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Texas Instruments LPV358MMX/NOPB
- Part No.:
- LPV358MMX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LPV358MMX/NOPB.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:13,638
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Product details
Overview
LPV358MMX/NOPB from Texas Instruments is a dual-channel, micropower, rail-to-rail output operational amplifier optimized for low-voltage (2.7 V to 5 V), battery-powered applications. It delivers 152 kHz gain-bandwidth product, 15 µA total supply current (7.5 µA per channel), and rail-to-rail output swing within 3.5 mV of V+ and 90 mV of V− at 100 kΩ load - enabling high dynamic range in space-constrained portable sensor interfaces and signal conditioning circuits.
For engineers reviewing the LPV358MMX/NOPB datasheet, LPV358MMX/NOPB pinout, LPV358MMX/NOPB application, or LPV358MMX/NOPB equivalent, key selection criteria include micropower consumption under 20 µA, guaranteed rail-to-rail output performance at 2.7 V, industrial temperature range (−40°C to +85°C), bipolar input stage for low noise, and SOIC-8/VSSOP-8 package compatibility for legacy and compact designs.
Technical Context
The LPV358MMX/NOPB implements a bipolar-input, rail-to-rail output architecture with ground-sensing capability (VCM down to −0.2 V), enabling single-supply operation without level-shifting. Its 152 kHz GBWP and 0.1 V/µs slew rate are achieved at only 15 µA total quiescent current, reflecting an optimized speed-power trade-off for DC-coupled, low-frequency signal paths.
It supports capacitive loads up to 200 pF in unity-gain configuration without oscillation and features input bias current cancellation via matched external resistors. The device operates across 2.7 V–5 V supplies and maintains specified performance over −40°C to +85°C, with input offset voltage ≤10 mV and CMRR ≥50 dB across its common-mode range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 5 V - ensures full functionality across depleted alkaline or Li-ion battery discharge profiles. |
| Total Supply Current | 15 µA typical at 5 V - enables multi-year battery life in always-on sensor nodes and wearable devices. |
| Gain-Bandwidth Product | 152 kHz - supports stable closed-loop gain up to ~15 at 10 kHz for anti-aliasing and sensor amplification. |
| Rail-to-Rail Output Swing | V+ −3.5 mV / V− +90 mV at 100 kΩ - maximizes usable output voltage range in 3.3 V systems. |
| Input Common-Mode Range | −0.2 V to V+ −0.8 V - allows direct sensing of signals near ground in single-supply configurations. |
| Input Offset Voltage | 10 mV max over temperature - suitable for precision DC-coupled amplification where <1% error is acceptable. |
| Operating Temperature | −40°C to +85°C - qualified for industrial and automotive cabin ambient environments. |
Pinout & Package
LPV358MMX/NOPB is packaged in an 8-pin SOIC (D) or VSSOP (DGK) body measuring 4.90 mm × 3.91 mm (SOIC) or 3.00 mm × 3.00 mm (VSSOP). Both packages share identical pinout and electrical characteristics.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives external load; rail-to-rail capable with 16 mA short-circuit sourcing/sinking. |
| 2 | IN− A | Inverting input, channel A - connects to feedback network or inverting signal path. |
| 3 | IN+ A | Noninverting input, channel A - accepts reference, sensor, or buffered input signal. |
| 4 | V− | Negative supply rail - tied to GND in single-supply operation; must be stable and low-impedance. |
| 5 | IN+ B | Noninverting input, channel B - independent input for second signal path or differential pair. |
| 6 | IN− B | Inverting input, channel B - used for second amplifier's feedback or inverting configuration. |
| 7 | OUT B | Amplifier B output - electrically isolated from OUT A; shares same rail-to-rail swing specs. |
| 8 | V+ | Positive supply rail - powers both amplifiers; supports 2.7–5 V with no derating. |
Key Features
| Feature | Design Value |
|---|---|
| Micropower Operation | 15 µA total supply current enables >10-year battery life in coin-cell-powered IoT endpoints. |
| Rail-to-Rail Output | Output swings within 3.5 mV of V+ and 90 mV of V− at 100 kΩ - preserves full ADC input range in 3.3 V systems. |
| Ground-Sensing Input | Input common-mode extends to −0.2 V - eliminates need for negative bias in single-supply transducer interfaces. |
| Bipolar Input Stage | 1.7 nA typical input bias current at 25°C - enables high-impedance sensor interfacing with minimal offset error. |
| Capacitive Load Tolerance | Stable with up to 200 pF directly on output - simplifies driving LCD segments or long PCB traces without isolation resistors. |
Applications
| Portable Medical Sensors | Industrial Process Monitoring |
|---|---|
Use Scenario: Amplifying low-level analog outputs from thermistors, ECG electrodes, or pulse oximeter photodiodes in handheld diagnostic tools. IC Role / Device Role / Timing Role: Dual-channel signal conditioner providing DC-coupled gain and buffering before 12-bit SAR ADC sampling. Use Value: Micropower consumption extends battery runtime; rail-to-rail output ensures full utilization of 3.3 V ADC reference without clipping. |
Use Scenario: Signal conditioning for 4–20 mA loop-powered transmitters in factory automation and PLC I/O modules. IC Role / Device Role / Timing Role: Dual op-amp implementing current-to-voltage conversion and low-pass filtering for analog sensor inputs. Use Value: Guaranteed −40°C to +85°C operation ensures reliability in uncontrolled industrial enclosures; bipolar input minimizes thermal drift errors. |
| Smart Home Environmental Sensors | Wearable Fitness Trackers |
Use Scenario: Conditioning humidity, CO₂, and VOC sensor outputs in battery-operated air quality monitors. IC Role / Device Role / Timing Role: Dual amplifier performing offset correction and gain scaling prior to MCU ADC acquisition. Use Value: 2.7 V minimum supply enables operation down to end-of-life battery voltage; small SOIC-8 footprint fits dense sensor PCB layouts. |
Use Scenario: Amplifying accelerometer and gyroscope analog outputs in ultra-thin wrist-worn devices. IC Role / Device Role / Timing Role: Dual op-amp configured as instrumentation front-end and low-pass filter for motion signal chain. Use Value: VSSOP-8 variant reduces board area by 54% vs SOIC-8; rail-to-rail output avoids signal loss when interfacing with 1.8 V logic-level MCUs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual low-power op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2372IDR | Higher supply current (120 µA total), higher GBWP (3 MHz), but same SOIC-8 package and rail-to-rail I/O. | Better for higher-frequency active filters (>100 kHz); less suitable for multi-year battery life requirements. | Select when bandwidth >1 MHz is needed and power budget allows >8× higher quiescent current. |
| LMV358IDR | Higher supply current (220 µA total), wider supply range (2.7–5.5 V), but no guaranteed rail-to-rail output swing below 100 mV of rails. | Suitable for general-purpose amplification where output headroom >100 mV is acceptable. | Choose for cost-sensitive industrial controls where micropower is secondary to robustness and wide VCC margin. |
Compared with TLV2372IDR and LMV358IDR, LPV358MMX/NOPB uniquely balances sub-20 µA quiescent current, guaranteed rail-to-rail output, and −40°C to +85°C operation - making it the optimal choice for battery longevity and signal fidelity in compact, low-voltage embedded systems.
Availability
LPV358MMX/NOPB is available at Aetrix Electronics and suitable for portable medical sensors, industrial process monitoring, and smart home environmental sensors requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.
Supply support for LPV358MMX/NOPB 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, embedded processing, and connectivity technologies, with decades of expertise in precision op-amps and low-power signal chains.
LPV358MMX/NOPB belongs to TI's LPV3xx-N micropower op-amp family, designed specifically for cost-sensitive, battery-powered applications demanding rail-to-rail output, ground-sensing inputs, and ultra-low quiescent current in compact packages.
FAQ
What is the maximum capacitive load LPV358MMX/NOPB can drive without instability?
The LPV358MMX/NOPB is characterized for stable unity-gain operation with up to 200 pF of direct capacitive load. This specification applies across the full operating temperature and supply voltage range. For loads exceeding 200 pF, TI recommends using a series isolation resistor (e.g., 100 Ω–1 kΩ) between the output and capacitor to preserve phase margin. The LPV358MMX/NOPB datasheet Figure 37 provides a validated RC isolation circuit topology that maintains DC accuracy while extending capacitive drive capability.
Does LPV358MMX/NOPB support true single-supply operation with input signals at ground potential?
Yes. LPV358MMX/NOPB features an input common-mode voltage range extending to −0.2 V (below ground) and up to V+ −0.8 V, enabling direct interface with ground-referenced sensors such as thermistors or bridge transducers in single-supply configurations. Its bipolar input stage ensures stable biasing and low input bias current (1.7 nA typical) even at VCM = 0 V. No external level-shifting circuitry is required for ground-sensing applications.
What is the typical supply current of LPV358MMX/NOPB at 2.7 V and 25°C?
At 2.7 V supply and 25°C, the LPV358MMX/NOPB exhibits a typical total supply current of 8 µA - significantly lower than its 15 µA typical value at 5 V. This voltage-dependent reduction reflects its optimized micropower design, making it especially efficient in partially discharged battery conditions. The datasheet Table 6.5 confirms this value under "IS, LPV358-N, both amplifiers" test condition at 2.7 V.
Can LPV358MMX/NOPB replace LMV358 in existing designs without layout changes?
LPV358MMX/NOPB shares identical pinout, package dimensions (SOIC-8), and absolute maximum ratings with LMV358, enabling drop-in replacement in most cases. However, due to its lower supply current (15 µA vs 220 µA) and reduced output drive strength, verify stability with existing feedback networks and load conditions. Also confirm that the system's required GBWP (152 kHz vs LMV358's 1 MHz) and slew rate (0.1 V/µs vs 1 V/µs) meet application needs before substitution.
What is the input offset voltage specification for LPV358MMX/NOPB over temperature?
The LPV358MMX/NOPB has a maximum input offset voltage of 10 mV across the full industrial temperature range (−40°C to +85°C), as specified in the datasheet Table 6.7 under "VOS, TJ = –40°C to 85°C". At 25°C, the typical value is 1.5 mV, with a maximum of 7 mV. This parameter is critical for DC-coupled applications like sensor amplification, where offset contributes directly to measurement error.
LPV358MMX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- 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:
- 15µA (x2 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:
- 8-VSSOP
LPV358MMX/NOPB FAQ
1.How can I place an order for LPV358MMX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LPV358MMX/NOPB 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 LPV358MMX/NOPB reliable?
The price and inventory of LPV358MMX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPV358MMX/NOPB is usually 5 days.
3.What payment methods are accepted for LPV358MMX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPV358MMX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPV358MMX/NOPB?
LPV358MMX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPV358MMX/NOPB 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 LPV358MMX/NOPB?
For technical support, including LPV358MMX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPV358MMX/NOPB requirements.
6.How does Aetrix verify that LPV358MMX/NOPB is sourced from the original manufacturer or authorized distributors?
All LPV358MMX/NOPB 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 LPV358MMX/NOPB meets industry standards.
7.What is the process for return or replacement of LPV358MMX/NOPB?
All LPV358MMX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LPV358MMX/NOPB, 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 LPV358MMX/NOPB part is unused and in its original packaging.
Return procedure for LPV358MMX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LPV358MMX/NOPB Tags
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