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Texas Instruments LM2904AVQPWRG4Q1
- Part No.:
- LM2904AVQPWRG4Q1
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
LM2904AVQPWRG4Q1.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,570
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Product details
Overview
LM2904AVQPWRG4Q1 from Texas Instruments is an AEC-Q100 Grade 1 qualified dual operational amplifier for automotive systems, featuring 3 V to 36 V supply range, 300 µA per-channel quiescent current (typical), 1.2 MHz unity-gain bandwidth, and rail-to-rail output swing near ground-enabling direct battery-sensing and sensor signal conditioning in body electronics and eCall modules.
For engineers reviewing the LM2904AVQPWRG4Q1 datasheet, LM2904AVQPWRG4Q1 pinout, LM2904AVQPWRG4Q1 application, or LM2904AVQPWRG4Q1 equivalent, key selection criteria include automotive-grade ESD robustness (±2 kV HBM, ±1.5 kV CDM), integrated RF/EMI filtering, low input offset voltage (2 mV max at 25°C), and compatibility with single-supply operation down to 3 V.
Technical Context
The LM2904AVQPWRG4Q1 implements a dual high-voltage op-amp architecture optimized for automotive environments, with common-mode input range extending to ground and differential input voltage capability up to ±32 V. Its internal EMI/RF filter and functional safety documentation support simplify design in noisy powertrain and ADAS subsystems.
It operates across –40°C to +125°C ambient temperature, supports unity-gain stable configurations, and delivers 0.5 V/µs slew rate with 56° phase margin into 20 pF load-ensuring stability in sensor interface and feedback loop applications without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3 V to 36 V - enables direct connection to 12 V/24 V automotive batteries without regulation |
| Input Offset Voltage (max) | 2 mV at 25°C - ensures ≤20 mV error in 10× gain sensor amplification at room temperature |
| Quiescent Current / Channel | 300 µA typical - supports low-power always-on functions like door module wake-up detection |
| Unity-Gain Bandwidth | 1.2 MHz - sufficient for 100 kHz sensor signal conditioning and motor control loop feedback |
| Common-Mode Input Range | Includes ground (V–) - allows direct interfacing with grounded shunt resistors and thermistors |
| ESD Rating (HBM/CDM) | ±2000 V / ±1500 V - meets AEC-Q100-002/-011 for assembly-line and field reliability |
| Output Swing (V– side) | ≤20 mV above V– at 1 mA load - supports accurate zero-crossing detection in analog comparators |
Pinout & Package
TSSOP-8 package (3.00 mm × 4.40 mm), surface-mount, moisture-sensitive level 1 (MSL-1), RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT1) | Amplifier 1 output | Drives feedback network or next-stage input; capable of sourcing/sinking ±20 mA |
| 2 (IN1–) | Inverting input | Accepts feedback signal or inverted sensor input; high common-mode rejection |
| 3 (IN1+) | Non-inverting input | Receives reference or sensor signal; supports rail-to-ground common-mode range |
| 4 (V–) | Negative supply / ground | Reference node for single-supply operation; must be low-impedance path to system ground |
| 5 (IN2+) | Non-inverting input | Independent second channel input; identical electrical specs to IN1+ |
| 6 (IN2–) | Inverting input | Second channel feedback or differential input node; matched to IN1– |
| 7 (OUT2) | Amplifier 2 output | Independent output stage; no crosstalk with OUT1 under dc or 100 kHz conditions |
| 8 (V+) | Positive supply | Accepts up to 36 V; internal protection prevents latch-up during load-dump transients |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for –40°C to +125°C operation in engine bay and cabin modules |
| Integrated EMI/RF filter | Reduces susceptibility to GSM/AM/FM band noise without external ferrites or RC networks |
| Rail-to-rail output swing near ground | Enables full-scale ADC utilization in single-supply 3.3 V microcontroller interfaces |
| Low input bias current (±35 nA typ) | Minimizes voltage error in high-impedance pH or thermocouple sensor circuits |
| Functional safety documentation support | Provides FIT rate, failure mode analysis, and diagnostic coverage data for ISO 26262 ASIL-B systems |
Applications
| Automotive Body Control Module (BCM) | Electric Vehicle Battery Management System (BMS) |
|---|---|
Use Scenario: Monitoring door lock actuator current and window lift motor position via shunt resistor sensing. IC Role / Device Role / Timing Role: Dual op-amp configured as current-sense amplifier and comparator for overcurrent detection. Use Value: 2 mV max offset ensures <1% error in 100 mV shunt drop measurement; rail-to-ground input enables direct connection to low-side shunt. | Use Scenario: Cell voltage monitoring and thermal sensor signal conditioning in 48-cell EV battery packs. IC Role / Device Role / Timing Role: Precision buffer and gain stage for 12-bit SAR ADC inputs across multiple cell taps. Use Value: 300 µA/channel quiescent current minimizes self-heating in sealed BMS enclosures; 36 V rating supports direct connection to stacked cell strings. |
| eCall Emergency Telematics Unit | Automotive Head Unit Audio Interface |
Use Scenario: Microphone preamplification and crash sensor signal conditioning prior to MCU ADC sampling. IC Role / Device Role / Timing Role: Low-noise front-end amplifier with integrated EMI filtering for reliable voice capture in noisy cabin environments. Use Value: ±2 kV HBM ESD rating protects against static discharge during service; 1.2 MHz GBW preserves voice-band fidelity up to 4 kHz. | Use Scenario: Line-level signal buffering between DSP and analog audio codecs in infotainment head units. IC Role / Device Role / Timing Role: Unity-gain stable driver isolating sensitive DAC outputs from variable cable capacitance. Use Value: 56° phase margin ensures stability with up to 100 pF capacitive load; low THD+N (0.001%) preserves audio SNR. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM2904BQPWRQ1 | 3 mV max input offset (vs. 2 mV), otherwise identical specs and pinout | Suitable where 0.5 mV offset tolerance is acceptable for cost-sensitive BCM designs | Select when lower offset is not required and unit cost is primary constraint |
| TSV912IQDT | Higher 8 MHz GBW, 1.7 V to 5.5 V supply only, no AEC-Q100 qualification | Limited to low-voltage infotainment sub-circuits; not suitable for 12 V/24 V battery-connected nodes | Choose only for non-safety-critical, low-voltage signal chain stages outside main power domain |
Compared with LM2904BQPWRQ1, LM2904AVQPWRG4Q1 offers tighter offset for precision sensing; compared with TSV912IQDT, it provides automotive qualification and wide-supply operation but trades off bandwidth-making it optimal for robust, cost-efficient analog front-ends in harsh automotive environments.
Availability
LM2904AVQPWRG4Q1 is available at Aetrix Electronics and suitable for automotive lighting, body electronics, and telematics control unit applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LM2904AVQPWRG4Q1 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 deep expertise in automotive-grade IC design and manufacturing.
The LM2904-Q1 family was developed specifically for automotive signal conditioning, delivering AEC-Q100 qualified performance, integrated EMI resilience, and low-power operation for body, powertrain, and safety systems.
FAQ
What is the maximum supply voltage rating for LM2904AVQPWRG4Q1?
The LM2904AVQPWRG4Q1 supports a maximum supply voltage of 36 V across its V+ and V– terminals. This rating is validated per absolute maximum specifications and enables direct integration into 24 V commercial vehicle systems and 12 V passenger car architectures with margin for load-dump transients. Operation beyond 36 V risks permanent damage, and the device is not rated for sustained 40 V operation like some earlier LM2904-Q1 variants.
Does LM2904AVQPWRG4Q1 support rail-to-rail input operation?
No, LM2904AVQPWRG4Q1 does not support rail-to-rail input operation. Its common-mode input voltage range extends to the negative rail (V–) but stops 1.5 V below the positive rail (V+) at 3 V–36 V supply, and 2 V below V+ over full temperature range. This allows ground-referenced sensing but requires input signals to remain within (V–) to (V+ – 1.5 V) for linear operation-unlike true rail-to-rail input op-amps.
Is LM2904AVQPWRG4Q1 pin-compatible with standard LM2904-Q1 SOIC-8 packages?
Yes, LM2904AVQPWRG4Q1 uses the same 8-pin TSSOP footprint and pinout as LM2904-Q1 in SOIC-8 and TSSOP-8 packages. Pin assignments (OUT1, IN1–, IN1+, V–, IN2+, IN2–, OUT2, V+) are identical across all LM2904-Q1 family variants including LM2904AVQPWRG4Q1, LM2904BQPWRQ1, and LM2904QPWRQ1-enabling drop-in replacement on existing layouts when upgrading to the BA-grade offset performance.
What is the typical input offset voltage drift over temperature for LM2904AVQPWRG4Q1?
The LM2904AVQPWRG4Q1 exhibits a typical input offset voltage drift of ±3.5 µV/°C over the full –40°C to +125°C operating range, with a maximum of 12 µV/°C. This low drift ensures minimal calibration drift in automotive temperature cycling, supporting stable performance in engine control and battery monitoring applications where ambient temperature varies widely across vehicle life.
Can LM2904AVQPWRG4Q1 drive capacitive loads without oscillation?
Yes, LM2904AVQPWRG4Q1 is unity-gain stable and maintains ≥56° phase margin with up to 20 pF capacitive load at G = +1. For larger loads (e.g., >100 pF), external isolation resistance (≥100 Ω) is recommended between output and capacitor to preserve stability-verified in TI's Figure 7-27 (Phase Margin vs Capacitive Load). It is not designed for direct driving of long cables or unbuffered LCD segments without series damping.
LM2904AVQPWRG4Q1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 0.3V/µs
- Gain Bandwidth Product:
- 700 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 20 nA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 500µA (x2 Channels)
- Current - Output / Channel:
- 30 mA
- Voltage - Supply Span (Min):
- 3 V
- Voltage - Supply Span (Max):
- 26 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-TSSOP
LM2904AVQPWRG4Q1 FAQ
1.How can I place an order for LM2904AVQPWRG4Q1 through Aetrix?
Please submit a Request for Quotation (RFQ) for LM2904AVQPWRG4Q1 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 LM2904AVQPWRG4Q1 reliable?
The price and inventory of LM2904AVQPWRG4Q1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM2904AVQPWRG4Q1 is usually 5 days.
3.What payment methods are accepted for LM2904AVQPWRG4Q1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM2904AVQPWRG4Q1 transactions.
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4.How is shipping managed for LM2904AVQPWRG4Q1?
LM2904AVQPWRG4Q1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM2904AVQPWRG4Q1 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 LM2904AVQPWRG4Q1?
For technical support, including LM2904AVQPWRG4Q1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM2904AVQPWRG4Q1 requirements.
6.How does Aetrix verify that LM2904AVQPWRG4Q1 is sourced from the original manufacturer or authorized distributors?
All LM2904AVQPWRG4Q1 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 LM2904AVQPWRG4Q1 meets industry standards.
7.What is the process for return or replacement of LM2904AVQPWRG4Q1?
All LM2904AVQPWRG4Q1 units undergo pre-shipment inspection (PSI). If there is an issue with LM2904AVQPWRG4Q1, 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 LM2904AVQPWRG4Q1 part is unused and in its original packaging.
Return procedure for LM2904AVQPWRG4Q1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LM2904AVQPWRG4Q1 Tags
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