Texas Instruments OPA2863QDRQ1
- Part No.:
- OPA2863QDRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
OPA2863QDRQ1.pdf
- Description:
- OPA2863QDRQ1
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
OPA2863QDRQ1 from Texas Instruments is a dual-channel, AEC-Q100 Grade 1 automotive operational amplifier with rail-to-rail input/output, 110-MHz small-signal bandwidth, 50-MHz gain-bandwidth product, 105 V/µs slew rate, and 5.9 nV/√Hz input voltage noise-designed for low-side current sensing and photodiode transimpedance amplification in battery-powered EV powertrain subsystems.
For engineers reviewing the OPA2863QDRQ1 datasheet, OPA2863QDRQ1 pinout, OPA2863QDRQ1 application, or OPA2863QDRQ1 equivalent, key selection criteria include unity-gain stability, overload power limiting under saturation, short-circuit protected output, ±40°C to +125°C operation, and SOIC-8 packaging compatible with high-density automotive PCB layouts.
Technical Context
The OPA2863QDRQ1 employs a dual-input-stage architecture: a PNP-based main stage (CMVR: VS– – 0.2 V to VS+ – 1.6 V) and an NPN auxiliary stage (CMVR: VS+ – 1.6 V to VS+ + 0.2 V), both delivering matched 50-MHz GBWP and 5.9-nV/√Hz noise across full common-mode range. This enables accurate signal conditioning over wide dynamic input ranges without gain or noise degradation.
Its overload power limiting actively caps quiescent current increase during output saturation-critical for thermal management in 12-V automotive systems-and integrated short-circuit protection sustains ±45-mA fault current at –40°C to +125°C ambient, supporting ruggedized motor control and DC/DC converter feedback loops.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Unity-gain bandwidth | 110 MHz - supports fast transient response in current-sense amplifiers and active filters up to 20 MHz without phase margin loss. |
| Gain-bandwidth product | 50 MHz - ensures stable closed-loop gain ≥ 2 with >60° phase margin at 25°C, enabling precision gain-setting in sensor interfaces. |
| Quiescent current per channel | 700 µA (typical) - enables <1.4 mA total supply current in dual-channel operation, suitable for always-on vehicle modules with strict power budgets. |
| Input voltage noise density | 5.9 nV/√Hz at 10 kHz - delivers high SNR in low-level photodiode TIA applications where signal amplitudes are sub-mV. |
| Slew rate | 105 V/µs - allows clean 2-VPP output steps within 20 ns, meeting timing requirements for fast comparator-driven fault detection circuits. |
| Rail-to-rail I/O | Input CMVR: VS– – 0.2 V to VS+ + 0.2 V; Output swing: within 150 mV of rails - maximizes dynamic range in 3.3-V or 5-V single-supply systems. |
| Harmonic distortion | HD2 = –129 dBc, HD3 = –138 dBc @ 20 kHz, 2 VPP - meets THD requirements for high-fidelity analog front-ends in HUD and inverter control. |
Pinout & Package
D (SOIC-8) package: 4.9 mm × 6 mm body, 1.27 mm pitch, gull-wing leads; RoHS-compliant, moisture sensitivity level 2a.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN1– (Pin 2) | Amplifier 1 inverting input | Accepts differential feedback signals; supports precision gain configuration with external resistors in current-sense shunt amplifiers. |
| VIN1+ (Pin 3) | Amplifier 1 noninverting input | Direct connection point for low-impedance current-sense node or photodiode cathode in TIA topologies. |
| VIN2– (Pin 6) | Amplifier 2 inverting input | Enables dual-path signal conditioning-e.g., simultaneous current sense and voltage monitor in DC/DC controllers. |
| VIN2+ (Pin 5) | Amplifier 2 noninverting input | Used for reference biasing or secondary sensor interface; maintains same CMVR and noise performance as Channel 1. |
| VOUT1 (Pin 1) | Amplifier 1 output | Drives ADC inputs or comparators directly; rail-to-rail swing ensures full utilization of 12-bit+ converter input range. |
| VOUT2 (Pin 7) | Amplifier 2 output | Provides independent buffered output for redundancy or multi-function monitoring (e.g., overcurrent + overvoltage). |
| VS– (Pin 4) | Negative supply rail | Supports single-supply (0 V) or split-supply (±5 V) operation; internal ESD clamps rated to ±2 kV HBM. |
| VS+ (Pin 8) | Positive supply rail | Operates from 2.7 V to 12.6 V; overload power limiting activates when output saturates near VS+ or VS–. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for –40°C to +125°C ambient operation with lifetime reliability testing-required for engine bay, inverter, and charger modules. |
| Overload power limiting | Clamps IQ increase during sustained output saturation, preventing thermal runaway in battery-fed systems during fault conditions. |
| Output short-circuit protection | Sustains ±45 mA continuous short-circuit current across temperature, enabling robustness in motor driver feedback paths. |
| Rail-to-rail input stage matching | Main (PNP) and auxiliary (NPN) stages deliver identical GBWP, noise, and offset drift-eliminating gain nonlinearity at rail extremes. |
| Low 1/f noise corner | 25 Hz corner frequency minimizes low-frequency drift in DC-coupled current sensing, improving accuracy over long integration windows. |
Applications
| Low-Side Current Sensing | Photodiode Transimpedance Amplifier |
|---|---|
Use Scenario: Monitoring battery pack discharge current in 48-V mild-hybrid systems using milliohm shunt resistors. IC Role / Device Role / Timing Role: Dual-channel OPA2863QDRQ1 configures one amplifier as precision shunt amplifier and second as reference buffer or comparator preamp. Use Value: 110-MHz bandwidth resolves fast current transients during regenerative braking; rail-to-rail output drives 16-bit SAR ADCs without level-shifting. |
Use Scenario: Converting weak photocurrents (<100 nA) from LiDAR or ambient light sensors into measurable voltage signals. IC Role / Device Role / Timing Role: Primary transimpedance amplifier with low 5.9 nV/√Hz noise and 50-MHz GBWP to preserve pulse fidelity in time-of-flight measurements. Use Value: Matched input stage noise and gain ensure consistent responsivity across 0–3.3 V input common-mode range, critical for wide-dynamic-range optical sensing. |
| Onboard Wireless Charger Feedback | HVAC Compressor Motor Control |
Use Scenario: Closed-loop regulation of resonant tank current and voltage in 11-kW EV wireless charging pads. IC Role / Device Role / Timing Role: Dual op-amp implements real-time current/voltage sensing and error amplification in digital controller feedback path. Use Value: 105 V/µs slew rate supports 80-kHz switching harmonics; overload power limiting prevents thermal stress during coil misalignment faults. |
Use Scenario: Phase current measurement and PWM ripple suppression in 3-phase inverter driving HVAC compressor motors. IC Role / Device Role / Timing Role: Low-noise, high-speed amplifier conditions shunt-derived currents before isolation and digitization. Use Value: –138 dBc HD3 at 20 kHz eliminates harmonic coupling into motor control loops, reducing audible noise and torque ripple. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, rail-to-rail, automotive op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2365QDRQ1 | CMOS input, zero-crossover architecture; higher 4.5 nV/√Hz noise but lower 4.6-mA IQ; not unity-gain stable above 6 V. | Better for ultra-low-power always-on nodes; unsuitable for high-slew, high-output-drive applications like motor current sensing. | Select OPA2365QDRQ1 only when quiescent current <2 mA/channel is mandatory and slew rate <25 V/µs is acceptable. |
| OPA2836QDRQ1 | Bipolar input; 110-MHz SSBW but 560 V/µs slew rate; 4.6 nV/√Hz noise; non-rail-to-rail input (NRI). | Preferred for high-speed pulse amplification; incompatible with low-side sensing where input must reach VS–. | Choose OPA2836QDRQ1 for >100-V/µs transient response needs, but avoid where rail-to-rail input common-mode range is required. |
Compared with OPA2365QDRQ1 and OPA2836QDRQ1, the OPA2863QDRQ1 uniquely balances 110-MHz bandwidth, rail-to-rail input, 105-V/µs slew rate, and 700-µA/channel IQ-making it the only dual-channel option qualified for low-side current sensing across 2.7–12.6 V automotive supplies.
Availability
OPA2863QDRQ1 is available at Aetrix Electronics and suitable for automotive powertrain control, onboard charging systems, and HVAC compressor monitoring requiring stable component supply across extended temperature and long production lifecycles.
Supply support for OPA2863QDRQ1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of automotive-grade IC development and AEC-Q100 validation expertise.
The OPA2863QDRQ1 belongs to TI's precision high-speed automotive op-amp portfolio, engineered specifically for demanding signal conditioning in electric vehicle power electronics-including current sensing, motor control, and battery management subsystems.
FAQ
What is the operating temperature range for the OPA2863QDRQ1?
The OPA2863QDRQ1 is AEC-Q100 Grade 1 qualified with guaranteed operation from –40°C to +125°C ambient temperature. Electrical specifications-including gain-bandwidth product, input offset drift, and quiescent current-are characterized across this full range, making it suitable for under-hood and powertrain applications where thermal stress is extreme.
Does the OPA2863QDRQ1 support single-supply operation?
Yes, the OPA2863QDRQ1 supports true single-supply operation from 2.7 V to 12.6 V. Its rail-to-rail input stage accepts common-mode voltages from VS– – 0.2 V to VS+ + 0.2 V, and its rail-to-rail output swings within 150 mV of both rails-enabling direct interfacing with 3.3-V or 5-V microcontrollers and ADCs without level-shifting circuitry.
How does the overload power limiting feature work in the OPA2863QDRQ1?
The OPA2863QDRQ1's overload power limiting dynamically caps quiescent current increase when outputs saturate near either supply rail. Unlike conventional op-amps whose IQ rises sharply during saturation-causing thermal stress-the OPA2863QDRQ1 holds IQ near 700 µA/channel even under sustained overdrive, preserving system thermal integrity in fault conditions such as shorted shunt resistors or inverter shoot-through.
Is the OPA2863QDRQ1 pin-compatible with other TI dual op-amps in SOIC-8?
No, the OPA2863QDRQ1 has a unique pinout optimized for dual-channel symmetry: VIN1–/VIN1+/VIN2–/VIN2+ occupy Pins 2/3/6/5 respectively, differing from TI's standard OPA2xxx SOIC-8 layout. Engineers must verify PCB footprint compatibility-especially for VIN2+ (Pin 5) and VIN2– (Pin 6)-before drop-in replacement in existing designs.
What is the maximum output current drive capability of the OPA2863QDRQ1?
The OPA2863QDRQ1 delivers ±30 mA linear output drive (ΔVOS < 1 mV) and ±45 mA short-circuit current across –40°C to +125°C. This enables direct driving of medium-impedance loads such as 500-Ω ADC inputs or comparator thresholds-without external buffers-in space-constrained automotive modules like DC/DC controller ICs.
OPA2863QDRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Standard
- Number of Circuits:
- 2
- Output Type:
- Single Ended, Rail-to-Rail
- Slew Rate:
- 105V/µs
- Gain Bandwidth Product:
- 50 MHz
- -3db Bandwidth:
- 110 MHz
- Current - Input Bias:
- 300 nA
- Voltage - Input Offset:
- 400 µV
- Current - Supply:
- 700µA (x2 Channels)
- Current - Output / Channel:
- 45 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 12.6 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
OPA2863QDRQ1 FAQ
1.How can I place an order for OPA2863QDRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for OPA2863QDRQ1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for OPA2863QDRQ1 reliable?
The price and inventory of OPA2863QDRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OPA2863QDRQ1 is usually 5 days.
3.What payment methods are accepted for OPA2863QDRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OPA2863QDRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OPA2863QDRQ1?
OPA2863QDRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OPA2863QDRQ1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for OPA2863QDRQ1?
For technical support, including OPA2863QDRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OPA2863QDRQ1 requirements.
6.How does Aetrix verify that OPA2863QDRQ1 is sourced from the original manufacturer or authorized distributors?
All OPA2863QDRQ1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that OPA2863QDRQ1 meets industry standards.
7.What is the process for return or replacement of OPA2863QDRQ1?
All OPA2863QDRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with OPA2863QDRQ1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The OPA2863QDRQ1 part is unused and in its original packaging.
Return procedure for OPA2863QDRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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