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STMicroelectronics LMV825IPT
- Part No.:
- LMV825IPT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
LMV825IPT.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,099
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Product details
Overview
LMV825IPT from STMicroelectronics is a quad-channel, rail-to-rail output operational amplifier with integrated shutdown control, designed for low-power signal conditioning in automotive and portable systems. It delivers 5.5 MHz gain bandwidth, 0.8 mV max input offset voltage (25°C), 400 µA max supply current per channel at 5 V, and operates from 2.5 V to 5.5 V across –40°C to +125°C. It is used in battery-powered sensor front-ends requiring precision, low quiescent power, and thermal robustness.
For engineers reviewing the LMV825IPT datasheet, LMV825IPT pinout, LMV825IPT application, or LMV825IPT equivalent, key selection criteria include shutdown-enabled power gating, rail-to-rail output swing under 2 kΩ load, guaranteed performance over automotive temperature range, and compatibility with 2.5 V single-supply systems in space-constrained PCB layouts.
Technical Context
The LMV825IPT implements a CMOS input stage with rail-to-rail output stage, enabling full-swing operation from 2.5 V supply while maintaining 70–90 dB common-mode rejection and 70–75 dB supply voltage rejection. Its shutdown logic uses TTL-compatible thresholds (VIH = VCC–0.5 V, VIL = 0.5 V) to disable all four amplifiers simultaneously, reducing total ICC to ≤50 nA at 25°C.
It features 1.2–1.9 V/µs slew rate (depending on supply), 16–18 nV/√Hz input voltage noise at 1 kHz, and stable unity-gain operation with ≥60° phase margin into capacitive loads up to 200 pF - verified across –40°C to +125°C without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | Quad - enables compact multi-signal conditioning (e.g., 4-sensor analog front-end) in single TSSOP16 package. |
| Gain Bandwidth Product | 5.5 MHz - supports closed-loop bandwidth >1 MHz with gain ≥5, suitable for active filtering and fast-settling instrumentation. |
| Input Offset Voltage | 0.8 mV max at 25°C - eliminates need for system-level trimming in medical or automotive sensor signal chains. |
| Supply Current per Channel | 400 µA max at 5 V - enables >10-year battery life in always-on monitoring nodes powered by coin cells or small Li-ion. |
| Shutdown Current | 50 nA max at 25°C - reduces standby power by >8,000× vs active mode, critical for duty-cycled automotive ECUs. |
| Rail-to-Rail Output Swing | ≤150 mV from rails into 2 kΩ - preserves dynamic range in 3.3 V or lower ADC interfaces without level-shifting. |
| Operating Temperature | –40°C to +125°C - meets AEC-Q100 Grade 1 requirements for under-hood and cabin electronics. |
Pinout & Package
TSSOP16 package: 5 mm × 4.4 mm × 1.2 mm body, 0.65 mm pitch, exposed pad (not electrically connected), RoHS-compliant, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (SHDN1) | Channel 1 shutdown control | Active-low logic input; pulls amplifier into high-Z output and 50 nA ICC state when tied to V–. |
| 2 (OUT1) | Channel 1 output | Rail-to-rail capable; drives 2 kΩ load to within 150 mV of V+ or V– at 25°C. |
| 3 (IN–1) | Channel 1 inverting input | CMOS input; bias current <120 nA (max); common-mode range extends to V– –0.2 V. |
| 4 (IN+1) | Channel 1 non-inverting input | Matches IN–1; supports single-ended or differential sensing with matched offset drift (1 µV/°C). |
| 5 (V–) | Negative supply rail | Ground reference for single-supply operation; also serves as SHDN logic low reference. |
| 6 (IN+2) | Channel 2 non-inverting input | Electrically isolated from CH1; enables independent dual-path signal processing in same footprint. |
| 7 (IN–2) | Channel 2 inverting input | Matched DC specs to CH1; supports common-mode rejection >70 dB across full temperature range. |
| 8 (OUT2) | Channel 2 output | Identical AC/DC performance to OUT1; allows simultaneous dual-output buffering or filtering. |
| 9 (OUT3) | Channel 3 output | Third independent output; enables 3-channel sensor interface (e.g., XYZ-axis accelerometer). |
| 10 (IN–3) | Channel 3 inverting input | Same input structure as CH1/CH2; supports daisy-chained or parallel configurations. |
| 11 (IN+3) | Channel 3 non-inverting input | Enables differential gain stages with matched Vio drift for temperature-stable gain accuracy. |
| 12 (SHDN2) | Channel 2 shutdown control | Independent from SHDN1; allows selective channel disabling for dynamic power management. |
| 13 (V+) | Positive supply rail | Accepts 2.5–5.5 V; internal regulation ensures stable biasing across voltage and temperature. |
| 14 (IN+4) | Channel 4 non-inverting input | Completes quad configuration; supports 4-wire bridge sensor excitation and readout. |
| 15 (IN–4) | Channel 4 inverting input | Paired with IN+4 for precision differential amplification with <2 mV total offset over temperature. |
| 16 (OUT4) | Channel 4 output | Final output; enables full 4-channel analog signal chain integration without external op-amps. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive-grade qualification | AEC-Q100 qualified for Grade 1 (–40°C to +125°C), enabling use in engine control, ADAS sensors, and body electronics. |
| Shutdown-controlled power gating | Reduces total quiescent current from 1.6 mA (4 × 400 µA) to ≤200 nA (4 × 50 nA) - extends battery life in wake-on-event systems. |
| Rail-to-rail output with low headroom | Delivers 3.0 Vpp swing from 3.3 V supply (VOL/VOH ≤150 mV), maximizing ADC utilization without external level shifters. |
| Low input offset voltage drift | 1 µV/°C max - ensures <1.2 mV total Vio shift across full temperature range, critical for uncalibrated industrial sensors. |
| Stable capacitive-load drive | Maintains ≥60° phase margin with CL up to 200 pF - eliminates need for isolation resistors in ADC driver or filter applications. |
Applications
| Automotive Cabin Sensor Hub | Portable ECG Front-End |
|---|---|
|
Use Scenario: Signal conditioning for 4-channel cabin air quality sensor array (CO₂, VOC, humidity, temperature) in HVAC control module. IC Role / Device Role / Timing Role: Quad amplifier buffers and filters each sensor's analog output prior to multiplexed ADC sampling; shutdown disables unused channels during sleep mode. Use Value: Enables single-chip analog acquisition for 4 sensors with <2 mV total offset error over –40°C to +85°C, reducing BOM count and PCB area by 60% vs discrete solutions. |
Use Scenario: Low-noise, low-power amplification of dry-electrode ECG signals in wearable patch monitor. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier (INA) using two channels in difference configuration; remaining channels condition respiration and motion artifacts. Use Value: 16 nV/√Hz input noise and 0.8 mV Vio enable sub-µV signal detection; 400 µA/channel ICC supports >7-day runtime on 120 mAh battery. |
| Battery-Powered Industrial Logger | Active Low-Pass Filter Bank |
|
Use Scenario: Analog front-end for 4-channel thermocouple/data logger deployed in remote oil-field equipment. IC Role / Device Role / Timing Role: Each channel performs cold-junction compensation, gain adjustment, and anti-alias filtering before SAR ADC conversion. Use Value: Extended –40°C to +125°C operation guarantees accuracy in desert environments; shutdown cuts leakage to <1 µA during 99% idle time. |
Use Scenario: 4-pole active low-pass filtering for audio codec line-out path in automotive infotainment head unit. IC Role / Device Role / Timing Role: Configured as cascaded Sallen-Key stages (2× 2nd-order), with shutdown disabling filter during mute or standby. Use Value: 5.5 MHz GBP supports 20 kHz cutoff with <0.1 dB passband ripple; rail-to-rail output prevents clipping at 3.3 V supply. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSV854IST | Lower ICC (180 µA max per channel), but reduced GBP (1.3 MHz) and no shutdown function. | Suitable for ultra-low-power always-on monitoring where bandwidth <200 kHz suffices and shutdown is unnecessary. | Select when minimizing average current dominates over signal bandwidth or channel control flexibility. |
| LMV844QMTX/NOPB | Automotive-qualified quad op-amp with identical TSSOP16 package, but higher Vio (1.8 mV max) and no shutdown. | Used in cost-sensitive automotive modules where shutdown is handled externally and offset calibration is acceptable. | Choose if legacy design reuse or second-source availability is prioritized over lowest Vio and integrated power control. |
Compared with TSV854IST and LMV844QMTX/NOPB, the LMV825IPT uniquely combines automotive qualification, integrated shutdown, 5.5 MHz bandwidth, and 0.8 mV Vio in one TSSOP16 device - making it optimal for next-generation battery-aware, high-fidelity sensor systems where channel-level power management and precision are co-required.
Availability
LMV825IPT is available at Aetrix Electronics and suitable for automotive signal conditioning, portable medical instrumentation, battery-powered data loggers, and active filtering applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LMV825IPT 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, analog ICs, MEMS, and power devices for industrial, automotive, and consumer markets.
The LMV82x series belongs to ST's precision analog portfolio, engineered specifically for low-voltage, low-power, high-accuracy signal conditioning in harsh-environment applications - with emphasis on automotive-grade reliability and seamless integration into space-constrained PCBs.
FAQ
What is the maximum capacitive load the LMV825IPT can drive while maintaining stability?
The LMV825IPT maintains ≥60° phase margin driving up to 200 pF capacitive load with 10 kΩ series resistance, as validated in Figure 10 and Figure 11 of the datasheet. No external compensation is required for unity-gain follower or 2nd-order active filter configurations within this limit. For loads exceeding 200 pF, a 10–100 Ω isolation resistor between output and capacitor restores stability without degrading DC accuracy.
How does the shutdown function affect output state and channel independence?
When any SHDN pin (SHDN1–SHDN4) is pulled low, only its corresponding amplifier channel enters high-impedance output and 50 nA ICC state; other channels remain fully operational. The output floats (not clamped), so external pull-up/down resistors may be needed to prevent floating nodes in multiplexed systems. Turn-off time is ≤20 ns, turn-on time ≤300 ns, measured at ±200 mV output transition.
Can the LMV825IPT operate reliably from a 2.5 V single supply with rail-to-rail input?
No - while the LMV825IPT supports 2.5 V minimum supply and rail-to-rail *output*, its input common-mode range extends only to V– –0.2 V and V+ –1 V. At 2.5 V supply, inputs must stay within –0.2 V to +1.5 V; ground-referenced signals require level-shifting or use of the LMV825A variant with enhanced input offset specs. Input phase reversal does not occur within this valid range.
What is the thermal performance of the TSSOP16 package in high-temperature automotive environments?
The TSSOP16 package has RthJA = 95 °C/W (typical). At maximum 4 × 400 µA ICC (1.6 mA) and 5.5 V supply, power dissipation is ~8.8 mW, resulting in <0.84°C junction rise above ambient. Even at +125°C ambient and worst-case RthJA, TJ remains well below the 150°C absolute maximum, satisfying AEC-Q100 thermal requirements without heatsinking.
LMV825IPT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 1.9V/µs
- Gain Bandwidth Product:
- 5.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 60 nA
- Voltage - Input Offset:
- 3.5 mV
- Current - Supply:
- 300µA (x4 Channels)
- Current - Output / Channel:
- 70 mA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP
LMV825IPT FAQ
1.How can I place an order for LMV825IPT through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV825IPT 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 LMV825IPT reliable?
The price and inventory of LMV825IPT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV825IPT is usually 5 days.
3.What payment methods are accepted for LMV825IPT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV825IPT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV825IPT?
LMV825IPT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV825IPT 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 LMV825IPT?
For technical support, including LMV825IPT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV825IPT requirements.
6.How does Aetrix verify that LMV825IPT is sourced from the original manufacturer or authorized distributors?
All LMV825IPT 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 LMV825IPT meets industry standards.
7.What is the process for return or replacement of LMV825IPT?
All LMV825IPT units undergo pre-shipment inspection (PSI). If there is an issue with LMV825IPT, 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 LMV825IPT part is unused and in its original packaging.
Return procedure for LMV825IPT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LMV825IPT Tags
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