturation risks.
How does the temperature stability of the UPC1251G2(3)-E2-A affect precision amplification in automotive environments, and what compensation techniques are recommended?
The UPC1251G2(3)-E2-A exhibits a typical input offset voltage drift of 2μV/°C, which can introduce significant errors over a -40°C to +125°C automotive temperature range. In precision signal conditioning, this may result in up to ±0.3mV offset variation. To mitigate this, use a low-thermal-resistor feedback network and minimize PCB thermal gradients. Avoid placing near high-power components. For critical applications, pair with a calibration routine or consider auto-zero amplifiers like the LTC2050 for improved long-term stability, though the UPC1251G2(3)-E2-A remains suitable for moderate-precision uses with proper design margins.
Is the UPC1251G2(3)-E2-A susceptible to oscillation when driving capacitive loads in filter circuits, and how can stability be ensured?
Yes, the UPC1251G2(3)-E2-A can become unstable when directly driving capacitive loads greater than 100pF, which is common in active filter or long-cable drive applications. This is due to phase margin reduction from pole formation. To maintain stability, isolate the capacitor with a series output resistor (e.g., 50Ω–100Ω) placed close to the amplifier output, or use lead compensation by adding a small capacitor (10–50pF) in the feedback loop. Always simulate the AC response in your specific configuration and consider load conditions across process and temperature variations to avoid unexpected oscillations.
What are the long-term reliability concerns of using the UPC1251G2(3)-E2-A in industrial control systems with intermittent high-humidity exposure?
While the UPC1251G2(3)-E2-A is factory-tested for robustness, prolonged exposure to high humidity without conformal coating can accelerate corrosion or leakage currents on the PCB, indirectly affecting amplifier performance. The SOIC package is not hermetically sealed, so condensation may bridge high-impedance nodes, increasing noise or causing offset drift. For industrial environments, use conformal coating on the assembly and ensure a minimum 0.5mm creepage distance around the UPC1251G2(3)-E2-A’s pins. Additionally, operate within the specified storage and operating humidity ranges and verify system-level performance under thermal cycling to ensure sustained reliability.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
UPC1251G2(3)-E2-A CAD Models
Renesas Electronics Corporation UPC1251G2(3)-E2-A PCB symbols & footprints
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