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Texas Instruments LPV358IDGKRG4
- Part No.:
- LPV358IDGKRG4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LPV358IDGKRG4.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,664
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Product details
Overview
LPV358IDGKRG4 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 LPV358IDGKRG4 datasheet, LPV358IDGKRG4 pinout, LPV358IDGKRG4 application, or LPV358IDGKRG4 equivalent, key selection considerations include its VSSOP-8 (DGK) package footprint, guaranteed operation up to 125°C, input common-mode range extending to −0.2 V, and stability with 1000-pF capacitive loads - critical for driving ADC inputs, active filters, and low-noise analog front-ends.
Technical Context
The LPV358IDGKRG4 implements a CMOS input stage with rail-to-rail output architecture, supporting single-supply operation down to 2.7 V while maintaining no crossover distortion. Its input common-mode voltage range (−0.2 V to VCC+ − 0.8 V) enables ground-sensing capability, and internal biasing ensures stable quiescent current across temperature.
Designed as a low-power variant of the LMV358 family, it achieves a 237 kHz gain-bandwidth product at 5 V with only 15–20 μA per amplifier - delivering superior speed-power ratio versus legacy micropower op-amps. It remains stable under capacitive loads up to 1000 pF without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 5 V - supports direct connection to Li-ion, 3.3-V, and 5-V rails without regulation. |
| Supply Current (per channel) | 15 μA typical at 5 V - enables multi-year battery life in always-on sensor nodes. |
| Gain-Bandwidth Product | 237 kHz at 5 V - sufficient for anti-aliasing filters, DC-coupled instrumentation, and slow-control loops. |
| Rail-to-Rail Output Swing | VCC+ − 3.5 mV / VCC− + 90 mV at 100-kΩ - maximizes dynamic range in single-supply data acquisition. |
| Input Common-Mode Range | −0.2 V to VCC+ − 0.8 V - allows input signals below ground and near positive rail. |
| Operating Temperature | −40°C to +125°C - qualified for automotive under-hood, industrial motor control, and harsh-environment monitoring. |
| ESD Protection | 2000-V HBM, 200-V MM, 1000-V CDM - reduces need for external protection in cost-sensitive designs. |
Pinout & Package
VSSOP-8 (DGK) package: 3.0 mm × 3.0 mm body, 0.5 mm pitch, exposed thermal pad (not electrically connected), RoHS-compliant green finish, MSL Level 1 (260°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives loads up to 100 kΩ with rail-to-rail swing. |
| 2 | IN− A | Inverting input of Amplifier A - high-impedance CMOS node (IIB = 2 nA typ). |
| 3 | IN+ A | Non-inverting input of Amplifier A - accepts signals from −0.2 V to VCC+ − 0.8 V. |
| 4 | V− | Negative supply rail (GND in single-supply use) - shared reference for both amplifiers. |
| 5 | V+ | Positive supply rail - powers both amplifiers; decoupling capacitor required at pin. |
| 6 | IN+ B | Non-inverting input of Amplifier B - independent of Channel A; same VIH/VIL specs. |
| 7 | IN− B | Inverting input of Amplifier B - matched offset and bias performance to Channel A. |
| 8 | OUT B | Amplifier B output - fully independent; no crosstalk degradation above 100 dB at 1 kHz. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Enables full utilization of ADC input range in 3.3-V systems without level-shifting circuitry. |
| Input common-mode range includes ground | Permits direct interfacing with 0-V referenced sensors (e.g., thermistors, bridge transducers). |
| Stable with 1000-pF capacitive load | Eliminates need for isolation resistors when driving SAR ADC sample capacitors or long PCB traces. |
| No crossover distortion | Preserves signal fidelity in audio preamps and precision DC-coupled amplification paths. |
| Latch-up immunity >100 mA | Ensures robustness during power sequencing faults or transient overvoltage events. |
Applications
| Temperature Sensor Signal Conditioning | Portable Medical Pulse Oximeter Front-End |
|---|---|
Use Scenario: Amplifying low-level output (≤10 mV/°C) from NTC thermistors in HVAC controllers and battery thermal management systems. IC Role / Device Role / Timing Role: Dual-channel configured as precision non-inverting amplifier (Channel A) and reference buffer (Channel B) for ratiometric ADC measurement. Use Value: 15 μA per channel extends battery life beyond 5 years in wireless sensor nodes; rail-to-rail output ensures full-scale ADC utilization across −40°C to 125°C. | Use Scenario: Conditioning photodiode current from red/IR LEDs in wearable pulse oximeters powered by coin-cell batteries. IC Role / Device Role / Timing Role: Transimpedance amplifier (Channel A) and DC-offset cancellation stage (Channel B) in analog front-end before 12-bit SAR ADC. Use Value: Input bias current ≤2 nA minimizes dark-current error; 1000-pF load stability eliminates external isolation resistors, reducing board area by 12%. |
| Industrial 4–20 mA Loop Receiver | Low-Power Active Filter for IoT Edge Node |
Use Scenario: Converting 4–20 mA loop current to 0–2.5 V for microcontroller ADC sampling in programmable logic controllers. IC Role / Device Role / Timing Role: Precision current-to-voltage converter (Channel A) with buffered reference (Channel B) for isolated 2.5-V reference generation. Use Value: Input offset voltage ≤11 mV (max over temp) ensures <0.1% FSR error; −40°C to 125°C rating supports DIN-rail mounted enclosures. | Use Scenario: 2nd-order Sallen-Key low-pass filter (cutoff = 10 Hz) suppressing 50/60 Hz noise in environmental sensor nodes. IC Role / Device Role / Timing Role: Dual op-amp implementing unity-gain buffer + filter integrator in single VSSOP-8 package. Use Value: 237 kHz GBW provides >20× margin at 10 Hz; 15 μA/channel enables continuous filtering with <30 μA total system analog power. |
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; same electrical specs but larger footprint (4.9 mm × 3.9 mm vs. 3.0 mm × 3.0 mm); rated for −40°C to 85°C only. | Suitable for cost-sensitive industrial boards where thermal margin <125°C and PCB area is not constrained. | Select LPV358DR if SOIC-8 reflow compatibility or legacy layout reuse is prioritized over size and extended temperature. |
| MCP6022-E/SN | Higher supply current (100 μA/ch), wider GBW (1 MHz), but only rated to 125°C with reduced accuracy (VIO up to 2.5 mV vs. 11 mV for LPV358IDGKRG4). | Better for higher-speed filtering or faster settling, but increases battery drain 6.7× and requires tighter layout for noise control. | Choose MCP6022-E/SN only when bandwidth >1 MHz is mandatory and power budget allows ≥150 μA total analog current. |
Compared with LPV358DR and MCP6022-E/SN, the LPV358IDGKRG4 uniquely balances ultra-low power (15 μA), extended temperature (125°C), and miniature VSSOP-8 packaging - making it optimal for space- and energy-constrained edge devices where long-term reliability at elevated ambient temperatures is required.
Availability
LPV358IDGKRG4 is available at Aetrix Electronics and suitable for portable medical devices, industrial temperature monitoring systems, and battery-powered IoT sensor nodes requiring stable component supply across automotive and industrial temperature grades.
Supply support for LPV358IDGKRG4 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 op-amps and low-power signal chain solutions.
The LPV3xx family was designed specifically for cost-sensitive, battery-operated applications demanding rail-to-rail output, ground-sensing inputs, and guaranteed operation across extended temperature ranges - targeting sensor interfaces, portable instrumentation, and energy-harvesting systems.
FAQ
What is the maximum operating temperature specification for LPV358IDGKRG4?
The LPV358IDGKRG4 is characterized and guaranteed to operate from −40°C to +125°C. This extended temperature grade is confirmed in the "recommended operating conditions" table of the SLOS433I datasheet and applies across the full 2.7-V to 5-V supply range. The "I" suffix explicitly denotes the 125°C qualification, distinguishing it from the standard −40°C to 85°C LPV358 variants.
Does LPV358IDGKRG4 support true rail-to-rail input operation?
No, the LPV358IDGKRG4 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 and up to 0.8 V below the positive rail. However, the output is rail-to-rail: it swings to within 3.5 mV of VCC+ and 90 mV of VCC− under 100-kΩ load - a key distinction clearly documented in the "Electrical Characteristics" tables.
What package type and dimensions does LPV358IDGKRG4 use?
The LPV358IDGKRG4 uses the MSOP-8 (DGK) package: 3.0 mm × 3.0 mm body size, 0.5 mm lead pitch, and 1.0 mm maximum height. It features an exposed thermal pad (non-functional, not electrically connected) and complies with JEDEC MO-187 variation AA. This compact footprint is 40% smaller than SOIC-8 and enables high-density layouts in wearables and miniaturized industrial modules.
Can LPV358IDGKRG4 drive a 1000-pF capacitive load without oscillation?
Yes, the LPV358IDGKRG4 is explicitly characterized and guaranteed stable with capacitive loads up to 1000 pF, as stated in the "Features" section and verified in Figure 14–15 of the SLOS433I datasheet. This eliminates the need for external series isolation resistors when driving ADC input capacitors, piezoelectric sensors, or long PCB traces - simplifying design and improving signal integrity in high-impedance analog paths.
How does the supply current of LPV358IDGKRG4 vary with temperature and supply voltage?
At 5 V supply, LPV358IDGKRG4 draws 15–20 μA per channel at 25°C, rising to 24 μA at 85°C and 80 μA at 125°C (per "5-V electrical characteristics" table). At 2.7 V, typical ICC is 8–16 μA across −40°C to 85°C. This monotonic increase is due to internal bias current scaling and is fully characterized - enabling accurate battery-life modeling for designs operating across the full temperature range.
LPV358IDGKRG4 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:
- 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
LPV358IDGKRG4 FAQ
1.How can I place an order for LPV358IDGKRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for LPV358IDGKRG4 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 LPV358IDGKRG4 reliable?
The price and inventory of LPV358IDGKRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPV358IDGKRG4 is usually 5 days.
3.What payment methods are accepted for LPV358IDGKRG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPV358IDGKRG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPV358IDGKRG4?
LPV358IDGKRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPV358IDGKRG4 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 LPV358IDGKRG4?
For technical support, including LPV358IDGKRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPV358IDGKRG4 requirements.
6.How does Aetrix verify that LPV358IDGKRG4 is sourced from the original manufacturer or authorized distributors?
All LPV358IDGKRG4 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 LPV358IDGKRG4 meets industry standards.
7.What is the process for return or replacement of LPV358IDGKRG4?
All LPV358IDGKRG4 units undergo pre-shipment inspection (PSI). If there is an issue with LPV358IDGKRG4, 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 LPV358IDGKRG4 part is unused and in its original packaging.
Return procedure for LPV358IDGKRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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