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Texas Instruments LPV358DRE4
- Part No.:
- LPV358DRE4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LPV358DRE4.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,062
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Product details
Overview
LPV358DRE4 from Texas Instruments is a dual, rail-to-rail output, low-voltage (2.7 V to 5 V), low-power operational amplifier with 152 kHz gain-bandwidth product, 15 μA typical supply current per channel at 5 V, and input common-mode range extending to −0.2 V below VCC− - enabling ground-sensing in single-supply systems. It operates across −40°C to 85°C and is used in battery-powered sensor signal conditioning and portable medical device front-ends.
For engineers reviewing the LPV358DRE4 datasheet, LPV358DRE4 pinout, LPV358DRE4 application, or LPV358DRE4 equivalent, key selection criteria include its rail-to-rail output swing (VCC+ − 3.5 mV / VCC− + 90 mV at 100 kΩ), stable operation with 1000 pF capacitive load, and guaranteed performance at 2.7 V - critical for ultra-low-power analog signal chains.
Technical Context
The LPV358DRE4 implements a CMOS input stage with rail-to-rail output stage using complementary push-pull drivers, supporting full-swing operation into high-impedance loads. Its internal biasing enables stable quiescent current across 2.7–5 V supply range and −40°C to 85°C ambient.
It features no crossover distortion, 70 dB minimum CMRR at 25°C, and phase margin ≥71° with 22 pF load - confirming unity-gain stability without external compensation. Input offset voltage is specified up to 10 mV over temperature, and ESD protection exceeds 2 kV HBM.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 5 V - supports direct integration into Li-ion (3.0–3.7 V) and 3.3 V logic systems without regulation. |
| Gain-Bandwidth Product | 152 kHz - sufficient for DC-coupled sensor amplification, active filtering below 10 kHz, and slow-settling precision applications. |
| Supply Current (per channel) | 15 μA at 5 V - enables multi-channel monitoring in energy-harvesting or coin-cell-powered devices with years of battery life. |
| Rail-to-Rail Output Swing | VCC+ − 3.5 mV / VCC− + 90 mV at 100 kΩ - delivers >99% of full-scale dynamic range for ADC interfacing with minimal headroom loss. |
| Input Common-Mode Range | −0.2 V to VCC+ − 0.8 V - allows input signals down to 200 mV below ground, enabling true single-supply transducer interfacing. |
| Stable Capacitive Load | Up to 1000 pF - eliminates need for isolation resistors when driving ADC inputs or long PCB traces directly. |
Pinout & Package
LPV358DRE4 is housed in an 8-pin SOIC (D) package, 3.9 mm × 4.9 mm, with standard JEDEC MS-012AC footprint and RoHS-compliant NiPdAu lead finish. Moisture Sensitivity Level is 1 (unlimited floor life at ≤30°C/60% RH).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Output A | Amplifier A output - drives external load or next-stage input; rail-to-rail swing supports full utilization of downstream ADC reference. |
| 2 | Inverting Input A | High-impedance node (IIB = 2 nA typ) for feedback network connection; compatible with high-value resistors to minimize power. |
| 3 | Non-Inverting Input A | Accepts low-level sensor signals (e.g., thermistor, bridge) with common-mode range including ground - no level-shifting required. |
| 4 | VCC− | Ground reference pin - must be connected to system GND; shared return path for both amplifiers and output stages. |
| 5 | Non-Inverting Input B | Second independent input channel - enables dual-sensor readout (e.g., differential pair + reference) on single IC. |
| 6 | Inverting Input B | Feedback node for amplifier B - supports independent gain configuration without crosstalk (crosstalk rejection >100 dB @ 1 kHz). |
| 7 | Output B | Amplifier B output - electrically isolated from Output A; usable for parallel signal paths or redundancy. |
| 8 | VCC+ | Positive supply pin - accepts 2.7–5 V; internal regulation ensures consistent biasing across voltage and temperature. |
Key Features
| Feature | Design Value |
|---|---|
| No Crossover Distortion | Eliminates 2nd-harmonic artifacts in audio and precision DC-coupled paths - verified across full output swing and temperature. |
| Latch-Up Immunity | Exceeds 100 mA per JESD 78 Class II - prevents destructive failure during transient overvoltage or hot-insertion events. |
| Low Input Bias Current | 2 nA typical at 25°C - preserves signal integrity with high-impedance sources (e.g., pH electrodes, piezoelectric sensors). |
| ESD Robustness | 2000-V HBM, 200-V MM, 1000-V CDM - reduces field failure risk in manual assembly and end-equipment handling. |
| Unity-Gain Stable | Guaranteed phase margin ≥71° with CL = 22 pF - enables direct use in voltage-follower configurations without compensation. |
Applications
| Portable ECG Front-End | IoT Environmental Sensor Hub |
|---|---|
|
Use Scenario: Amplifying microvolt-level biopotential signals from dry electrodes in wearable heart-rate monitors. IC Role / Device Role / Timing Role: Dual-channel instrumentation amplifier core - Channel A for lead-I differential, Channel B for right-leg drive feedback. Use Value: Rail-to-rail output swing maximizes SNR into 12-bit SAR ADC; 15 μA/channel current extends battery life beyond 1 year on CR2032. |
Use Scenario: Conditioning outputs from multiple MEMS temperature/humidity/pressure sensors in smart agriculture nodes. IC Role / Device Role / Timing Role: Signal conditioner and buffer - each LPV358DRE4 handles two sensor channels with programmable gain via external resistors. Use Value: Input common-mode range to −0.2 V enables direct connection to ratiometric sensors powered from same 3.3 V rail - no level-shifters needed. |
| Low-Power Data Logger | Industrial 4–20 mA Loop Receiver |
|
Use Scenario: Battery-operated vibration and temperature logging in remote industrial assets with 10-year deployment target. IC Role / Device Role / Timing Role: Low-noise preamplifier and anti-alias filter driver - configured as Sallen-Key low-pass with 10 kHz cutoff. Use Value: 146 nV/√Hz input noise at 1 kHz and 152 kHz GBW ensure <1 LSB error in 16-bit ADC digitization of sub-100 Hz mechanical signals. |
Use Scenario: Converting 4–20 mA loop current to ground-referenced voltage for PLC analog inputs in hazardous locations. IC Role / Device Role / Timing Role: Precision I-to-V converter and buffer - Channel A converts loop current; Channel B buffers for isolation amplifier input. Use Value: Guaranteed 10 mV max input offset over −40°C to 85°C ensures <0.1% FSR error across operating temperature without calibration. |
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 |
|---|---|---|---|
| LMV358DR | Higher supply current (80 μA/channel), wider input common-mode (to VCC+), but no guaranteed 2.7 V operation. | Better for 5 V systems requiring higher drive strength; unsuitable for sub-3 V battery operation. | Select LMV358DR only if supply ≥4.5 V and higher bandwidth (1 MHz) is required - not drop-in for LPV358DRE4. |
| TLV2372IDR | Lower input offset (3 mV max), lower noise (33 nV/√Hz), but higher supply current (55 μA/channel) and narrower temp range (−40°C to 125°C). | Preferred for precision sensor interfaces where offset drift dominates error budget; less optimal for ultra-low-power designs. | Choose TLV2372IDR when offset accuracy outweighs current consumption - requires layout review due to different pinout (SOIC-8, but pin 1 = OUT A, pin 2 = IN− A). |
Compared with LMV358DR and TLV2372IDR, the LPV358DRE4 uniquely balances sub-20 μA/channel current, guaranteed 2.7 V functionality, and rail-to-rail output - making it the only option among the three qualified for coin-cell-powered, ground-sensing, long-life applications.
Availability
LPV358DRE4 is available at Aetrix Electronics and suitable for portable medical devices, IoT environmental sensors, and low-power data loggers requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for LPV358DRE4 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 amplifiers and low-power design.
The LPV3xx family was engineered specifically for cost-sensitive, space-constrained, battery-operated applications demanding rail-to-rail output, ground-sensing capability, and sub-20 μA quiescent current - targeting wearables, sensor nodes, and portable instrumentation.
FAQ
What is the maximum operating temperature range for LPV358DRE4?
The LPV358DRE4 is characterized for operation from −40°C to +85°C. This rating is guaranteed per the datasheet's recommended operating conditions and applies to all electrical specifications unless otherwise noted. The extended-grade variant LPV358IDRE4 supports −40°C to +125°C, but LPV358DRE4 itself is rated only to 85°C.
Does LPV358DRE4 support true rail-to-rail input?
No, LPV358DRE4 does not support rail-to-rail input. Its input common-mode voltage range is specified as −0.2 V to VCC+ − 0.8 V, meaning it accepts signals down to 200 mV below ground but cannot swing fully to VCC+. However, its rail-to-rail output (VCC+ − 3.5 mV / VCC− + 90 mV) is fully functional at 100 kΩ load.
Can LPV358DRE4 drive a 1000 pF capacitive load without oscillation?
Yes, LPV358DRE4 is explicitly characterized for stability with up to 1000 pF capacitive load, as confirmed in Figure 14 and 15 of the datasheet. Its phase margin remains ≥60° at 5 V with 1000 pF, eliminating the need for series isolation resistors in ADC driver or cable-driving applications.
What is the typical input offset voltage for LPV358DRE4 at 25°C and 5 V supply?
The typical input offset voltage for LPV358DRE4 is 7 mV at 25°C and 5 V supply, with a maximum of 10 mV across the full −40°C to +85°C operating range. This value is measured per channel and is independent of output loading or gain configuration.
Is LPV358DRE4 pin-compatible with other dual op-amps in SOIC-8 packages?
LPV358DRE4 follows the industry-standard SOIC-8 dual op-amp pinout (pin 1 = OUT A, pin 2 = IN− A, pin 3 = IN+ A, pin 4 = V−, pin 5 = IN+ B, pin 6 = IN− B, pin 7 = OUT B, pin 8 = V+), matching LMV358, TLV2372, and MCP6022. However, absolute compatibility requires verification of electrical specs - e.g., TLV2372 has different input bias polarity and higher supply current.
LPV358DRE4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.1V/µs
- Gain Bandwidth Product:
- 237 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 2 nA
- Voltage - Input Offset:
- 1.5 mV
- Current - Supply:
- 15µA (x2 Channels)
- Current - Output / Channel:
- 72 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-SOIC
LPV358DRE4 FAQ
1.How can I place an order for LPV358DRE4 through Aetrix?
Please submit a Request for Quotation (RFQ) for LPV358DRE4 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 LPV358DRE4 reliable?
The price and inventory of LPV358DRE4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPV358DRE4 is usually 5 days.
3.What payment methods are accepted for LPV358DRE4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPV358DRE4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPV358DRE4?
LPV358DRE4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPV358DRE4 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 LPV358DRE4?
For technical support, including LPV358DRE4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPV358DRE4 requirements.
6.How does Aetrix verify that LPV358DRE4 is sourced from the original manufacturer or authorized distributors?
All LPV358DRE4 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 LPV358DRE4 meets industry standards.
7.What is the process for return or replacement of LPV358DRE4?
All LPV358DRE4 units undergo pre-shipment inspection (PSI). If there is an issue with LPV358DRE4, 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 LPV358DRE4 part is unused and in its original packaging.
Return procedure for LPV358DRE4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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