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Texas Instruments TLV9151QDBVRQ1
- Part No.:
- TLV9151QDBVRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
TLV9151QDBVRQ1.pdf
- Description:
- IC OPAMP
- Quantity:
- Payment:
- Shipping:
Inventory:3,072
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Product details
Overview
TLV9151QDBVRQ1 from Texas Instruments is a single-channel AEC-Q100 Grade 1 automotive operational amplifier with rail-to-rail input and output, ±125µV typical offset voltage, 4.5MHz gain-bandwidth product, and 21V/µs slew rate-designed for high-precision current sensing in HEV/EV inverter control and ADAS sensor signal conditioning.
For engineers reviewing the TLV9151QDBVRQ1 datasheet, TLV9151QDBVRQ1 pinout, TLV9151QDBVRQ1 application, or TLV9151QDBVRQ1 equivalent, this page delivers verified electrical specs, thermal metrics, EMI rejection performance, shutdown timing, and automotive-grade reliability data required for functional safety-compliant design-in.
Technical Context
The TLV9151QDBVRQ1 implements a precision CMOS input stage with dual-pair input architecture enabling rail-to-rail common-mode operation from (V–) – 0.1 V to (V+) + 0.1 V and robust EMIRR performance up to 1 GHz. Its internal biasing supports stable operation across ±1.35V to ±8V or 2.7V to 16V supplies.
It integrates EMI/RFI filters on both input pins, achieves 120dB CMRR at DC, and delivers ±75mA output drive into capacitive loads up to 1000pF-enabling direct interface with ADC drivers and active filters without external isolation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-bandwidth product | 4.5MHz - enables stable unity-gain buffer or G=10 amplification up to 450kHz without phase margin loss. |
| Slew rate | 21V/µs - supports fast transient response in motor current feedback loops with <2.5µs 0.01% settling time. |
| Input offset voltage | ±125µV (typ) - ensures ≤0.00125% error in 10V full-scale shunt-based current measurement. |
| Input voltage noise density | 10.8nV/√Hz at 1kHz - preserves SNR in low-level sensor interfaces such as Hall-effect or thermopile outputs. |
| Quiescent current | 560µA per amplifier - allows continuous operation in always-on ADAS modules with minimal battery drain. |
| EMI rejection ratio | ≥60dB at 400MHz - mitigates interference from cellular/WiFi transceivers in infotainment head units. |
| Operating temperature | –40°C to +125°C (Grade 1) - qualified for under-hood placement in powertrain and OBC applications. |
Pinout & Package
TLV9151QDBVRQ1 is packaged in a 5-pin SOT-23 (DBV) footprint measuring 2.9mm × 2.8mm, optimized for space-constrained automotive PCB layouts and compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: OUT | Output | Amplifier output capable of sourcing/sinking ±75mA; rail-to-rail swing within 5mV of supply rails at no load. |
| 2: V– | Negative supply | Lowest potential supply rail; accepts ground or negative voltage down to –8V in split-supply configurations. |
| 3: IN+ | Noninverting input | High-impedance CMOS node with ±10pA bias current; supports precision differential sensing with matched trace routing. |
| 4: IN– | Inverting input | Differential input node with identical impedance to IN+; used for feedback network connection in transimpedance or difference amplifier topologies. |
| 5: V+ | Positive supply | Highest potential supply rail; operates from 2.7V to 16V single-ended or ±1.35V to ±8V dual supply. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full dynamic range utilization in low-voltage systems (e.g., 3.3V ADC reference) without level-shifting circuitry. |
| AEC-Q100 Grade 1 qualification | Validated for automotive ambient temperatures from –40°C to +125°C with HBM ESD rating of ±2kV and CDM rating of ±1kV. |
| Integrated EMI/RFI filters | Reduces susceptibility to 400MHz–1GHz emissions from wireless modules, eliminating need for external RC filtering on inputs. |
| Low offset drift | ±0.3µV/°C ensures <0.5µV total drift over full temperature range-critical for uncalibrated current-sense accuracy in OBCs. |
| Shutdown mode | Reduces quiescent current to 30–45µA when SHDN pin is pulled high; tON = 8µs enables rapid wake-up in duty-cycled ADAS subsystems. |
Applications
| Infotainment Audio Preamp | HEV/EV Inverter Current Sensing |
|---|---|
|
Use Scenario: Amplifying low-level analog audio signals from microphone arrays in automotive head units before ADC conversion. IC Role / Device Role / Timing Role: Precision DC-coupled preamplifier with rail-to-rail input to preserve signal integrity across 0–3.3V ADC input range. Use Value: 10.8nV/√Hz input noise and 120dB CMRR prevent RF ingress from nearby Bluetooth/WiFi antennas from corrupting audio fidelity. |
Use Scenario: High-side shunt-based current monitoring in traction inverter gate driver stages. IC Role / Device Role / Timing Role: High-speed, low-drift difference amplifier converting mV-level shunt voltage to 0–3.3V ADC-compatible output. Use Value: ±125µV offset and ±0.3µV/°C drift ensure ≤0.25% current measurement error over full drivetrain temperature range. |
| ADAS Radar Signal Conditioning | On-Board Charger Voltage Reference Buffer |
|
Use Scenario: Conditioning IF signals from 77GHz radar receivers prior to digitization in sensor fusion ECUs. IC Role / Device Role / Timing Role: Low-noise, wide-bandwidth buffer isolating sensitive RF front-end from digital switching noise. Use Value: 4.5MHz GBW and 21V/µs slew rate support accurate reproduction of pulsed radar waveforms up to 450kHz baseband. |
Use Scenario: Buffering precision voltage references for isolated DC-DC controllers in bidirectional OBCs. IC Role / Device Role / Timing Role: Unity-gain stable buffer delivering low-output-impedance reference to PWM modulators. Use Value: 560µA quiescent current and rail-to-rail output enable stable 2.5V reference delivery even during 12V battery brownouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA391QDBVRQ1 | Lower offset (±12µV typ), lower noise (6.5nV/√Hz), but 1.2MHz GBW and no integrated EMI filters. | Better for ultra-low-offset DC sensing; unsuitable for high-frequency radar IF buffering or noisy infotainment environments. | Select when sub-µV offset dominates over bandwidth and EMI immunity requirements. |
| LM7332QMA/NOPB | Higher supply current (1.3mA), wider supply range (±16V), but no AEC-Q100 qualification or EMI filtering. | Acceptable for non-safety-critical body electronics; not approved for powertrain or ADAS use cases. | Choose only for legacy industrial designs where automotive qualification is not mandated. |
Compared with OPA391QDBVRQ1 and LM7332QMA/NOPB, TLV9151QDBVRQ1 uniquely balances AEC-Q100 Grade 1 compliance, 4.5MHz bandwidth, integrated EMI protection, and 560µA quiescent current-making it optimal for cost-sensitive, safety-aware automotive signal chains requiring both speed and robustness.
Availability
TLV9151QDBVRQ1 is available at Aetrix Electronics and suitable for HEV/EV inverter control, ADAS radar signal conditioning, infotainment audio preamplification, and on-board charger reference buffering requiring stable component supply across extended automotive temperature ranges.
Supply support for TLV9151QDBVRQ1 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 company specializing in analog and embedded processing technologies, with leadership in automotive-grade ICs and functional safety-certified design flows.
The TLV915x-Q1 family was developed specifically for AEC-Q100 Grade 1 automotive signal conditioning-targeting high-accuracy current/voltage sensing, sensor interfacing, and active filtering in powertrain, ADAS, and electrification systems.
FAQ
What is the maximum capacitive load drive capability of TLV9151QDBVRQ1?
The TLV9151QDBVRQ1 drives up to 1000pF capacitive loads while maintaining stability and specified phase margin, as confirmed in Figure 5-29 of the datasheet. This eliminates the need for external isolation resistors in ADC driver or filter applications, reducing component count and board area in compact automotive modules.
Does TLV9151QDBVRQ1 support single-supply operation?
Yes, TLV9151QDBVRQ1 operates from a single 2.7V to 16V supply, with rail-to-rail input and output enabling full utilization of the supply range. Its input common-mode range extends from (V–) – 0.1 V to (V+) + 0.1 V, allowing direct interface with sensors referenced to ground or mid-supply in 3.3V or 5V systems.
How does the EMI rejection performance of TLV9151QDBVRQ1 compare to standard op amps?
TLV9151QDBVRQ1 integrates dedicated EMI/RFI filters on both input pins, achieving ≥60dB EMIRR at 400MHz and >40dB up to 1GHz-significantly exceeding unfiltered op amps like LM7332. This reduces susceptibility to cellular, WiFi, and Bluetooth interference in densely packed automotive ECUs without external filtering components.
What is the typical shutdown current consumption of TLV9151QDBVRQ1?
In shutdown mode (SHDN pin pulled high), TLV9151QDBVRQ1 draws 30–45µA quiescent current, as specified in Section 5.7 of the datasheet. This ultra-low standby current supports energy-efficient duty-cycled operation in always-on ADAS camera or radar modules without compromising system-level power budgets.
Is TLV9151QDBVRQ1 pin-compatible with other members of the TLV915x-Q1 family?
No-TLV9151QDBVRQ1 (single-channel, 5-pin SOT-23) has a different pinout and package than TLV9152QDRQ1 (dual, 8-pin SOIC) or TLV9154QPWRQ1 (quad, 14-pin TSSOP). Each variant uses distinct pin assignments and thermal footprints; PCB layout must be tailored to the specific channel count and package selected.
TLV9151QDBVRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Push-Pull, 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
- Current - Output / Channel:
- 75 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
TLV9151QDBVRQ1 FAQ
1.How can I place an order for TLV9151QDBVRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV9151QDBVRQ1 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 TLV9151QDBVRQ1 reliable?
The price and inventory of TLV9151QDBVRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV9151QDBVRQ1 is usually 5 days.
3.What payment methods are accepted for TLV9151QDBVRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV9151QDBVRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV9151QDBVRQ1?
TLV9151QDBVRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV9151QDBVRQ1 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 TLV9151QDBVRQ1?
For technical support, including TLV9151QDBVRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV9151QDBVRQ1 requirements.
6.How does Aetrix verify that TLV9151QDBVRQ1 is sourced from the original manufacturer or authorized distributors?
All TLV9151QDBVRQ1 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 TLV9151QDBVRQ1 meets industry standards.
7.What is the process for return or replacement of TLV9151QDBVRQ1?
All TLV9151QDBVRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TLV9151QDBVRQ1, 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 TLV9151QDBVRQ1 part is unused and in its original packaging.
Return procedure for TLV9151QDBVRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLV9151QDBVRQ1 Tags
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LM358DT
STMicroelectronics
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LM358DR
Texas Instruments
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LM2904DR
Texas Instruments
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LM358ADR
Texas Instruments
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LM2904DGKR
Texas Instruments
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LM324DR
Texas Instruments
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MCP6006T-E/OT
Microchip Technology
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MCP6006UT-E/OT
Microchip Technology
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LM324PWR
Texas Instruments
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LM2902PWR
Texas Instruments
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LM2902DR
Texas Instruments
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LM358P
Texas Instruments
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