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Texas Instruments LPV358DE4
- Part No.:
- LPV358DE4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LPV358DE4.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,888
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Product details
Overview
LPV358DE4 from Texas Instruments is a dual, rail-to-rail output, low-voltage (2.7 V to 5 V), low-power operational amplifier with 15 μA typical supply current per channel at 5 V, 152 kHz gain-bandwidth product, and input common-mode range extending to −0.2 V below ground - optimized for battery-powered sensor signal conditioning and portable medical instrumentation.
For engineers reviewing the LPV358DE4 datasheet, LPV358DE4 pinout, LPV358DE4 application, or LPV358DE4 equivalent, this page delivers verified electrical specs, SOIC-8 package terminal mapping, real-world use cases in low-power analog front-ends, and two validated alternative op-amps with documented functional trade-offs.
Technical Context
The LPV358DE4 integrates two independent amplifiers sharing a single 2.7–5 V supply, each featuring rail-to-rail output swing (within 3.5 mV of VCC+ and 90 mV above VCC− at 100 kΩ load) and an input common-mode voltage range of −0.2 V to VCC+ − 0.8 V. It achieves stability with capacitive loads up to 1000 pF without external compensation.
Its architecture eliminates crossover distortion and supports operation across −40°C to 85°C. Input bias current remains ≤50 nA (typical), and it exhibits 70 dB CMRR and 65 dB PSRR at 25°C - enabling precision DC-coupled amplification in space-constrained, low-noise systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 5 V - compatible with single-cell Li-ion and 3.3 V logic rails |
| Supply Current (per channel) | 15 μA typical at 5 V - enables multi-year battery life in always-on sensing nodes |
| Gain-Bandwidth Product | 152 kHz - sufficient for DC–10 kHz sensor signal amplification with stable unity-gain configuration |
| Rail-to-Rail Output Swing | VCC+ − 3.5 mV / VCC− + 90 mV at 100 kΩ - maximizes dynamic range in low-voltage ADC interfaces |
| Input Common-Mode Range | −0.2 V to VCC+ − 0.8 V - allows direct connection to grounded sensors without level-shifting circuitry |
| Input Offset Voltage | 7 mV typical - suitable for medium-precision applications such as thermistor or strain gauge amplification |
| Operating Temperature | −40°C to +85°C - qualified for industrial and consumer-grade embedded environments |
Pinout & Package
LPV358DE4 is housed in an 8-pin SOIC (D) package with standard 1.27 mm pitch, 3.91 mm width, and JEDEC MS-012AC footprint - compatible with automated SMT assembly and IPC-7351B land patterns.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives low-impedance loads up to 17 mA sourcing / 72 mA sinking |
| 2 | IN− A | Inverting input of Amplifier A - high-impedance node (≤50 nA bias current) for feedback network attachment |
| 3 | IN+ A | Non-inverting input of Amplifier A - accepts signals down to −0.2 V relative to VCC− |
| 4 | VCC− | Negative supply rail - connects to system ground in single-supply configurations |
| 5 | IN+ B | Non-inverting input of Amplifier B - electrically isolated from Amplifier A; shares same supply pins |
| 6 | IN− B | Inverting input of Amplifier B - supports independent feedback paths for dual-channel signal processing |
| 7 | OUT B | Amplifier B output - identical performance to Pin 1; enables dual-sensor or differential pair buffering |
| 8 | VCC+ | Positive supply rail - supplies both amplifiers; decoupling capacitor required within 1 cm |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Delivers full 0–5 V swing into 100 kΩ, preserving resolution when driving SAR or delta-sigma ADCs |
| Low quiescent current | 15 μA per channel enables >10-year battery life in coin-cell-powered IoT endpoints |
| Stable with 1000 pF load | Eliminates need for isolation resistors when driving long traces or capacitive touch interfaces |
| No crossover distortion | Ensures clean zero-crossing behavior in active filters and precision comparator reference buffers |
| ESD robustness | 2000-V HBM rating protects against handling damage during board assembly and field service |
Applications
| Portable ECG Front-End | Thermistor Signal Conditioning |
|---|---|
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 stage - first gain stage for differential lead I/II/III derivation. Use Value: Rail-to-rail output ensures maximum utilization of 12-bit ADC input range; low supply current extends wearable runtime beyond 7 days on CR2032. | Use Scenario: Linearizing and scaling NTC thermistor outputs in smart thermostats and HVAC controllers. IC Role / Device Role / Timing Role: Voltage follower and transimpedance amplifier - buffers high-impedance thermistor divider and rejects noise from shared power rails. Use Value: −0.2 V input capability allows direct grounding of thermistor leg; 7 mV offset introduces <±0.5°C error over 0–50°C range. |
| Low-Power Smoke Detector Analog Path | Industrial 4–20 mA Loop Receiver |
Use Scenario: Amplifying photodiode current from optical smoke chamber in battery-operated residential alarms. IC Role / Device Role / Timing Role: Transimpedance amplifier with programmable gain - converts pA-level photocurrent to measurable voltage while minimizing self-heating. Use Value: 50 nA max input bias current prevents signal corruption at high feedback resistances (>10 MΩ); 152 kHz GBW supports fast transient detection. | Use Scenario: Converting 4–20 mA loop current to 0–5 V for microcontroller ADC sampling in PLC I/O modules. IC Role / Device Role / Timing Role: Precision current-to-voltage converter - provides accurate, temperature-stable shunt voltage with minimal offset drift. Use Value: 65 dB PSRR suppresses supply ripple from noisy industrial 24 V rails; SOIC-8 package fits compact DIN-rail mount PCB layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-power, rail-to-rail output op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMV358DR | Higher supply current (180 μA/channel), wider GBW (1 MHz), same SOIC-8 package | Better for higher-speed filtering but unsuitable for sub-μA sleep modes | Select LMV358DR only when bandwidth >500 kHz is required and battery life is secondary |
| TLV2372IDR | Lower supply current (1 μA/channel), lower GBW (100 kHz), same SOIC-8 pinout | Superior for ultra-low-power wake-on-event designs but limited slew rate (0.04 V/μs) | Choose TLV2372IDR when continuous current draw must stay below 2 μA and signal bandwidth ≤10 kHz |
Compared with LMV358DR and TLV2372IDR, the LPV358DE4 uniquely balances 15 μA quiescent current, 152 kHz bandwidth, and −0.2 V input capability - making it optimal for cost-sensitive, battery-powered analog front-ends requiring moderate speed and extended operating voltage margin.
Availability
LPV358DE4 is available at Aetrix Electronics and suitable for portable medical devices, industrial sensor nodes, and smart home environmental monitors requiring stable component supply across multi-year production cycles.
Supply support for LPV358DE4 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 delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and personal electronics markets.
The LPV3xx family was designed specifically for low-voltage, low-power applications where rail-to-rail output swing, ground-sensing inputs, and micropower consumption are critical - targeting portable instrumentation and energy-harvesting systems.
FAQ
What is the maximum operating temperature range for the LPV358DE4?
The LPV358DE4 is specified for operation from −40°C to +85°C. This range is confirmed in the "Recommended Operating Conditions" table of the official Texas Instruments datasheet SLOS433I, and applies to all SOIC-packaged LPV358 variants including the DE4 suffix. The device maintains its 15 μA supply current and rail-to-rail output performance across this full industrial temperature span.
Does the LPV358DE4 support true rail-to-rail input?
No, the LPV358DE4 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 the inputs operate down to 0.2 V below ground but only up to 0.8 V below the positive rail. However, its output is fully rail-to-rail: within 3.5 mV of VCC+ and 90 mV above VCC− at 100 kΩ load - a key distinction confirmed in the "Electrical Characteristics" tables for both 2.7 V and 5 V operation.
Can the LPV358DE4 drive a 1000 pF capacitive load without oscillation?
Yes, the LPV358DE4 is explicitly characterized for stability with capacitive loads up to 1000 pF, as stated in the "Features" section of the SLOS433I datasheet. This capability is verified across temperature and supply voltage ranges and eliminates the need for series isolation resistors when interfacing with ADC input capacitors, long PCB traces, or touch-sensing electrodes - a design advantage over many general-purpose op-amps requiring external compensation.
What is the typical input offset voltage of the LPV358DE4 at room temperature and 5 V supply?
The typical input offset voltage of the LPV358DE4 is 7 mV at TA = 25°C and VCC = 5 V, as published in the "5-V Electrical Characteristics" table of the SLOS433I datasheet. The maximum guaranteed value across −40°C to +85°C is 10 mV. This offset contributes directly to measurement error in precision gain stages; for example, in a non-inverting amplifier with G = 10, it introduces up to ±70 mV output error independent of signal level.
Is the LPV358DE4 pin-compatible with other dual op-amps in SOIC-8 packages?
Yes, the LPV358DE4 uses the industry-standard SOIC-8 (D) package with JEDEC MS-012AC outline and conventional dual op-amp pinout (OUT A, IN− A, IN+ A, VCC−, IN+ B, IN− B, OUT B, VCC+). It is pin-compatible with LMV358, TLC272, and TLV2372 in the same package - though electrical parameters (supply current, GBW, offset) differ significantly, requiring validation of loop stability and DC accuracy in replacement scenarios.
LPV358DE4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- 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
LPV358DE4 FAQ
1.How can I place an order for LPV358DE4 through Aetrix?
Please submit a Request for Quotation (RFQ) for LPV358DE4 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 LPV358DE4 reliable?
The price and inventory of LPV358DE4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPV358DE4 is usually 5 days.
3.What payment methods are accepted for LPV358DE4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPV358DE4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPV358DE4?
LPV358DE4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPV358DE4 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 LPV358DE4?
For technical support, including LPV358DE4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPV358DE4 requirements.
6.How does Aetrix verify that LPV358DE4 is sourced from the original manufacturer or authorized distributors?
All LPV358DE4 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 LPV358DE4 meets industry standards.
7.What is the process for return or replacement of LPV358DE4?
All LPV358DE4 units undergo pre-shipment inspection (PSI). If there is an issue with LPV358DE4, 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 LPV358DE4 part is unused and in its original packaging.
Return procedure for LPV358DE4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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