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Texas Instruments LPV358DG4
- Part No.:
- LPV358DG4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LPV358DG4.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,660
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Product details
Overview
LPV358DG4 from Texas Instruments is a dual, rail-to-rail output, low-voltage (2.7 V to 5 V), low-power (15 μA per channel at 5 V) operational amplifier optimized for portable and space-constrained applications. It delivers 152 kHz gain-bandwidth product, 7 mV input offset voltage (typ), and rail-to-rail output swing within 3.5 mV of VCC+ and 90 mV of VCC− at 100-kΩ load - enabling precision signal conditioning in battery-powered sensor interfaces and active filters.
For engineers reviewing the LPV358DG4 datasheet, LPV358DG4 pinout, LPV358DG4 application, or LPV358DG4 equivalent, key selection criteria include its −40°C to 85°C operating range, SOIC-8 package compatibility, low quiescent current, rail-to-rail output capability, and verified stability with 1000-pF capacitive loads - all critical for low-noise, low-voltage analog front-ends in industrial and consumer systems.
Technical Context
The LPV358DG4 implements a CMOS input stage with rail-to-rail output architecture, supporting common-mode input voltage range from −0.2 V to VCC+ − 0.8 V and stable operation with capacitive loads up to 1000 pF. Its internal biasing enables operation down to 2.7 V while maintaining 152 kHz GBW and 0.1 V/μs slew rate.
It exhibits no crossover distortion, achieves 70 dB typical CMRR and PSRR at 5 V, and maintains specified performance across temperature (−40°C to 85°C). Input bias current remains below 50 nA (typ) and input offset voltage drift is 4 μV/°C - making it suitable for high-impedance, DC-coupled sensing paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 5 V - supports single-cell Li-ion and 3.3 V logic rails without level-shifting. |
| Quiescent Current | 15 μA per channel at 5 V - enables multi-year battery life in always-on sensor nodes. |
| Gain-Bandwidth Product | 152 kHz - sufficient for anti-aliasing, low-frequency filtering, and transducer signal amplification. |
| Input Offset Voltage | 7 mV (typ) - ensures <1% error in 1 V full-scale DC-coupled measurement paths. |
| Rail-to-Rail Output Swing | VCC+ − 3.5 mV / VCC− + 90 mV at 100-kΩ - maximizes dynamic range in low-voltage ADC driver stages. |
| Common-Mode Input Range | −0.2 V to VCC+ − 0.8 V - accepts signals referenced to ground or near-rail inputs without clipping. |
| Stable Capacitive Load | Up to 1000 pF - allows direct driving of ADC input capacitance or long PCB traces without compensation. |
Pinout & Package
LPV358DG4 is housed in an 8-pin SOIC (D) package, 3.90 mm × 4.90 mm, with standard 1.27 mm pitch and RoHS-compliant CU NIPDAU finish (MSL Level-1).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives external load or next-stage input with rail-to-rail swing. |
| 2 | IN− A | Inverting input of Amplifier A - connects to feedback network or signal reference point. |
| 3 | IN+ A | Non-inverting input of Amplifier A - accepts sensor, DAC, or reference voltage signals. |
| 4 | VCC− | Negative supply rail (typically GND) - shared return path for both amplifiers and bias circuitry. |
| 5 | IN+ B | Non-inverting input of Amplifier B - independent signal path for dual-channel processing. |
| 6 | IN− B | Inverting input of Amplifier B - supports differential or inverting configurations per channel. |
| 7 | OUT B | Amplifier B output - fully independent output stage with same rail-to-rail capability as OUT A. |
| 8 | VCC+ | Positive supply rail (2.7–5 V) - powers both amplifiers and internal bias generators. |
Key Features
| Feature | Design Value |
|---|---|
| No Crossover Distortion | Eliminates switching artifacts in audio and precision DC signal paths, ensuring clean zero-crossing behavior. |
| Rail-to-Rail Output | Delivers full supply utilization - e.g., 0.09 V to 4.91 V swing at 5 V - maximizing SNR in ADC interface circuits. |
| Low Input Bias Current | ≤50 nA (typ) enables use with high-impedance sources (e.g., pH electrodes, photodiodes) without significant error. |
| ESD Protection | HBM ≥2000 V, MM ≥200 V, CDM ≥1000 V - reduces need for external protection in handheld and field-deployed equipment. |
| Temperature Range | Specified from −40°C to +85°C - validated for industrial ambient conditions without derating. |
Applications
| Portable Sensor Signal Conditioning | Low-Power Active Filters |
|---|---|
Use Scenario: Amplifying microvolt-level outputs from thermistors, RTDs, or MEMS accelerometers in wearable health monitors. IC Role / Device Role / Timing Role: Dual-channel DC-coupled instrumentation amplifier front-end, providing gain and buffering before 12-bit SAR ADC sampling. Use Value: 15 μA per channel supply current extends coin-cell battery life beyond 5 years in sleep-wake duty cycles. | Use Scenario: Implementing 2nd-order low-pass filtering for ECG front-ends or vibration monitoring systems. IC Role / Device Role / Timing Role: Dual op-amp configured as Sallen-Key topology - one section as filter, second as buffer or gain stage. Use Value: 152 kHz GBW and 1000-pF capacitive load stability allow direct integration of filter capacitors without external isolation resistors. |
| Battery-Powered Data Loggers | Industrial Process Monitoring Interfaces |
Use Scenario: Scaling and level-shifting analog outputs from 4–20 mA loop receivers or analog sensors for microcontroller ADC input. IC Role / Device Role / Timing Role: Rail-to-rail output stage driving 3.3 V ADC reference range, with input common-mode extending below ground. Use Value: −0.2 V to VCC+ − 0.8 V input range accepts signals below ground (e.g., shunt-based current sense), eliminating level-shift circuitry. | Use Scenario: Isolating and conditioning 0–10 V analog control signals in PLC I/O modules operating from 24 V DC rails with local 3.3 V regulation. IC Role / Device Role / Timing Role: Dual op-amp used for signal inversion and gain adjustment in analog output driver stages. Use Value: 70 dB CMRR suppresses common-mode noise from motor drives or switching power supplies in factory-floor environments. |
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 temp range (−40°C to 125°C), same SOIC-8 footprint. | Preferred where extended temperature operation or higher drive strength is required; not drop-in due to higher IQ. | Select LMV358DR only if thermal margin or output current >17 mA is needed - otherwise LPV358DG4 saves >80% quiescent power. |
| TLV2372IDR | Lower IQ (1 μA/channel), lower GBW (150 kHz), same rail-to-rail I/O, SOIC-8 package. | Better for ultra-low-power (<10 μA) systems but with reduced bandwidth and higher input offset (3.5 mV typ). | Choose TLV2372IDR when battery life is paramount and signal bandwidth ≤100 kHz; LPV358DG4 offers better DC accuracy and drive capability. |
Compared with LMV358DR and TLV2372IDR, the LPV358DG4 uniquely balances ultra-low power (15 μA), usable bandwidth (152 kHz), and robust DC specs (7 mV VIO, 70 dB CMRR) in a production-ready SOIC-8 package - making it optimal for cost-sensitive, battery-operated industrial and consumer analog signal chains.
Availability
LPV358DG4 is available at Aetrix Electronics and suitable for portable sensor interfaces, low-power active filters, and industrial process monitoring requiring stable component supply and long-term manufacturability.
Supply support for LPV358DG4 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 op-amp design heritage and broad manufacturing scale.
The LPV3xx family was designed specifically for cost-sensitive, low-voltage, low-power applications where rail-to-rail output swing, minimal supply current, and SOIC/TSSOP packaging are essential - targeting portable instrumentation, sensor modules, and energy-efficient industrial controls.
FAQ
What is the maximum operating temperature range for the LPV358DG4?
The LPV358DG4 is characterized for operation from −40°C to +85°C. This range is explicitly confirmed in the "recommended operating conditions" table of the official TI datasheet SLOS433I, and applies to the LPV358 (non-I suffix) variant. The LPV358I version extends to 125°C, but LPV358DG4 is rated for 85°C maximum ambient temperature.
Does the LPV358DG4 support rail-to-rail input operation?
No, the LPV358DG4 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 inputs slightly below ground but cannot reach the positive rail. However, its rail-to-rail output capability (within 3.5 mV of VCC+ and 90 mV of VCC−) remains fully functional and is a core feature of the LPV358DG4.
What is the typical supply current consumption of the LPV358DG4 at 3.3 V?
While the datasheet specifies 15 μA per channel at 5 V, the LPV358DG4's supply current scales approximately linearly with supply voltage. At 3.3 V, typical ICC per channel is ~9.9 μA (15 μA × 3.3/5), consistent with Figure 1 (Supply Current vs Supply Voltage) in the SLOS433I datasheet. Total dual-channel current is therefore ~19.8 μA at 3.3 V.
Can the LPV358DG4 drive a 1000-pF capacitive load without oscillation?
Yes, the LPV358DG4 is explicitly characterized for stability with capacitive loads up to 1000 pF, as stated in the "Features" section and verified in Figure 14–15 (Frequency Response vs CL) of the SLOS433I datasheet. This makes it suitable for direct connection to ADC input capacitors or long PCB traces without external isolation resistors.
Is the LPV358DG4 pin-compatible with other dual op-amps in SOIC-8 packages?
The LPV358DG4 uses the industry-standard dual op-amp pinout for SOIC-8: Pin 1 = OUT A, Pin 2 = IN− A, Pin 3 = IN+ A, Pin 4 = VCC−, Pin 5 = IN+ B, Pin 6 = IN− B, Pin 7 = OUT B, Pin 8 = VCC+. It is pin-compatible with LMV358, TLC272, and TLV2372 in SOIC-8 - though electrical specs (IQ, VIO, GBW) differ, requiring validation in final circuit design.
LPV358DG4 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
LPV358DG4 FAQ
1.How can I place an order for LPV358DG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for LPV358DG4 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 LPV358DG4 reliable?
The price and inventory of LPV358DG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPV358DG4 is usually 5 days.
3.What payment methods are accepted for LPV358DG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPV358DG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPV358DG4?
LPV358DG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPV358DG4 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 LPV358DG4?
For technical support, including LPV358DG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPV358DG4 requirements.
6.How does Aetrix verify that LPV358DG4 is sourced from the original manufacturer or authorized distributors?
All LPV358DG4 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 LPV358DG4 meets industry standards.
7.What is the process for return or replacement of LPV358DG4?
All LPV358DG4 units undergo pre-shipment inspection (PSI). If there is an issue with LPV358DG4, 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 LPV358DG4 part is unused and in its original packaging.
Return procedure for LPV358DG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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