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OPA2337PA
Texas Instruments
IC CMOS 2 CIRCUIT 8DIP
4792 Pcs New Original In Stock
CMOS Amplifier 2 Circuit Rail-to-Rail 8-PDIP
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OPA2337PA
Product Overview
12791227
DiGi Electronics Part Number
OPA2337PA-DGManufacturer
Texas Instruments
OPA2337PA
Description
IC CMOS 2 CIRCUIT 8DIPInventory
4792 Pcs New Original In Stock
CMOS Amplifier 2 Circuit Rail-to-Rail 8-PDIP
Quantity
Minimum 1
Minimum 1
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OPA2337PA Technical Specifications
Category
Linear, Amplifiers, Instrumentation, Op Amps, Buffer Amps
Packaging
Tube
Series
MicroAmplifier™
Product Status
Active
Amplifier Type
CMOS
Number of Circuits
2
Output Type
Rail-to-Rail
Slew Rate
1.2V/µs
Gain Bandwidth Product
3 MHz
Current - Input Bias
0.2 pA
Voltage - Input Offset
500 µV
Current - Supply
525µA (x2 Channels)
Current - Output / Channel
9 mA
Voltage - Supply Span (Min)
2.7 V
Voltage - Supply Span (Max)
5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Supplier Device Package
8-PDIP
Base Product Number
OPA2337
Datasheet & Documents
HTML Datasheet
OPA2337PA-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
Not Applicable
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.33.0001
Additional Information
Other Names
OPA2337PAG4
-OPA2337PA-NDR
2156-OPA2337PA-TI
TEXTISOPA2337PA
-OPA2337PA-DG
-OPA2337PAG4-NDR
-OPA2337PAG4
OPA2337PA-NDR
OPA2337PAG4-DG
Standard Package
50
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Di Digi Electronics bietet eine herausragende Logistikdienstleistung und faire Preise.
Dec 02, 2025
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Dec 02, 2025
DiGi Electronics excels in logistics, often delivering earlier than expected, which is a great advantage for urgent repairs.
Dec 02, 2025
Trusted for years because of their consistent reliability and reasonable prices.
Dec 02, 2025
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Dec 02, 2025
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Dec 02, 2025
DiGi Electronics' focus on quality and price points makes shopping easy.
Dec 02, 2025
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Frequently Asked Questions (FAQ)
When replacing a legacy op-amp like the LM358 with the OPA2337PA in a 5V sensor interface circuit, what are the key design risks related to input bias current and offset voltage that could affect low-level signal accuracy?
The OPA2337PA offers significantly lower input bias current (0.2 pA vs. ~45 nA for LM358) and lower input offset voltage (500 µV vs. ~2–7 mV), making it far superior for high-impedance sensor applications such as photodiodes or strain gauges. However, this ultra-low bias current increases sensitivity to PCB leakage currents—ensure clean board layouts with guard rings and avoid flux residues. The lower offset improves DC accuracy without trimming, but verify that your system’s gain doesn’t amplify the residual 500 µV error beyond acceptable limits, especially in precision DC-coupled stages.
Can the OPA2337PA safely drive a 100 pF capacitive load directly in a unity-gain buffer configuration, and what stability precautions should be taken given its rail-to-rail output stage?
The OPA2337PA is not optimized for direct driving of heavy capacitive loads (>50 pF) in unity-gain configurations due to potential phase margin degradation from its rail-to-rail output stage. Driving 100 pF may cause ringing or oscillation. To mitigate this, add a small series isolation resistor (10–100 Ω) between the output and load, or use a feedback capacitor to shape frequency response. Alternatively, consider the OPA365 (also from TI) if higher capacitive drive is required, though it consumes more supply current.
Is the OPA2337PA a drop-in replacement for the MCP6002 in a battery-powered IoT sensor node running on a 3.3V supply, considering quiescent current and output swing under light loads?
While both operate down to 2.7V and have rail-to-rail outputs, the OPA2337PA draws 525 µA per channel (1.05 mA total), nearly double the MCP6002’s typical 100 µA per channel. In ultra-low-power IoT nodes where sleep current dominates, this higher quiescent current may significantly reduce battery life. Additionally, the OPA2337PA’s output swing near rails degrades more under light loads compared to the MCP6002. If power budget is tight, stick with the MCP6002; if you need better DC precision and bandwidth (3 MHz vs. 100 kHz), the OPA2337PA is acceptable but requires careful power budgeting.
How does the OPA2337PA perform in high-temperature industrial environments (up to 85°C), particularly regarding input offset drift and long-term reliability when used in a 4–20 mA loop receiver?
The OPA2337PA is rated for –40°C to +85°C operation and exhibits stable performance in industrial 4–20 mA loops, but its input offset voltage drift (not specified in datasheet) should be assumed moderate (~5–10 µV/°C typical for CMOS amps). Over a 60°C delta, this could introduce 300–600 µV of drift—significant in high-accuracy (<0.1%) systems. For better thermal stability, consider the OPA333 (zero-drift, lower offset drift) despite higher cost. Also, ensure proper thermal management on the DIP package, as self-heating under continuous load can locally exceed ambient temps and accelerate aging.
What layout and decoupling practices are critical when using the OPA2337PA in a mixed-signal PCB with digital noise sources, given its through-hole 8-DIP package and low supply voltage range?
Despite its through-hole package, the OPA2337PA requires careful decoupling due to its 2.7–5.5V supply range and susceptibility to power-supply noise in mixed-signal environments. Place a 100 nF ceramic capacitor within 5 mm of the supply pins, supplemented by a 1–10 µF bulk capacitor nearby. Avoid routing digital traces under the DIP package, and use a solid ground plane beneath it to minimize ground bounce. The long lead lengths of DIP increase inductance—minimize loop areas in feedback and input paths. If space allows, consider switching to the SOIC version (OPA2337UA) for better high-frequency performance and tighter layout control.
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OPA2337PA CAD Models
Texas Instruments OPA2337PA PCB symbols & footprints
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