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Texas Instruments TLV9154QDRQ1
- Part No.:
- TLV9154QDRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV9154QDRQ1.pdf
- Description:
- AUTOMOTIVE-GRADE, QUAD, 16-V, 4.
- Quantity:
- Payment:
- Shipping:
Inventory:10,109
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Product details
Overview
TLV9154QDRQ1 from Texas Instruments is a quad-channel, AEC-Q100 Grade 1 automotive operational amplifier with rail-to-rail input/output, ±125 µV typical offset voltage, 4.5 MHz gain-bandwidth product, and 21 V/µs slew rate. It operates from 2.7 V to 16 V supply, delivers ±75 mA output current, and supports high-side/low-side current sensing in HEV/EV inverters and ADAS sensor signal conditioning.
For engineers reviewing the TLV9154QDRQ1 datasheet, TLV9154QDRQ1 pinout, TLV9154QDRQ1 application, or TLV9154QDRQ1 equivalent, key selection criteria include its AEC-Q100 qualification, low 10.8 nV/√Hz noise at 1 kHz, ±0.3 µV/°C offset drift, robust 120 dB CMRR, and EMI/RFI filtering on input pins for infotainment and powertrain systems.
Technical Context
The TLV9154QDRQ1 implements a precision bipolar-input op-amp architecture optimized for DC accuracy and dynamic performance across automotive temperature range (–40°C to +125°C). Its dual-pair input stage enables rail-to-rail common-mode operation from (V–) – 0.1 V to (V+) + 0.1 V and supports wide differential input voltage up to VS + 0.2 V.
Each of the four amplifiers integrates independent shutdown control, achieves 60° phase margin at unity gain with 20 pF load, and features EMI rejection ratio >70 dB across 10 MHz–1 GHz - critical for noise-sensitive ADAS and body electronics applications where RF coupling from wireless modules must be suppressed without external filtering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-bandwidth product | 4.5 MHz - enables stable closed-loop operation up to 100 kHz with G = 45, suitable for motor control loop compensation and battery monitoring filters. |
| Slew rate | 21 V/µs - supports fast transient response in current-sense amplifiers driving 10 kΩ loads with ≤2.5 µs settling to 0.01% for 10 V step. |
| Input offset voltage | ±125 µV (typ) - ensures ≤1.25 mV error in 100× gain current-sense circuits with 10 mΩ shunt, critical for ISO 26262 ASIL-B compliance. |
| Input voltage noise | 10.8 nV/√Hz at 1 kHz - maintains SNR >90 dB in 20 kHz bandwidth sensor interfaces, e.g., wheel speed or position sensing. |
| Common-mode rejection | 120 dB - rejects >100,000:1 of supply ripple and coupled noise in high-side sensing configurations with mismatched PCB traces. |
| Quiescent current | 560 µA per amplifier - allows four-channel operation at <2.3 mA total, enabling always-on diagnostics in body control modules without battery drain concerns. |
| EMI rejection ratio | >70 dB at 400 MHz - suppresses cellular band interference without ferrite beads, simplifying layout in compact infotainment head units. |
Pinout & Package
TLV9154QDRQ1 is packaged in a 14-pin SOIC (D package), 8.65 mm × 6 mm body size, with exposed pad not present. The device uses a single shared V+ and V– supply pair for all four channels.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 7, 8, 14 | OUT1, OUT2, OUT3, OUT4 | Amplifier outputs - each capable of ±75 mA sourcing/sinking; rail-to-rail swing within 10 mV of rails at no load (VS = 16 V). |
| 2, 6, 9, 13 | IN1–, IN2–, IN3–, IN4– | Inverting inputs - high-impedance (6 TΩ || 1 pF), low bias current (±10 pA) minimizes error in high-Z sensor interfaces. |
| 3, 5, 10, 12 | IN1+, IN2+, IN3+, IN4+ | Noninverting inputs - support common-mode range from (V–) – 0.1 V to (V+) + 0.1 V, enabling direct connection to shunt resistors in high-side sensing. |
| 4 | V+ | Positive supply terminal - accepts 2.7 V to 16 V; internal ESD protection clamps to rails with ±2 kV HBM rating. |
| 11 | V– | Negative supply terminal - referenced to system ground or negative rail; input pins diode-clamped to V– and V+. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for –40°C to +125°C ambient operation with full electrical characterization and reliability testing per automotive stress standards. |
| Rail-to-rail input and output | Enables direct interface to 0–5 V or 0–3.3 V microcontroller ADCs without level-shifting, reducing BOM count in cluster display drivers. |
| Integrated EMI/RFI filters | On-chip input filtering eliminates need for external RC networks in 400 MHz–2.4 GHz bands, cutting PCB area by ~12 mm² per channel in telematics modules. |
| Low offset drift | ±0.3 µV/°C ensures <0.5 mV total offset shift over full temperature range - critical for factory-calibrated torque sensors in EPS systems. |
| High output current | ±75 mA per channel drives capacitive loads up to 1000 pF directly, supporting active filter stages in OBC voltage regulation feedback loops. |
Applications
| Infotainment Audio Preamp | ADAS Radar Signal Conditioning |
|---|---|
Use Scenario: Amplifying low-level analog audio signals from microphone arrays in automotive head units before ADC sampling. IC Role / Device Role / Timing Role: Quad-channel precision op-amp providing gain, filtering, and DC biasing for four-channel beamforming microphones. Use Value: 10.8 nV/√Hz input noise and 120 dB CMRR preserve SNR >95 dB across 20 Hz–20 kHz, enabling voice command recognition in noisy cabin environments. | Use Scenario: Conditioning IF signals from 77 GHz radar receivers prior to digitization in blind-spot detection modules. IC Role / Device Role / Timing Role: Low-noise, high-speed amplifier in baseband signal chain with precise DC offset cancellation for Doppler shift measurement. Use Value: ±125 µV offset and ±0.3 µV/°C drift ensure <1.5 mV baseline error over vehicle lifetime, maintaining velocity resolution accuracy within ±0.2 km/h. |
| HEV/EV Inverter Current Sensing | Powertrain Battery Cell Monitoring |
Use Scenario: High-side and low-side current measurement using shunt resistors in traction inverter DC-link and phase legs. IC Role / Device Role / Timing Role: Four independent amplifiers configured as bidirectional current sense amplifiers with programmable gain and reference biasing. Use Value: Rail-to-rail input enables direct connection to shunts at 0 V or 800 V bus potentials; 21 V/µs slew rate captures fast IGBT switching transients without distortion. | Use Scenario: Precision voltage measurement of individual 3.2–4.2 V Li-ion cells in 96-cell battery packs for state-of-charge estimation. IC Role / Device Role / Timing Role: Quad op-amp used in multiplexed differential sensing front-end with programmable gain and offset correction per cell string. Use Value: 4.5 MHz GBW supports 100 kSPS sampling with <0.01% linearity error; ±125 µV offset contributes <0.004% full-scale error in 50 mV cell voltage differential measurements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA4197QDGQRQ1 | Higher 10 MHz GBW, lower 5.5 nV/√Hz noise, but higher 750 µA IQ and no integrated EMI filters. | Better for wideband sensor excitation; less suitable for RF-dense infotainment zones without added board-level filtering. | Choose when bandwidth >6 MHz is required and EMI environment is controlled. |
| LMV881QDGSRQ1 | Lower 1.2 MHz GBW, higher 25 nV/√Hz noise, 120 µA IQ, and no AEC-Q100 Grade 1 rating (only Grade 2). | Limited to non-safety-critical body electronics; insufficient for ASIL-B current sensing or radar signal chains. | Choose only for cost-sensitive, low-performance interior lighting or HVAC control. |
Compared with OPA4197QDGQRQ1 and LMV881QDGSRQ1, TLV9154QDRQ1 delivers optimal balance of 4.5 MHz bandwidth, ultra-low drift, and certified EMI immunity - making it the preferred choice for ADAS, powertrain, and infotainment subsystems requiring AEC-Q100 Grade 1 compliance without design compromises.
Availability
TLV9154QDRQ1 is available at Aetrix Electronics and suitable for HEV/EV inverter control, ADAS radar signal conditioning, and automotive infotainment audio preamplification requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLV9154QDRQ1 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 solutions.
The TLV915x-Q1 product line was designed specifically for AEC-Q100 Grade 1 automotive applications demanding precision, low noise, and robust EMI immunity - targeting current sensing, sensor signal conditioning, and powertrain control systems.
FAQ
What is the operating temperature range for TLV9154QDRQ1?
TLV9154QDRQ1 is qualified for AEC-Q100 Grade 1 operation from –40°C to +125°C ambient temperature. All electrical specifications - including offset voltage, CMRR, and GBW - are guaranteed across this full range, enabling use in engine bay, powertrain, and under-hood modules without derating.
Does TLV9154QDRQ1 support rail-to-rail input and output simultaneously?
Yes, TLV9154QDRQ1 supports true rail-to-rail input (common-mode range from V– – 0.1 V to V+ + 0.1 V) and rail-to-rail output (swing within 10 mV of rails at no load). This allows direct interfacing with shunt resistors in high-side sensing and seamless connection to 3.3 V or 5 V microcontroller ADCs without external level-shifting circuitry.
What is the maximum capacitive load TLV9154QDRQ1 can drive stably?
TLV9154QDRQ1 is characterized to drive up to 1000 pF capacitive load while maintaining ≥60° phase margin at unity gain. For loads >200 pF, adding a small series isolation resistor (e.g., 10–50 Ω) between output and capacitance improves stability without degrading bandwidth in motor control feedback paths.
How does the EMI rejection capability of TLV9154QDRQ1 benefit automotive designs?
TLV9154QDRQ1 integrates on-die EMI/RFI filters that provide >70 dB rejection at 400 MHz and 2.4 GHz - eliminating need for external RC filters in infotainment and telematics modules. This reduces PCB area, component count, and layout sensitivity to RF coupling from Bluetooth/Wi-Fi antennas and cellular modems.
Is TLV9154QDRQ1 pin-compatible with other devices in the TLV915x-Q1 family?
No - TLV9154QDRQ1 (14-pin SOIC) is not pin-compatible with TLV9151-Q1 (5-pin SOT-23) or TLV9152-Q1 (8-pin SOIC/TSSOP). Pin functions are consistent across the family (e.g., IN+, IN–, OUT, V+, V–), but channel count and package footprint differ. Migration requires PCB layout revision and schematic updates.
TLV9154QDRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Push-Pull, Rail-to-Rail
- Slew Rate:
- 21V/µs
- Gain Bandwidth Product:
- 4.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 10 nA
- 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):
- 16 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
TLV9154QDRQ1 FAQ
1.How can I place an order for TLV9154QDRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV9154QDRQ1 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 TLV9154QDRQ1 reliable?
The price and inventory of TLV9154QDRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV9154QDRQ1 is usually 5 days.
3.What payment methods are accepted for TLV9154QDRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV9154QDRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV9154QDRQ1?
TLV9154QDRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV9154QDRQ1 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 TLV9154QDRQ1?
For technical support, including TLV9154QDRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV9154QDRQ1 requirements.
6.How does Aetrix verify that TLV9154QDRQ1 is sourced from the original manufacturer or authorized distributors?
All TLV9154QDRQ1 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 TLV9154QDRQ1 meets industry standards.
7.What is the process for return or replacement of TLV9154QDRQ1?
All TLV9154QDRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TLV9154QDRQ1, 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 TLV9154QDRQ1 part is unused and in its original packaging.
Return procedure for TLV9154QDRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLV9154QDRQ1 Tags
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LM358DT
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LM358DR
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MCP6006T-E/OT
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MCP6006UT-E/OT
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