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Texas Instruments LMV324QPWR
- Part No.:
- LMV324QPWR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
LMV324QPWR.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:5,332
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Product details
Overview
LMV324QPWR from Texas Instruments is a quad rail-to-rail output operational amplifier optimized for low-voltage (2.7 V to 5.5 V) single-supply operation, delivering 1 MHz unity-gain bandwidth, 1 V/μs slew rate, and 410 μA typical supply current per device - used in signal conditioning, sensor interfacing, and portable audio front-ends.
For engineers reviewing the LMV324QPWR datasheet, LMV324QPWR pinout, LMV324QPWR application, or LMV324QPWR equivalent, key selection criteria include rail-to-rail output swing down to 60 mV from rails at 10 kΩ load, input offset voltage of 1.7–7 mV, –40°C to 125°C operating temperature range, and TSSOP-14 package compatibility with space-constrained industrial and consumer PCB layouts.
Technical Context
The LMV324QPWR implements a CMOS-input, rail-to-rail output op-amp architecture with common-mode input range extending to ground, enabling direct interfacing with low-voltage sensors and ADCs. Its internal biasing supports stable operation across 2.7 V to 5.5 V supplies without external level-shifting.
It features no crossover distortion due to complementary output stage design and maintains ≥50 dB CMRR over 0 V to 1.7 V (at 2.7 V supply) and 0 V to 4 V (at 5 V supply) common-mode range - critical for precision DC-coupled amplification in battery-powered systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 2.7 V to 5.5 V - enables direct integration into 3.3 V and 5 V logic domains without LDO regulation |
| Unity-Gain Bandwidth | 1 MHz - supports audio-band amplification and anti-aliasing filtering up to ~100 kHz closed-loop |
| Slew Rate | 1 V/μs - ensures <1% THD for 10 kHz sine waves at 1 VPP output swing |
| Input Offset Voltage | 1.7–7 mV (typ) - allows accurate DC-coupled gain stages for ±100 mV sensor signals |
| Output Swing | Within 60–180 mV of rails (RL = 10 kΩ) - maximizes dynamic range in single-supply 3.3 V systems |
| Supply Current | 410 μA typ (all four amps) - enables always-on monitoring in ultra-low-power IoT nodes |
| Operating Temperature | –40°C to +125°C - qualified for under-hood automotive and industrial motor control environments |
Pinout & Package
TSSOP-14 package (4.4 mm × 3.0 mm × 1.2 mm), 0.65 mm pitch, thermally enhanced for high-density routing and thermal dissipation in compact designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT A) | Amplifier A output | Rail-to-rail sourcing/sinking output capable of driving 2 kΩ loads to within 120 mV of VCC/GND |
| 2 (IN– A) | Amplifier A inverting input | High-impedance node (IIB = 11–250 nA) compatible with high-value feedback networks |
| 3 (IN+ A) | Amplifier A noninverting input | Accepts common-mode voltages from GND to VCC – 1.2 V at 2.7 V supply |
| 4 (GND) | Negative supply reference | System ground return path shared by all four amplifiers; requires low-impedance PCB plane |
| 5 (IN+ B) | Amplifier B noninverting input | Independent input channel; no crosstalk >90 dB at 1 kHz between adjacent amplifiers |
| 6 (IN– B) | Amplifier B inverting input | Matches Pin 2 electrical characteristics; supports matched resistor configurations for differential gain |
| 7 (OUT B) | Amplifier B output | Electrically identical to Pin 1; supports independent load driving without interaction |
| 8 (VCC+) | Positive supply | Single 2.7–5.5 V rail powers all four amplifiers; decoupling capacitor required within 5 mm |
| 9 (OUT C) | Amplifier C output | Third independent output; layout symmetry recommended to minimize thermal gradients across die |
| 10 (IN– C) | Amplifier C inverting input | Same input structure as Pins 2 and 6; validated for 125°C operation per TI SLOS263W Rev W |
| 11 (IN+ C) | Amplifier C noninverting input | Supports rail-to-rail input common-mode range; no phase reversal observed under overdrive |
| 12 (IN+ D) | Amplifier D noninverting input | Fourth channel input; matches AC/DC specs of other channels per datasheet Table 7.5–7.6 |
| 13 (IN– D) | Amplifier D inverting input | Validated for ESD robustness: 2000-V HBM, 1000-V CDM per JESD22-A114/A101 |
| 14 (OUT D) | Amplifier D output | Final output channel; full rail-to-rail swing maintained even with 100 pF capacitive load |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers >95% of full supply range at 10 kΩ load - eliminates need for dual supplies in analog front-ends |
| No crossover distortion | Enables clean amplification of low-amplitude AC signals (e.g., microphone preamps) without notch artifacts |
| Low quiescent current | 410 μA total for four op-amps - extends battery life in portable medical and sensor devices |
| Extended temperature range | –40°C to +125°C operation - supports deployment in automotive engine control and industrial PLC modules |
| ESD protection | 2000-V HBM / 1000-V CDM - reduces board-level protection component count in handheld electronics |
Applications
| Portable Audio Front-End | Sensor Signal Conditioning |
|---|---|
Use Scenario: Amplifying electret microphone output in Bluetooth earbuds with 3.3 V supply. IC Role / Device Role / Timing Role: Quad op-amp configured as two-stage gain block (x10 + x10) with AC-coupled inputs and rail-to-rail output driving codec ADC. Use Value: 1.7 mV input offset ensures <100 μV output error at 100x gain; 1 V/μs slew rate preserves 10 kHz audio fidelity. | Use Scenario: Conditioning thermistor and RTD signals in HVAC control panels. IC Role / Device Role / Timing Role: Instrumentation-grade buffer and difference amplifier for 0–100 mV bridge outputs, referenced to system GND. Use Value: Rail-to-rail input range includes GND, enabling direct connection to grounded-sensor bridges without level shifters. |
| Industrial Motor Control Feedback | Desktop PC Power Monitoring |
Use Scenario: Isolated current sensing in BLDC inverter gate drivers using shunt resistors. IC Role / Device Role / Timing Role: High-side current sense amplifier with gain of 20 V/V, rejecting common-mode transients up to 5 V. Use Value: 50 dB CMRR at 100 Hz ensures <5% error in 100 mA shunt measurements despite PWM noise coupling. | Use Scenario: Real-time voltage monitoring of +12 V, +5 V, and +3.3 V rails on ATX motherboards. IC Role / Device Role / Timing Role: Quad comparator-equivalent configuration (via open-loop op-amp use) for multi-rail power-good detection. Use Value: 125°C rating allows placement near VRMs; 410 μA supply current minimizes impact on standby power budget. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad rail-to-rail output op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMV324IPWR | Same electrical specs; SOIC-14 package (8.65 mm × 3.91 mm) - 2.9× larger footprint than TSSOP-14 | Preferred where manual soldering, higher thermal mass, or legacy board compatibility required | Select LMV324IPWR for through-hole prototyping or high-reliability industrial assemblies requiring wider creepage |
| MCP6004-E/ST | Lower supply current (100 μA/ch), but reduced GBW (1 MHz vs LMV324's 1 MHz), and narrower temp range (–40°C to 125°C same) | Better suited for always-on battery monitors; less ideal for audio or fast transient response | Choose MCP6004-E/ST when ultra-low power dominates over slew rate and output drive capability |
Compared with LMV324QPWR, LMV324IPWR offers identical performance in a larger SOIC package for easier assembly, while MCP6004-E/ST trades 4× lower supply current for reduced output drive and marginally lower CMRR - making LMV324QPWR optimal for space-constrained, mixed-signal applications demanding full rail-to-rail swing and 1 V/μs transient response.
Availability
LMV324QPWR is available at Aetrix Electronics and suitable for portable audio front-ends, industrial sensor interfaces, and desktop PC power monitoring requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LMV324QPWR 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 over 90 years of innovation in precision analog ICs.
The LMV3xx family was designed specifically for cost-sensitive, low-voltage (2.7–5.5 V) applications where rail-to-rail output swing, small footprint, and wide temperature operation are essential - targeting portable electronics, industrial controls, and automotive subsystems.
FAQ
What is the maximum supply voltage for LMV324QPWR?
The absolute maximum supply voltage for LMV324QPWR is 5.5 V. Operation beyond this risks permanent damage. The device is fully specified from 2.7 V to 5.5 V, with key parameters like input offset voltage, CMRR, and output swing validated across that range per TI SLOS263W Rev W Section 7.1 and 7.3.
Does LMV324QPWR support true rail-to-rail input?
LMV324QPWR supports rail-to-rail *output* swing but not rail-to-rail *input*. Its common-mode input voltage range extends to GND (0 V) but only up to VCC – 1.2 V at 2.7 V supply and VCC – 0.8 V at 5 V supply, as specified in Section 7.5 and 7.6 of the datasheet. Input signals must remain within VICR limits to maintain CMRR ≥50 dB.
Can LMV324QPWR drive capacitive loads?
Yes, LMV324QPWR can drive capacitive loads up to 1000 pF while maintaining stability, as confirmed by Figure 7 and Figure 8 in the datasheet. For loads >100 pF, a series resistor (typically 10–100 Ω) between output and load is recommended to isolate capacitance and preserve phase margin above 60°.
Is LMV324QPWR pin-compatible with LM324?
No, LMV324QPWR is not pin-compatible with LM324. While both are quad op-amps in 14-pin packages, LM324 uses DIP/SOIC-14 with different pin mapping (e.g., LM324 Pin 1 = OUT A, Pin 2 = IN– A, Pin 3 = IN+ A, Pin 4 = V–, Pin 5 = IN+ B, etc.), whereas LMV324QPWR follows TI's modern TSSOP-14 layout with GND on Pin 4 and VCC+ on Pin 8 - requiring PCB redesign for migration.
What is the thermal resistance (RθJA) of LMV324QPWR in TSSOP-14 package?
The junction-to-ambient thermal resistance (RθJA) for LMV324QPWR in TSSOP-14 (PW) package is 113°C/W, as listed in Section 7.4 of the datasheet. This value assumes standard JEDEC 2-layer board conditions; actual thermal performance improves with copper pour and thermal vias under the exposed pad (if present) - though PW package lacks an exposed thermal pad.
LMV324QPWR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 1V/µs
- Gain Bandwidth Product:
- 1 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 15 nA
- Voltage - Input Offset:
- 1.7 mV
- Current - Supply:
- 410µA (x4 Channels)
- Current - Output / Channel:
- 40 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-TSSOP
LMV324QPWR FAQ
1.How can I place an order for LMV324QPWR through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV324QPWR 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 LMV324QPWR reliable?
The price and inventory of LMV324QPWR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV324QPWR is usually 5 days.
3.What payment methods are accepted for LMV324QPWR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV324QPWR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV324QPWR?
LMV324QPWR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV324QPWR 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 LMV324QPWR?
For technical support, including LMV324QPWR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV324QPWR requirements.
6.How does Aetrix verify that LMV324QPWR is sourced from the original manufacturer or authorized distributors?
All LMV324QPWR 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 LMV324QPWR meets industry standards.
7.What is the process for return or replacement of LMV324QPWR?
All LMV324QPWR units undergo pre-shipment inspection (PSI). If there is an issue with LMV324QPWR, 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 LMV324QPWR part is unused and in its original packaging.
Return procedure for LMV324QPWR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LMV324QPWR 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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