My Inquiry
My Account
Texas Instruments LPV521MGE/NOPB
- Part No.:
- LPV521MGE/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
LPV521MGE/NOPB.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SC70-5
- Quantity:
- Payment:
- Shipping:
Inventory:12,437
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
LPV521MGE/NOPB from Texas Instruments is a single-channel nanopower CMOS operational amplifier optimized for ultra-low-power sensor signal conditioning in battery-powered systems. It delivers 400nA max supply current at 1.8V, 1mV max input offset voltage, 3.5µV/°C max TCVOS, 40fA input bias current, and rail-to-rail input/output operation across 1.6V–5.5V supply range - enabling precision measurement in wireless environmental sensors and grid asset monitors.
For engineers reviewing the LPV521MGE/NOPB datasheet, LPV521MGE/NOPB pinout, LPV521MGE/NOPB application, or LPV521MGE/NOPB equivalent, key selection criteria include verified nanowatt quiescent current across temperature, guaranteed VOS stability over rail-to-rail common-mode range, EMI rejection ratio >121dB at 900MHz, and SC70-5 package compatibility with space-constrained IoT node layouts.
Technical Context
The LPV521MGE/NOPB employs a dual-input-stage architecture combining parallel PMOS and NMOS differential pairs to achieve rail-to-rail input operation, with internal logic managing transition between pairs to maintain low distortion across the full common-mode range (V− − 0.1V to V+ + 0.1V). Its VIP50 process enables sub-1µV/V open-loop gain sensitivity and <50mV output swing from rails at 5V with 100kΩ load.
EMI immunity is engineered via on-die filtering, delivering ≥121dB EMI rejection ratio at 400–900MHz and 142dB at 2.4GHz - critical for reliable operation near RFID readers and cellular transceivers. The device operates down to −40°C and up to +125°C with guaranteed PSRR ≥76dB and CMRR ≥60dB over full temperature and supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply current | 400nA max at VCM = V− + 0.3V, enabling >10-year battery life in coin-cell-powered sensors |
| Input offset voltage (VOS) | 1mV max over −40°C to +125°C, ensuring stable DC accuracy in thermostat and smoke detector front-ends |
| TCVOS | 3.5µV/°C max, minimizing drift-induced error in field transmitters operating across wide ambient ranges |
| Input bias current | 40fA typical, reducing voltage error in >100MΩ photodiode and charge-sense circuits |
| Gain bandwidth product | 6.2kHz at 3.3V/5V, supporting low-frequency sensor amplification without instability |
| EMI rejection ratio | 142dB at 2.4GHz, suppressing interference from Wi-Fi/Bluetooth co-location in portable electronics |
| Operating temperature | −40°C to +125°C, qualified for industrial grid monitoring and automotive under-hood sensing |
Pinout & Package
LPV521MGE/NOPB is packaged in a 5-pin SC70 (DCK) footprint measuring 2.0mm × 2.1mm, optimized for high-density PCB layouts in compact sensor nodes. The package supports reflow soldering with 260°C peak temperature (30s IR/convection).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - OUT | Output | Rail-to-rail output stage swings within 3mV of rails at 3.3V, maximizing dynamic range in low-voltage systems |
| 2 - V− | Negative power supply | Reference ground for single-supply operation; supports true 0V input common-mode down to V− − 0.1V |
| 3 - IN+ | Noninverting input | CMOS input with 40fA bias current; used for high-impedance sensor interfaces like thermistors or pH electrodes |
| 4 - IN− | Inverting input | Differential input node; paired with IN+ for precision instrumentation amplifier configurations |
| 5 - V+ | Positive power supply | Accepts 1.6V–5.5V; enables direct connection to Li-SOCl₂, alkaline, or energy-harvesting sources |
Key Features
| Feature | Design Value |
|---|---|
| Nanopower operation | 351nA typical supply current at 1.8V enables multi-year operation on CR2032 batteries in wireless sensors |
| Rail-to-rail I/O | Input common-mode extends 0.1V beyond rails; output swings to within 3mV of V+ and V− at 3.3V - preserving full signal headroom |
| Ultra-low input bias current | 40fA typical eliminates megohm-level I×R errors in high-impedance gas detector transducer interfaces |
| EMI-hardened design | On-chip RF filtering achieves >121dB rejection at 900MHz, preventing false triggers in smoke/heat detectors near cell towers |
| Specified VOS stability | 1mV max VOS and 3.5µV/°C max TCVOS over full temperature range ensure repeatable calibration in field transmitters |
Applications
| Wireless Environmental Sensors | Grid Asset Monitoring |
|---|---|
Use Scenario: Battery-powered soil moisture and air quality nodes deployed in remote agricultural fields. IC Role / Device Role / Timing Role: Front-end amplifier for capacitive humidity and resistive gas sensors, conditioning µV–mV signals before ADC sampling. Use Value: 400nA supply current extends CR2032 battery life beyond 7 years; rail-to-rail input captures full sensor range at 1.8V supply. |
Use Scenario: Transformer temperature and partial discharge monitors installed on utility substations. IC Role / Device Role / Timing Role: Precision amplifier in RTD and thermocouple signal chains, rejecting EMI from nearby switching equipment. Use Value: 142dB EMI rejection at 2.4GHz prevents noise coupling from wireless telemetry radios; −40°C to +125°C rating ensures reliability in outdoor enclosures. |
| Electricity Meter | Smoke and Heat Detector |
Use Scenario: Solid-state residential electricity meters requiring metrology-grade current sensing. IC Role / Device Role / Timing Role: Low-drift amplifier in shunt-based current measurement path, feeding isolated delta-sigma ADC. Use Value: 1mV max VOS and 3.5µV/°C TCVOS minimize gain/offset drift over meter lifetime; 102dB CMRR rejects common-mode noise from AC mains. |
Use Scenario: UL-listed residential smoke alarms with optical chamber and thermal compensation. IC Role / Device Role / Timing Role: Signal conditioner for photodiode current and NTC thermistor in dual-sensor fusion architecture. Use Value: 40fA input bias current prevents leakage-induced false alarms; 121dB EMI rejection blocks interference from smart home hubs and cordless phones. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar nanopower op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV8512IDGKR | Higher supply current (900nA typ), wider GBW (10kHz), but no specified EMI rejection | Better for higher-bandwidth sensor interfaces where EMI immunity is secondary | Choose TLV8512IDGKR when faster response is needed and RF environment is controlled |
| OPA316IDBVR | Lower VOS (150µV max), higher supply current (400µA), not nanopower | Suitable for precision analog front-ends where battery life is less critical than DC accuracy | Choose OPA316IDBVR for high-accuracy industrial transmitters with regulated 3.3V supply |
Compared with TLV8512IDGKR and OPA316IDBVR, LPV521MGE/NOPB uniquely balances sub-500nA quiescent current, 1mV VOS, and certified EMI hardening - making it the only option qualified for long-life, RF-noisy, battery-operated safety-critical sensors.
Availability
LPV521MGE/NOPB is available at Aetrix Electronics and suitable for wireless environmental sensors, grid asset monitoring, and smoke and heat detectors requiring stable component supply across extended production lifecycles.
Supply support for LPV521MGE/NOPB 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 low-power precision amplifiers.
LPV521MGE/NOPB belongs to TI's PowerWise® nanopower op-amp family, designed specifically for ultra-long-life battery-powered sensing applications where microampere-level current and rail-to-rail performance are mandatory.
FAQ
What is the maximum supply voltage for LPV521MGE/NOPB?
The LPV521MGE/NOPB supports a maximum supply voltage of 5.5V across its V+ and V− pins. Absolute maximum ratings specify any pin relative to V− must not exceed 6V, and differential input voltage must stay within ±300mV. Operation beyond 5.5V risks permanent damage and invalidates parametric guarantees.
Does LPV521MGE/NOPB support rail-to-rail input at 1.6V supply?
Yes, LPV521MGE/NOPB supports rail-to-rail input operation down to 1.6V supply, with common-mode voltage range specified from (V−) − 0.1V to (V+) + 0.1V. At 1.6V, this enables input signals from −0.1V to +1.7V - critical for interfacing with unbuffered sensors in low-voltage energy-harvesting systems.
What is the output drive capability of LPV521MGE/NOPB at 1.8V supply?
At 1.8V supply, LPV521MGE/NOPB delivers ±1mA output current while maintaining rail-to-rail swing. Sourcing/sinking capability drops to ±0.5mA at −40°C to +125°C extremes. Output voltage swing is specified as within 50mV of each rail into 100kΩ load - sufficient for driving SAR ADC reference buffers and comparator inputs.
How does LPV521MGE/NOPB handle EMI from nearby 2.4GHz transceivers?
LPV521MGE/NOPB features integrated EMI hardening with 142dB rejection ratio at 2.4GHz, measured per VRF_PEAK = 100mVP (−20dBm). This is achieved through on-die filtering and layout techniques that suppress RF rectification at the input stage - directly preventing false triggering in smoke detectors co-located with Wi-Fi modules.
Is LPV521MGE/NOPB qualified for automotive applications?
LPV521MGE/NOPB is not AEC-Q200 qualified and is not recommended for automotive safety-critical systems. However, its −40°C to +125°C operating temperature range and robust EMI performance make it suitable for non-safety automotive applications such as cabin environmental sensors and body control module auxiliary monitoring - subject to customer qualification.
LPV521MGE/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 0.0027V/µs
- Gain Bandwidth Product:
- 6.2 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.04 pA
- Voltage - Input Offset:
- 100 µV
- Current - Supply:
- 475nA
- Current - Output / Channel:
- 23 mA
- Voltage - Supply Span (Min):
- 1.6 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-5
LPV521MGE/NOPB FAQ
1.How can I place an order for LPV521MGE/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LPV521MGE/NOPB 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 LPV521MGE/NOPB reliable?
The price and inventory of LPV521MGE/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPV521MGE/NOPB is usually 5 days.
3.What payment methods are accepted for LPV521MGE/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPV521MGE/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPV521MGE/NOPB?
LPV521MGE/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPV521MGE/NOPB 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 LPV521MGE/NOPB?
For technical support, including LPV521MGE/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPV521MGE/NOPB requirements.
6.How does Aetrix verify that LPV521MGE/NOPB is sourced from the original manufacturer or authorized distributors?
All LPV521MGE/NOPB 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 LPV521MGE/NOPB meets industry standards.
7.What is the process for return or replacement of LPV521MGE/NOPB?
All LPV521MGE/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LPV521MGE/NOPB, 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 LPV521MGE/NOPB part is unused and in its original packaging.
Return procedure for LPV521MGE/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LPV521MGE/NOPB Tags
-
LM358DT
STMicroelectronics
-
LM358DR
Texas Instruments
-
LM2904DR
Texas Instruments
-
LM358ADR
Texas Instruments
-
LM2904DGKR
Texas Instruments
-
LM324DR
Texas Instruments
-
MCP6006T-E/OT
Microchip Technology
-
MCP6006UT-E/OT
Microchip Technology
-
LM324PWR
Texas Instruments
-
LM2902PWR
Texas Instruments
-
LM2902DR
Texas Instruments
-
LM358P
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
