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Texas Instruments LPV324MTX
- Part No.:
- LPV324MTX
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
LPV324MTX.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,617
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Product details
Overview
LPV324MTX from Texas Instruments is a quad-channel, rail-to-rail output, micropower operational amplifier optimized for low-voltage (2.7 V to 5 V), battery-powered applications. It delivers 152 kHz gain-bandwidth product, 28 µA total supply current (all four channels), −40°C to +85°C industrial temperature range, and rail-to-rail output swing of V+ −3.5 mV / V− + 90 mV at 100 kΩ load - enabling precision signal conditioning in portable medical sensors and handheld instrumentation.
For engineers reviewing the LPV324MTX datasheet, LPV324MTX pinout, LPV324MTX application, or LPV324MTX equivalent, key selection criteria include its verified 28 µA quad-channel supply current, guaranteed rail-to-rail output at 2.7 V, input common-mode range extending to V− (ground-sensing), SOIC-14/TSSOP-14 package compatibility, and bipolar-input noise performance suitable for low-frequency sensor front-ends.
Technical Context
The LPV324MTX implements a bipolar-input, rail-to-rail output architecture built on TI's submicron BiCMOS process, delivering improved noise performance and higher output drive versus CMOS-only micropower op-amps. Its input stage supports common-mode voltages from −0.2 V to V+ − 0.8 V, enabling true ground-referenced sensing in single-supply systems.
It operates stably with capacitive loads up to 200 pF in unity-gain configuration and achieves 0.1 V/µs slew rate at 5 V - sufficient for DC-coupled active filters, difference amplifiers, and three-op-amp instrumentation circuits without oscillation or excessive settling error.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | Quad - enables multi-sensor signal conditioning or multi-stage filtering in one package, reducing board area vs discrete singles/duals. |
| Supply Voltage Range | 2.7 V to 5 V - supports full operation across lithium coin-cell (3 V) and Li-ion (3.7 V nominal) battery discharge curves. |
| Supply Current (Total) | 28 µA (typ) at 25°C, 42 µA (max) at 25°C - extends battery life in always-on wearable sensors and IoT edge nodes. |
| Gain-Bandwidth Product | 152 kHz at 5 V - provides stable AC response for <5 kHz sensor signals (e.g., ECG, temperature, pressure) with adequate phase margin. |
| Rail-to-Rail Output Swing | V+ −3.5 mV / V− + 90 mV at 100 kΩ - maximizes dynamic range in low-voltage ADC interfaces, preserving >99% of full-scale resolution. |
| Input Common-Mode Range | −0.2 V to V+ − 0.8 V - allows direct connection of transducer outputs referenced to ground or negative bias rails. |
| Input Offset Voltage | 1.5 mV (max) at 25°C, 10 mV (max) over −40°C to +85°C - ensures <0.2% gain error in 12-bit precision measurement paths. |
Pinout & Package
LPV324MTX is available in SOIC-14 (8.65 mm × 3.91 mm) and TSSOP-14 (5.00 mm × 4.40 mm) packages. Both are surface-mount, lead-free, RoHS-compliant packages with standard JEDEC footprints.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Output of channel A - drives downstream ADC input or filter stage; rail-to-rail swing minimizes headroom loss. |
| 2 | IN− A | Inverting input of channel A - used in inverting amplifier, active filter, or difference amplifier configurations. |
| 3 | IN+ A | Noninverting input of channel A - accepts grounded or biased sensor signals; supports V− (GND) common-mode. |
| 4 | V− | Negative supply rail - connects to system ground in single-supply operation; must be low-impedance for stability. |
| 5 | IN+ B | Noninverting input of channel B - enables independent dual-sensor acquisition or differential pair processing. |
| 6 | IN− B | Inverting input of channel B - matches pin 2 functionality for channel B; supports matched resistor networks. |
| 7 | OUT B | Output of channel B - electrically isolated from OUT A; allows separate signal chains on same die. |
| 8 | V+ | Positive supply rail - powers all four channels; decoupling capacitor required within 1 cm of pin per layout guidelines. |
| 9 | IN− C | Inverting input of channel C - supports third signal path; pin-compatible with industry-standard quad op-amp layouts. |
| 10 | IN+ C | Noninverting input of channel C - maintains identical input structure as channels A/B for consistent design reuse. |
| 11 | OUT C | Output of channel C - shares V+ and V− rails but has independent output stage; no crosstalk under 100 kHz. |
| 12 | IN+ D | Noninverting input of channel D - completes quad set; enables four-channel data acquisition or multi-pole filtering. |
| 13 | IN− D | Inverting input of channel D - symmetric layout with pins 2, 6, 9 ensures matched parasitics across all channels. |
| 14 | OUT D | Output of channel D - fully specified rail-to-rail swing; validated for driving 100 kΩ loads without droop or distortion. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers V+ −3.5 mV / V− + 90 mV at 100 kΩ load - preserves maximum ADC input range in 3.3 V or lower systems. |
| Ground-sensing input | Input common-mode includes V− (0 V), enabling direct interface to bridge sensors, thermistors, or current-shunt amplifiers referenced to ground. |
| Micropower operation | 28 µA total supply current (all four channels) at 5 V - reduces quiescent power to <140 µW, critical for energy-harvesting designs. |
| Capacitive load tolerance | Stable with up to 200 pF in unity-gain follower - eliminates need for external isolation resistors in most sensor buffer applications. |
| Bipolar input stage | 1.7 nA typical input bias current (25°C) - enables high-impedance sensor interfacing with <0.2 mV error using 100 kΩ feedback networks. |
Applications
| Portable Medical Sensors | Handheld Test Equipment |
|---|---|
Use Scenario: Amplifying low-level biopotential signals (e.g., ECG, EMG) from dry electrodes in battery-powered wearables. IC Role / Device Role / Timing Role: Quad-channel LPV324MTX serves as simultaneous front-end amplifier, anti-alias filter, level shifter, and ADC driver - each channel dedicated to signal path, reference, filtering, and buffering. Use Value: 28 µA total supply current extends battery life beyond 1 week on a CR2032 cell; rail-to-rail output ensures full utilization of 12-bit ADC input range despite 3 V supply. |
Use Scenario: Signal conditioning in pocket-sized multimeters and LCR meters requiring multi-range voltage/current measurement. IC Role / Device Role / Timing Role: LPV324MTX implements programmable gain stages, offset nulling, and active low-pass filtering - one channel per measurement function (V, I, R, C). Use Value: Input common-mode down to V− allows direct connection to shunt resistors and Kelvin sense lines; 152 kHz GBW supports accurate RMS-to-DC conversion up to 5 kHz. |
| Industrial Process Monitoring | Smart Home Environmental Sensors |
Use Scenario: Conditioning analog outputs from 4–20 mA loop-powered transmitters in factory-floor temperature/pressure nodes. IC Role / Device Role / Timing Role: LPV324MTX acts as precision current-to-voltage converter, linearizer, fault-detection comparator, and output buffer - leveraging quad integration to replace four discrete op-amps. Use Value: Specified operation from −40°C to +85°C ensures reliability in uncontrolled environments; 10 mV max input offset limits measurement drift to <0.05% FS over temperature. |
Use Scenario: Signal amplification and filtering for CO₂, VOC, and humidity sensors in battery-operated air quality monitors. IC Role / Device Role / Timing Role: LPV324MTX performs low-noise pre-amplification, 1st-order active filtering, reference buffering, and ADC interface - all within 14-pin SOIC footprint. Use Value: Bipolar input stage delivers 146 nV/√Hz input voltage noise at 1 kHz - critical for resolving sub-ppm gas concentration changes; micropower mode enables 2-year battery life. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad micropower op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2464IDR | Higher supply current (125 µA/channel), wider GBW (6.4 MHz), rail-to-rail input/output - trades power for speed and input flexibility. | Preferred for higher-frequency sensor interfaces (>100 kHz) or where rail-to-rail input is mandatory; not suitable for ultra-low-power designs. | Select TLV2464IDR only when >1 MHz bandwidth or input rail-to-rail capability is required; LPV324MTX remains optimal for <10 kHz, <30 µA applications. |
| LMV324IDR | Higher supply current (210 µA/channel), lower GBW (1 MHz), rail-to-rail output only - lacks micropower advantage and ground-sensing input. | Suitable for cost-sensitive industrial controls where power is not constrained; cannot replace LPV324MTX in battery-powered designs. | Choose LMV324IDR for legacy designs needing pin compatibility with older LMV324; LPV324MTX is superior for new ultra-low-power implementations. |
Compared with TLV2464IDR and LMV324IDR, LPV324MTX uniquely balances sub-30 µA total supply current, verified rail-to-rail output, ground-sensing input, and 152 kHz bandwidth - making it the only qualified option for space-constrained, long-life battery applications requiring precision DC/low-frequency amplification.
Availability
LPV324MTX is available at Aetrix Electronics and suitable for portable medical sensors, handheld test equipment, industrial process monitoring, smart home environmental sensors, and battery-powered IoT edge nodes requiring stable component supply across extended production lifecycles.
Supply support for LPV324MTX 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 expertise in precision op-amp design and manufacturing.
The LPV324MTX belongs to TI's LPV3xx-N micropower op-amp family, engineered specifically for ultra-low-power, low-voltage signal conditioning in portable and battery-operated systems - prioritizing supply current efficiency, rail-to-rail output, and ground-referenced input capability.
FAQ
What is the maximum operating temperature range for LPV324MTX?
The LPV324MTX is specified for continuous operation from −40°C to +85°C ambient temperature. This industrial-grade range is validated across all electrical parameters including input offset voltage, supply current, and gain-bandwidth product - ensuring reliable performance in automotive cabin modules, factory-floor sensors, and outdoor IoT gateways where thermal cycling occurs.
Does LPV324MTX support single-supply operation?
Yes, LPV324MTX fully supports single-supply operation from 2.7 V to 5 V. Its input common-mode voltage range extends to V− (ground), and its rail-to-rail output swings within 3.5 mV of V+ and 90 mV of V− at 100 kΩ load - enabling direct interface with microcontrollers and ADCs powered from the same rail without level-shifting circuitry.
What package options are available for LPV324MTX?
LPV324MTX is offered in two standard surface-mount packages: SOIC-14 (8.65 mm × 3.91 mm) and TSSOP-14 (5.00 mm × 4.40 mm). Both packages share identical pinout and electrical specifications; TSSOP provides smaller footprint and lower profile for space-constrained PCBs, while SOIC offers easier manual soldering and higher thermal mass.
How does LPV324MTX handle capacitive loads?
LPV324MTX is stable driving up to 200 pF in unity-gain configuration without external compensation. This capacitive load tolerance eliminates the need for isolation resistors in most sensor buffer and ADC driver applications. For loads exceeding 200 pF, TI recommends adding a series isolation resistor (e.g., 100 Ω) between the output and capacitive node to maintain phase margin.
Is LPV324MTX pin-compatible with other quad op-amps?
LPV324MTX uses the industry-standard SOIC-14 and TSSOP-14 pinout for quad op-amps (pin 1 = OUT A, pin 2 = IN− A, ..., pin 14 = OUT D). It is pin-compatible with LMV324, TLV2464, and MCP6004 in these packages - though electrical parameters (supply current, GBW, input range) differ significantly, requiring validation in final circuit design.
LPV324MTX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.1V/µs
- Gain Bandwidth Product:
- 152 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 2 nA
- Voltage - Input Offset:
- 1.5 mV
- Current - Supply:
- 28µA (x4 Channels)
- Current - Output / Channel:
- 16 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-TSSOP
LPV324MTX FAQ
1.How can I place an order for LPV324MTX through Aetrix?
Please submit a Request for Quotation (RFQ) for LPV324MTX 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 LPV324MTX reliable?
The price and inventory of LPV324MTX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPV324MTX is usually 5 days.
3.What payment methods are accepted for LPV324MTX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPV324MTX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPV324MTX?
LPV324MTX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPV324MTX 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 LPV324MTX?
For technical support, including LPV324MTX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPV324MTX requirements.
6.How does Aetrix verify that LPV324MTX is sourced from the original manufacturer or authorized distributors?
All LPV324MTX 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 LPV324MTX meets industry standards.
7.What is the process for return or replacement of LPV324MTX?
All LPV324MTX units undergo pre-shipment inspection (PSI). If there is an issue with LPV324MTX, 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 LPV324MTX part is unused and in its original packaging.
Return procedure for LPV324MTX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LPV324MTX Tags
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