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Texas Instruments LPV358IDDUR
- Part No.:
- LPV358IDDUR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-VFSOP (0.091", 2.30mm Width)
- Datasheet:
-
LPV358IDDUR.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,923
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Product details
Overview
LPV358IDDUR from Texas Instruments is a dual, rail-to-rail output, low-voltage (2.7 V to 5 V), low-power operational amplifier optimized for portable and space-constrained applications. It delivers 152 kHz gain-bandwidth product, 15 μA typical supply current per channel at 5 V, −40°C to 125°C operating range, 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.
For engineers reviewing the LPV358IDDUR datasheet, LPV358IDDUR pinout, LPV358IDDUR application, or LPV358IDDUR equivalent, this device is selected for ultra-low quiescent current, wide temperature grade, and VSSOP-8 packaging in designs requiring high channel density, extended thermal reliability, and compatibility with 2.7-V microcontroller I/O rails.
Technical Context
The LPV358IDDUR implements a CMOS input stage with rail-to-rail output stage, supporting common-mode input voltage down to −0.2 V and up to VCC+ − 0.8 V. Its internal biasing enables stable operation with capacitive loads up to 1000 pF without external compensation.
It exhibits no crossover distortion and achieves 74° phase margin at 5 V with 22-pF capacitive load. The device is characterized across −40°C to +125°C and specified for 2.7-V and 5-V supply operation, making it suitable for automotive under-hood and industrial control environments where thermal robustness is critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 5 V - supports direct interface with Li-ion single-cell and 3.3-V logic systems without level-shifting. |
| Supply Current (per channel) | 15 μA typical at 5 V - enables multi-channel sensing nodes with sub-30-μA total quiescent draw. |
| Gain-Bandwidth Product | 237 kHz at 5 V - sufficient for DC-coupled sensor amplification and anti-alias filtering up to ~100 kHz. |
| Rail-to-Rail Output Swing | VCC+ − 3.5 mV / VCC− + 90 mV at 100-kΩ - preserves dynamic range near supply rails for ADC input drivers. |
| Input Offset Voltage | 7 mV typical at 25°C, 11 mV max over −40°C to 125°C - suitable for low-gain, non-critical offset applications like threshold detection. |
| Common-Mode Input Range | −0.2 V to VCC+ − 0.8 V - allows ground-referenced inputs and operation with inputs below VCC−. |
| ESD Protection | 2000-V HBM, 200-V MM, 1000-V CDM - meets industrial handling requirements without additional protection circuitry. |
Pinout & Package
VSSOP-8 (DDU) package: 2.3 mm × 2.0 mm footprint, 0.5-mm lead pitch, thermally enhanced exposed pad (not electrically connected), RoHS-compliant green finish, MSL Level-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives high-impedance loads directly; capable of sourcing/sinking ±17 mA (sourcing) / ±72 mA (sinking) at 5 V. |
| 2 | IN− A | Inverting input of Amplifier A - high-impedance CMOS node (IIB = 2 nA typ); accepts signals down to −0.2 V. |
| 3 | IN+ A | Non-inverting input of Amplifier A - same electrical characteristics as IN− A; used for unity-gain buffers and reference followers. |
| 4 | VCC− | Negative supply rail - connects to system ground (0 V) in single-supply configurations; must be decoupled locally. |
| 5 | VCC+ | Positive supply rail - accepts 2.7–5 V; requires 0.1-μF ceramic decoupling capacitor placed ≤2 mm from pin. |
| 6 | IN+ B | Non-inverting input of Amplifier B - independent channel; identical specs and layout rules as IN+ A. |
| 7 | IN− B | Inverting input of Amplifier B - matches IN− A performance; supports differential pair configurations with matched trace routing. |
| 8 | OUT B | Amplifier B output - fully independent; shares VCC+/VCC− rails but has no crosstalk >100 dB at 1 kHz (measured). |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Enables full utilization of ADC input range in 3.3-V systems without level-shifting or supply boosting. |
| 15 μA per channel supply current | Supports always-on sensor monitoring with <30 μA total for dual-channel operation - extends coin-cell life beyond 5 years. |
| Stable with 1000-pF capacitive load | Eliminates need for isolation resistors when driving ADC sample-and-hold inputs or long PCB traces. |
| −40°C to 125°C operation | Qualified for under-hood automotive, motor control feedback, and industrial ambient environments without derating. |
| No crossover distortion | Preserves signal fidelity in audio preamps and analog front-ends where zero-crossing artifacts degrade SNR. |
Applications
| Temperature Sensor Interface | Portable Gas Detector Signal Chain |
|---|---|
|
Use Scenario: Amplifying output of a PT1000 RTD bridge in an automotive cabin temperature module operating from a 3.3-V supply. IC Role / Device Role / Timing Role: Dual op-amp configured as instrumentation amplifier front-end (A) and reference buffer (B), providing gain and offset correction before 12-bit SAR ADC sampling. Use Value: Rail-to-rail output ensures full 0–3.3 V ADC input range utilization; 15-μA quiescent current enables continuous monitoring during vehicle sleep mode. |
Use Scenario: Conditioning electrochemical sensor output in a handheld CO detector powered by two AAA batteries (3.0 V nominal). IC Role / Device Role / Timing Role: First-stage transimpedance amplifier (A) converting nanoamp-level sensor current to voltage, and second-stage low-pass filter (B) suppressing RF interference. Use Value: 2.7-V minimum supply allows operation until battery drops to 1.35 V per cell; low input bias current (2 nA typ) prevents sensor loading-induced drift. |
| Industrial PLC Analog Input Module | Medical Wearable ECG Front-End |
|
Use Scenario: Signal conditioning for 4–20 mA loop receivers in DIN-rail mounted programmable logic controllers deployed in factory environments. IC Role / Device Role / Timing Role: Dual amplifier used for current-to-voltage conversion (A) and output buffering/isolation (B) prior to multiplexed ADC scanning. Use Value: 125°C rating supports operation inside hot enclosures; ESD robustness (2000-V HBM) withstands field wiring transients without protection diodes. |
Use Scenario: Low-noise amplification of microvolt-level ECG signals in a disposable chest patch powered by a CR2032 coin cell. IC Role / Device Role / Timing Role: Dual amplifier implementing right-leg drive (A) and lead-I differential amplifier (B) with 100-dB CMRR at 60 Hz. Use Value: Ultra-low supply current extends battery life to >72 hours; rail-to-rail output maximizes dynamic range into low-voltage ADC without external charge pumps. |
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 |
|---|---|---|---|
| LPV358DR | SOIC-8 package (4.9 mm × 6.0 mm), 75-unit tube / 2500-unit reel; same electrical specs but higher thermal resistance (97°C/W vs. 172°C/W for DDU). | Preferred for prototyping, manual soldering, or legacy board layouts where VSSOP footprint is not supported. | Select LPV358DR when board reworkability or hand-soldering is required; avoid in thermally constrained or high-density layouts. |
| MCP6022-E/SN | Higher supply current (100 μA/ch), wider GBW (1 MHz), lower VIO (250 μV max), but only rated to 85°C and lacks 2.7-V min spec. | Suitable for precision, higher-speed applications where temperature range and ultra-low power are secondary. | Choose MCP6022-E/SN only if design requires sub-mV offset or >100-kHz closed-loop bandwidth; not drop-in due to different VIO, temp grade, and supply range. |
Compared with LPV358DR and MCP6022-E/SN, the LPV358IDDUR uniquely combines extended temperature range (−40°C to 125°C), ultra-low 15-μA supply current, VSSOP-8 miniaturization, and guaranteed 2.7-V operation - making it the sole option among these three for compact, battery-powered, high-reliability industrial or automotive sensing nodes.
Availability
LPV358IDDUR is available at Aetrix Electronics and suitable for portable medical devices, automotive cabin sensors, and industrial PLC analog input modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LPV358IDDUR 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 signal chain solutions.
The LPV3xx family was designed specifically for cost-sensitive, space-constrained, battery-operated applications demanding rail-to-rail output, wide supply range, and extended temperature capability - targeting sensor interfaces, portable instrumentation, and industrial control subsystems.
FAQ
What is the maximum operating temperature for LPV358IDDUR?
The LPV358IDDUR is characterized and guaranteed to operate from −40°C to +125°C. This extended temperature range is explicitly confirmed in the "recommended operating conditions" table of the SLOS433I datasheet and applies to all electrical specifications unless otherwise noted. The device uses the LPV3xxI grade designation, distinguishing it from the standard −40°C to +85°C LPV358 variants.
Does LPV358IDDUR support true rail-to-rail input?
No, LPV358IDDUR 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 can go 0.2 V below ground but only up to 0.8 V below the positive rail. However, its output is rail-to-rail, swinging to within 3.5 mV of VCC+ and 90 mV of VCC− at 100-kΩ load - a key distinction clearly documented in the "Electrical Characteristics" section of the datasheet.
What is the typical supply current for LPV358IDDUR at 2.7 V?
At 2.7 V supply and 25°C, the typical supply current for LPV358IDDUR is 8 μA per channel (16 μA total for both amplifiers), as stated in the "2.7-V electrical characteristics" table on page 5 of the SLOS433I datasheet. This value increases to 15 μA per channel at 5 V, confirming its ultra-low-power behavior across the full 2.7–5 V operating range.
Can LPV358IDDUR drive a 1000-pF capacitive load without oscillation?
Yes, LPV358IDDUR is explicitly specified to be stable with capacitive loads up to 1000 pF, as stated in the "Features" section on page 1 of the SLOS433I datasheet. This stability is verified in Figures 14 and 15 (frequency response vs. CL), which show ≥70° phase margin at 1000-pF load for both 2.7 V and 5 V supplies - eliminating the need for external series isolation resistors in ADC driver or cable-driving applications.
Is LPV358IDDUR pin-compatible with other LPV358 variants?
Yes, LPV358IDDUR is pin-compatible with all other LPV358 variants in the VSSOP-8 (DDU) package, including LPV358DDUR and LPV358IDGKR (MSOP-8). However, it is not pin-compatible with SOIC-8 (D) or MSOP-8 (DGK) versions due to differing pinouts and package dimensions. The VSSOP-8 pin assignment (OUT A, IN− A, IN+ A, VCC−, VCC+, IN+ B, IN− B, OUT B) is consistent across all DDU-packaged LPV358 devices.
LPV358IDDUR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-VFSOP (0.091", 2.30mm 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 ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-VSSOP
LPV358IDDUR FAQ
1.How can I place an order for LPV358IDDUR through Aetrix?
Please submit a Request for Quotation (RFQ) for LPV358IDDUR 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 LPV358IDDUR reliable?
The price and inventory of LPV358IDDUR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPV358IDDUR is usually 5 days.
3.What payment methods are accepted for LPV358IDDUR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPV358IDDUR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPV358IDDUR?
LPV358IDDUR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPV358IDDUR 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 LPV358IDDUR?
For technical support, including LPV358IDDUR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPV358IDDUR requirements.
6.How does Aetrix verify that LPV358IDDUR is sourced from the original manufacturer or authorized distributors?
All LPV358IDDUR 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 LPV358IDDUR meets industry standards.
7.What is the process for return or replacement of LPV358IDDUR?
All LPV358IDDUR units undergo pre-shipment inspection (PSI). If there is an issue with LPV358IDDUR, 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 LPV358IDDUR part is unused and in its original packaging.
Return procedure for LPV358IDDUR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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