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Home > Products > Integrated Circuits (ICs) > Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps > OPA380AIDGKT
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OPA380AIDGKT

In Stock 7452 pcs Reference Price(In US Dollars)
1+
$7.2232
10+
$6.2173
30+
$5.6042
100+
$5.0918
Manufacturer Part Number:
OPA380AIDGKT
Manufacturer / Brand
Texas Instruments
Part of Description:
IC TRANSIMPEDANCE 1 CIRC 8VSSOP
Datasheets:
OPA380AIDGKT.pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 7452 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number OPA380AIDGKT
Manufacturer / Brand Texas Instruments
Stock Quantity 7452 pcs Stock
Category Integrated Circuits (ICs) > Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
Description IC TRANSIMPEDANCE 1 CIRC 8VSSOP
Lead Free Status / RoHS Status: ROHS3 Compliant
RFQ OPA380AIDGKT Datasheets OPA380AIDGKT Details PDF
OPA380AIDGKT Details PDF for FR.pdf
OPA380AIDGKT Details PDF for IT.pdf
OPA380AIDGKT Details PDF for DE.pdf
OPA380AIDGKT Details PDF for ES.pdf
OPA380AIDGKT Details PDF for KR.pdf
Voltage - Supply Span (Min) 2.7 V
Voltage - Supply Span (Max) 5.5 V
Voltage - Input Offset 4 µV
Supplier Device Package 8-VSSOP
Slew Rate 80V/µs
Series -
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Package Tape & Reel (TR)
Output Type -
Operating Temperature -40°C ~ 125°C
Number of Circuits 1
Mounting Type Surface Mount
Gain Bandwidth Product 90 MHz
Current - Supply 7.5mA
Current - Output / Channel 150 mA
Current - Input Bias 3 pA
Base Product Number OPA380
Amplifier Type Transimpedance

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

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Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
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OPA380AIDGKT Product Details:

The OPA380AIDGKT is a high-performance transimpedance amplifier (TIA) designed by Texas Instruments, specifically engineered for precision analog signal conditioning in demanding electronic applications. This advanced integrated circuit addresses critical design challenges in low-current and high-sensitivity sensing environments, offering exceptional performance across a wide temperature range of -40°C to 125°C.

As a single-circuit linear amplifier, the device excels in converting tiny electrical currents into measurable voltage signals with remarkable precision. Its ultra-low input bias current of just 3 picoamperes and minimal input offset voltage of 4V make it ideal for applications requiring extremely sensitive current-to-voltage conversion, such as photodiode signal processing, optical sensing, and precision measurement systems.

The amplifier operates with a single or dual supply voltage range of 2.7V to 5.5V, consuming only 7.5mA of supply current. It delivers an impressive gain bandwidth product of 90MHz and a slew rate of 80V/s, enabling high-speed signal processing with exceptional signal integrity. The device is packaged in a compact 8-VSSOP (Very Small Outline Package) surface-mount format, facilitating integration into space-constrained electronic designs.

Key advantages include its lead-free RoHS compliance, excellent temperature stability, and robust performance in precision instrumentation. The amplifier is particularly well-suited for medical diagnostics, scientific instrumentation, optical communications, and high-sensitivity sensor interfaces where minimal noise and exceptional current-to-voltage conversion are critical.

Equivalent or alternative models that share similar characteristics include the OPA363, OPA380, and other transimpedance amplifiers in Texas Instruments' precision analog portfolio. The device's compatibility with standard circuit design practices and its compact packaging make it an attractive solution for engineers seeking high-performance current sensing capabilities.

The OPA380AIDGKT represents a sophisticated solution for applications demanding ultra-low noise, high-precision current-to-voltage conversion with superior signal handling characteristics across diverse operating environments.

OPA380AIDGKT Key Technical Attributes

Manufacturer Part Number - OPA380AIDGKT

Manufacturer - Luminary Micro / Texas Instruments

Amplifier Type - Transimpedance

OPA380AIDGKT Packing Size

Encapsulation Type - MSOP8

Package Configuration - 8-VSSOP

Operating Temperature Range - -40°C to 125°C

Voltage Supply Range - 2.7 V to 5.5 V

OPA380AIDGKT Application

Used in applications requiring high-speed signal amplification and processing such as medical instrumentation, photodiode amplifiers, and optical sensors.

OPA380AIDGKT Features

The OPA380AIDGKT is designed specifically for high-speed transimpedance applications. It offers a slew rate of 80 V/s and a gain bandwidth product of 90MHz, making it highly suitable for fast signal processing tasks. The voltage supply range from 2.7 V to 5.5 V allows for flexible power requirements. Moreover, the low input bias current of 3pA and an input offset voltage of 4V allow for precise signal amplification with minimal error.

OPA380AIDGKT Quality and Safety Features

Lead-free/RoHS Compliant ensuring environmental safety. Moisture Sensitivity Level (MSL) rated at 2 (1 Year), which specifies handling precautions to prevent moisture-induced damage.

OPA380AIDGKT Compatibility

This particular model, OPA380AIDGKT, is designed to mount on surfaces utilizing an 8-VSSOP, 8-MSOP package ensuring wider compatibility with various types of printed circuit boards.

OPA380AIDGKT Datasheet PDF

We provide the most authoritative and comprehensive datasheet for OPA380AIDGKT. Customers are encouraged to download the complete datasheet available on our website for detailed specifications and application guidance.

Quality Distributor

IC-Components is a premier distributor of Luminary Micro / Texas Instruments products, including the OPA380AIDGKT. We recommend getting a quote directly from our website to ensure the best availability and pricing, backed by our quality service guarantee.

Frequently Asked Questions

What are the primary power supply limitations and considerations when integrating the OPA380AIDGKT transimpedance amplifier into a mixed-signal design, especially concerning its 2.7V to 5.5V range?
The OPA380AIDGKT operates within a single or dual supply range of 2.7V to 5.5V. When integrating, ensure your power supply rails are stable and within this specified range to prevent performance degradation or damage. For designs operating at the lower end (e.g., 3.3V), be mindful of the input voltage headroom requirements of subsequent stages to avoid clipping. Conversely, at 5.5V, ensure that the input bias currents and output swings remain within their specified limits, considering potential voltage drops across external components. The OPA380AIDGKT's 7.5mA quiescent current should also be factored into the overall power budget.
How does the OPA380AIDGKT's low input bias current of 3pA impact its suitability for interfacing with high-impedance photodetectors, and what are common pitfalls to avoid in this application?
The OPA380AIDGKT's exceptionally low input bias current of 3pA makes it an excellent choice for interfacing with high-impedance photodetectors, minimizing dark current errors. However, a critical consideration is PCB layout and material selection. Contamination, flux residue, or humidity on the PCB can create parasitic leakage paths that effectively increase the input bias current, negating the OPA380AIDGKT's advantage. Using a guard ring around the input pin, connected to a low-impedance node (like ground or a virtual ground), is essential. Additionally, employing a low-leakage PCB material and ensuring thorough cleaning after assembly are vital to achieving the full performance potential of the OPA380AIDGKT.
In a scenario requiring a replacement for an older transimpedance amplifier with similar performance but a different package, what are the key design implications of migrating to the OPA380AIDGKT in an 8-VSSOP package?
Migrating to the OPA380AIDGKT from an older transimpedance amplifier in a different package will primarily involve PCB redesign for the 8-VSSOP footprint. While the OPA380AIDGKT offers a 90MHz gain bandwidth product and 80V/s slew rate, which are significant performance improvements over many older parts, you must re-evaluate the transimpedance feedback resistor and capacitor values. The OPA380AIDGKT's specific input capacitance and parasitic inductance, though typically low in a VSSOP package, can influence loop stability with the feedback network. Thorough simulation and potentially prototyping are recommended to ensure stability and optimal frequency response with the OPA380AIDGKT, especially if the original design was marginal.
What are the potential reliability concerns and best practices for using the OPA380AIDGKT in industrial environments with extended operating hours and potential temperature cycling, given its MSL 2 rating?
The OPA380AIDGKT has an MSL 2 (Moisture Sensitivity Level 2) rating, meaning it should be stored and handled appropriately to prevent moisture absorption. For industrial applications with extended operating hours and potential temperature cycling, proper soldering profiles are crucial to avoid aggravating any absorbed moisture. Post-assembly, consider conformal coating the PCB, particularly around the OPA380AIDGKT, to provide an additional barrier against environmental contaminants and humidity. While the OPA380AIDGKT's operating temperature range is -40°C to 125°C, consistent operation close to the upper limit for extended periods can accelerate component aging. Thermal management through proper PCB layout and heatsinking, if necessary, will enhance long-term reliability.
When designing a photodiode interface for very low light levels, is the OPA380AIDGKT's 4µV input offset voltage a significant concern, and how can it be mitigated in a typical transimpedance configuration?
The OPA380AIDGKT's input offset voltage of 4µV is generally very low and unlikely to be a significant concern for most low-light applications. However, if the transimpedance resistor is very large (e.g., GΩ range) and the signal is extremely weak, this offset voltage, when multiplied by the feedback gain, can contribute to a DC offset at the output. To mitigate this, ensure accurate biasing of the photodiode and consider a calibrated offset nulling circuit if absolute zero is critical. For most practical scenarios, the 4µV offset of the OPA380AIDGKT is well within acceptable limits and far less impactful than input bias current-related errors.
For applications requiring a higher gain-bandwidth product than the OPA380AIDGKT's 90MHz, what are the critical trade-offs when considering alternative transimpedance amplifiers, and are there specific TI models to investigate?
If your application demands a gain-bandwidth product (GBW) significantly exceeding the OPA380AIDGKT's 90MHz, you'll typically need to explore amplifiers with higher GBW specifications. Key trade-offs often involve increased quiescent current, higher input bias current, and potentially a wider operating voltage range or different package options. For higher GBW TI transimpedance amplifiers, consider the OPA85x series, which offers significantly higher bandwidths, but at the cost of increased power consumption and potentially higher input bias current depending on the specific part. It's crucial to compare the noise performance, slew rate, and input impedance characteristics of any alternative against your specific application requirements to ensure it's a suitable replacement for the OPA380AIDGKT.
How does the OPA380AIDGKT's slew rate of 80 V/s affect its ability to accurately capture fast transient current pulses from a photodetector in a high-speed data acquisition system?
The OPA380AIDGKT's slew rate of 80 V/s is a critical parameter for capturing fast transient current pulses. If the rate of change of the input current exceeds this slew rate, the amplifier's output will not be able to track the input accurately, leading to signal distortion and underestimation of pulse amplitude or duration. For systems expecting very fast current pulses (e.g., pico- to nanosecond durations), a higher slew rate amplifier might be necessary. When using the OPA380AIDGKT, the bandwidth of the transimpedance network (feedback resistor and capacitor) will also limit the transient response; ensure the entire signal chain's bandwidth is appropriate for the expected pulse speeds.
In a scenario where a dual-supply ±2.5V system is being redesigned for a single 5V supply, how can the OPA380AIDGKT be effectively utilized, and what are the implications for input voltage range?
The OPA380AIDGKT is well-suited for single-supply operation within its 2.7V to 5.5V range, making it a good candidate for a redesign from ±2.5V to a single 5V supply. In a single-supply configuration, the input common-mode voltage range and output voltage swing become crucial. Ensure the input signal from the photodetector, after being converted to a voltage by the transimpedance resistor, does not exceed the OPA380AIDGKT's input common-mode limits relative to the ground pin. Similarly, the output swing is limited to within approximately 50mV to 100mV of the supply rails. Proper biasing and potentially a level-shifting circuit for the input signal might be necessary if the photodetector's operating point is close to the negative rail in the original dual-supply design.
What are the practical advantages of the OPA380AIDGKT's Digi-Reel packaging for high-volume automated surface mount assembly compared to traditional bulk packaging, and what is the MSL 2 implication?
The Digi-Reel packaging for the OPA380AIDGKT offers significant advantages for high-volume automated surface mount assembly. It ensures components are presented to pick-and-place machines in a consistent, tape-and-reel format, minimizing handling and reducing the risk of ESD damage or contamination. This format is ideal for automated feeders on SMT lines. The MSL 2 rating (1 Year shelf life after opening) is critical with Digi-Reel packaging. It signifies that after the seal on the reel is broken, the OPA380AIDGKT is susceptible to moisture absorption over time. Proper inventory management, including baking procedures if the specified shelf life is exceeded or the package is exposed to ambient humidity for extended periods, is essential to maintain the integrity of the OPA380AIDGKT for soldering.
For instrumentation requiring extremely precise current-to-voltage conversion, what inherent noise sources within the OPA380AIDGKT should engineers consider, and how does its GBW of 90MHz interact with this?
When designing for extremely precise current-to-voltage conversion with the OPA380AIDGKT, engineers must consider its inherent noise sources: voltage noise and current noise. The voltage noise (typically a few nV/√Hz) contributes to the output noise, especially when multiplied by the feedback network's resistance. The current noise (typically a few fA/√Hz) is critical for high-impedance sources, as it directly impacts the output noise. The OPA380AIDGKT's 90MHz gain bandwidth product implies that at higher frequencies, the amplifier's gain decreases. This means that for a given feedback resistor value, the noise contribution from the amplifier itself will be amplified less at higher frequencies. However, for wideband applications, the integrated noise over the signal bandwidth becomes the dominant factor, and careful selection of the feedback resistor and compensating capacitor is crucial to balance gain, bandwidth, and noise performance.

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