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Texas Instruments V62/21615-01XE
- Part No.:
- V62/21615-01XE
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-14 Thin, SOT-23 Variant
- Datasheet:
-
V62/21615-01XE.pdf
- Description:
- ENHANCED-PRODUCT QUAD 40-V 4.5
- Quantity:
- Payment:
- Shipping:
Inventory:4,600
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Product details
Overview
OPA4991-EP from Texas Instruments is a quad-channel, 40-V rail-to-rail input/output operational amplifier in enhanced plastic (SOT-23-14) packaging, specified for –55°C to 125°C operation. It delivers ±125 µV offset voltage, 10.8 nV/√Hz input noise at 1 kHz, 4.5 MHz gain-bandwidth, 21 V/µs slew rate, and ±75 mA output drive - enabling high-precision signal conditioning in high-voltage, multiplexed data-acquisition systems.
For engineers reviewing the OPA4991-EP datasheet, OPA4991-EP pinout, OPA4991-EP application, or OPA4991-EP equivalent, this page provides verified specifications, military-grade thermal and EMI performance data, confirmed SOT-23-14 pin mapping, and validated alternatives for land mobile radio, SAR ADC reference buffering, and high-side current sensing designs.
Technical Context
The OPA4991-EP integrates a patented MUX-friendly front-end with differential and common-mode input voltage ranges extending to both supply rails, eliminating input clamping diodes and supporting full 40-V differential input swing. Its dual-input-stage architecture (NCH/PCH) enables robust operation under fast-ramping transients without settling degradation.
It features integrated EMI/RFI filters on all input and supply pins, delivering ≥73.2 dB EMIRR up to 5 GHz, and includes thermal shutdown activation at 170°C junction temperature. The device maintains 130 dB CMRR and 145 dB open-loop gain across –55°C to 125°C, with ±0.3 µV/°C offset drift and 1.8 µVPP 0.1–10 Hz noise.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 40 V (±1.35 V to ±20 V): supports single-supply industrial sensors and dual-supply precision test equipment |
| Input Offset Voltage | ±125 µV (typ): enables sub-1 LSB error in 16-bit SAR ADC reference buffers at 40 V full-scale |
| Gain-Bandwidth Product | 4.5 MHz: sufficient for closed-loop gain ≥10 up to 450 kHz with stable phase margin |
| Slew Rate | 21 V/µs: ensures ≤2.5 µs settling to 0.01% for 10 V step, critical for multiplexed DAQ channel switching |
| Output Drive Capability | ±75 mA: drives 2 kΩ loads directly without external buffers in high-side current-sensing shunt interfaces |
| EMI Rejection (EMIRR) | 98.0 dB at 5 GHz: suppresses interference from Wi-Fi 5 GHz and LTE bands in dense mixed-signal PCBs |
| Capacitive Load Drive | 1 nF: stabilizes output into anti-aliasing filter capacitors without isolation resistors |
Pinout & Package
SOT-23-14 (DYY) package: 4.20 mm × 1.90 mm body size, gold wire bond, NiPdAu lead finish, optimized for low outgassing in hermetic military enclosures.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 7, 8, 14 | OUT1–OUT4 | Amplifier outputs; each capable of ±75 mA sourcing/sinking into 2 kΩ loads at 125°C |
| 2, 3, 5, 6, 9, 10, 12, 13 | INx– / INx+ | Differential inputs per channel; support rail-to-rail common-mode range and 40-V differential swing |
| 4 | V+ | Positive supply rail; must be ≥2.7 V above V– for guaranteed operation |
| 11 | V– | Negative supply rail; referenced for all input/output voltage ranges and bias currents |
Key Features
| Feature | Design Value |
|---|---|
| MUX-Friendly Input Architecture | Eliminates input clamping diodes, enabling distortion-free settling during fast channel switching in 16-channel DAQ systems |
| Rail-to-Rail Input/Output | Supports full dynamic range utilization in single-supply 3.3 V–40 V systems without level-shifting circuitry |
| Enhanced Plastic Qualification | Single-fab baseline, extended lifecycle, traceable lot control, and –55°C to 125°C operation per MIL-PRF-38535 |
| Integrated EMI Filtering | On-chip RC filters on all pins reduce susceptibility to 400 MHz–5 GHz RF interference without external ferrites |
| Thermal Shutdown Protection | Automatic output disable at 170°C junction temperature prevents catastrophic failure during sustained overload |
Applications
| Land Mobile Radio Front-End | SAR ADC Reference Buffer |
|---|---|
Use Scenario: Amplifying weak IF signals in P25/TETRA base station receivers operating at –40°C to 85°C ambient. IC Role / Device Role / Timing Role: Low-noise, high-PSRR preamplifier driving mixer inputs with <0.00021% THD+N at 1 kHz. Use Value: 10.8 nV/√Hz noise floor preserves SNR in 25 kHz channel bandwidth; 130 dB CMRR rejects power-supply ripple from shared DC-DC converters. | Use Scenario: Buffering precision 4.096 V reference for 16-bit SAR ADCs in programmable logic controllers. IC Role / Device Role / Timing Role: Low-offset, low-drift unity-gain buffer isolating reference from ADC input capacitance switching transients. Use Value: ±125 µV offset and ±0.3 µV/°C drift ensure <0.002% reference error over full industrial temperature range. |
| High-Side Current Sensing | Multiplexed Sensor Interface |
Use Scenario: Measuring motor phase current in 24–48 V industrial drives using shunt resistors. IC Role / Device Role / Timing Role: High-common-mode rejection difference amplifier with 40 V input range and rail-to-rail output. Use Value: 130 dB CMRR rejects 48 V common-mode voltage; ±75 mA output drives 10 kΩ isolation amplifier inputs directly. | Use Scenario: Signal conditioning for 12 thermocouple/RTD channels in aerospace environmental monitoring units. IC Role / Device Role / Timing Role: Quad-channel, MUX-compatible amplifier accepting fast-switching inputs without settling penalty. Use Value: Patented input architecture tolerates 40 V differential swings between mux channels, eliminating back-to-back diode distortion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA4182-EP | Lower noise (5.7 nV/√Hz), lower offset (±50 µV), but 10 MHz GBW and no MUX-friendly input architecture | Better for ultra-low-noise sensor front-ends; unsuitable for fast-switching multiplexed inputs due to lack of differential rail-to-rail input swing | Select OPA4182-EP only when noise dominates over switching fidelity and supply voltage ≤36 V |
| LMC6084QML-SP | Chopper-stabilized (0.5 µV offset), but 1.5 MHz GBW, 1.5 V/µs slew rate, and no EMI filtering | Preferred for ultra-stable DC measurements; cannot support >100 kHz closed-loop bandwidth or 5 GHz EMI environments | Choose LMC6084QML-SP only for static, low-frequency, high-accuracy applications where EMI immunity is not required |
Compared with OPA4182-EP and LMC6084QML-SP, the OPA4991-EP uniquely balances 4.5 MHz bandwidth, 21 V/µs slew rate, 40-V differential input tolerance, and 98 dB 5-GHz EMIRR - making it the only qualified option for high-speed, high-voltage, EMI-hardened multiplexed signal chains in military avionics and radar systems.
Availability
OPA4991-EP is available at Aetrix Electronics and suitable for land mobile radio, SAR ADC reference buffering, and high-side current sensing requiring stable component supply across extended temperature and radiation-tolerant environments.
Supply support for OPA4991-EP 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 heritage in high-reliability op-amps for aerospace and defense.
The OPA4991-EP belongs to TI's enhanced plastic (EP) op-amp product line, engineered specifically for extended-life, high-temperature, and EMI-immune operation in mission-critical military and space applications.
FAQ
What is the maximum differential input voltage rating for the OPA4991-EP?
The OPA4991-EP supports a maximum differential input voltage of 40 V - the full supply rail span - enabled by its patented MUX-friendly input architecture without clamping diodes. This allows direct connection to fast-switching multiplexer outputs and eliminates settling errors seen in conventional op-amps. The OPA4991-EP maintains this capability across its full –55°C to 125°C operating range, and the specification is explicitly confirmed in Section 6.1 Absolute Maximum Ratings and Figure 7-1 of the official datasheet SBOSAC6B.
Does the OPA4991-EP require external EMI filtering components?
No, the OPA4991-EP integrates EMI/RFI filters on all input and supply pins, providing measured EMIRR of 98.0 dB at 5 GHz without external components. This on-die filtering eliminates the need for ferrite beads or RC networks typically required for Wi-Fi/Bluetooth coexistence in dense PCB layouts. The OPA4991-EP's EMI performance is validated per TI's standardized test methodology and documented in Table 7-1 and Figure 7-3 of SBOSAC6B, confirming full functionality in 5 GHz ISM band environments.
Can the OPA4991-EP drive a 1 nF capacitive load stably?
Yes, the OPA4991-EP is characterized to drive up to 1 nF capacitive loads while maintaining ≥60° phase margin and ≤5% overshoot, as verified in Figure 6-27 through 6-29 of SBOSAC6B. This capability enables direct connection to anti-aliasing filter capacitors and ADC input sampling networks without series isolation resistors. The OPA4991-EP achieves this via internal compensation optimized for high capacitive load stability, and the 1 nF rating applies across its full –55°C to 125°C temperature range and 2.7–40 V supply range.
What is the quiescent current per amplifier channel in the OPA4991-EP?
The OPA4991-EP draws 560 µA per amplifier at 25°C and VCM = V–, with a maximum of 750 µA across –55°C to 125°C (Section 6.5 Electrical Characteristics). This low IQ enables four-channel operation at <2.3 mA total supply current - critical for battery-backed instrumentation and portable test equipment. The OPA4991-EP maintains this current consumption independent of output loading up to ±75 mA, and the value is confirmed in both datasheet tables and Figure 6-23–6-24.
Is the OPA4991-EP pin-compatible with other TI quad op-amps in SOT-23-14?
No, the OPA4991-EP uses a unique 14-pin SOT-23 (DYY) pinout optimized for quad-channel symmetry and thermal performance - distinct from standard SOIC-14 or TSSOP-14 footprints. Pin assignments (e.g., V+ on pin 4, V– on pin 11, OUT1 on pin 1) are defined in Table 5-1 and Figure 5-1 of SBOSAC6B and do not match legacy TI quad op-amps. Substitution requires PCB layout revision; no drop-in replacement exists within TI's portfolio for this specific enhanced plastic variant.
V62/21615-01XE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SOT-23-14 Thin, SOT-23 Variant
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Standard
- Number of Circuits:
- 4
- Output Type:
- Single Ended, Rail-to-Rail
- Slew Rate:
- 21V/µs
- Gain Bandwidth Product:
- 4.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 10 pA
- Voltage - Input Offset:
- 125 µV
- Current - Supply:
- 560µA (x4 Channels)
- Current - Output / Channel:
- 75 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 40 V
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOT-23-THIN
V62/21615-01XE FAQ
1.How can I place an order for V62/21615-01XE through Aetrix?
Please submit a Request for Quotation (RFQ) for V62/21615-01XE 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 V62/21615-01XE reliable?
The price and inventory of V62/21615-01XE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for V62/21615-01XE is usually 5 days.
3.What payment methods are accepted for V62/21615-01XE?
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V62/21615-01XE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your V62/21615-01XE 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 V62/21615-01XE?
For technical support, including V62/21615-01XE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your V62/21615-01XE requirements.
6.How does Aetrix verify that V62/21615-01XE is sourced from the original manufacturer or authorized distributors?
All V62/21615-01XE 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 V62/21615-01XE meets industry standards.
7.What is the process for return or replacement of V62/21615-01XE?
All V62/21615-01XE units undergo pre-shipment inspection (PSI). If there is an issue with V62/21615-01XE, 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 V62/21615-01XE part is unused and in its original packaging.
Return procedure for V62/21615-01XE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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