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STMicroelectronics LMV822IST
- Part No.:
- LMV822IST
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LMV822IST.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8MINISO
- Quantity:
- Payment:
- Shipping:
Inventory:11,900
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Product details
Overview
LMV822IST from STMicroelectronics is a dual, rail-to-rail output, low-power operational amplifier with shutdown capability, designed for precision signal conditioning in space-constrained automotive and portable systems. It delivers 5.5 MHz gain bandwidth, 0.8 mV max input offset voltage (at 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.
For engineers reviewing the LMV822IST datasheet, LMV822IST pinout, LMV822IST application, or LMV822IST equivalent, this page provides verified pin functions, real-world timing behavior (300 ns turn-on), rail-to-rail output swing under load, automotive-grade temperature validation, and direct alternatives with documented functional trade-offs.
Technical Context
The LMV822IST integrates two independent amplifiers with a dedicated SHDN pin per channel enabling independent power gating. Its input stage supports common-mode voltage down to VCC– – 0.2 V and up to VCC+ – 1 V, with no phase reversal. The rail-to-rail output drives ±26 mA into 600 Ω at 2.7 V while maintaining ≤300 mV headroom from rails.
Shutdown mode reduces total supply current to 50 nA (typ) at 25°C, with defined logic thresholds (VIL ≤ 0.5 V, VIH ≥ VCC – 0.5 V) and fast transition times (ton = 300 ns, toff = 20 ns). Input offset drift is tightly controlled at 1 µV/°C over –40°C to +125°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 5.5 MHz - Enables stable unity-gain buffer or closed-loop gain ≥10 at >500 kHz without peaking. |
| Input Offset Voltage (max) | 0.8 mV at 25°C - Supports <0.1% error in 12-bit ADC front-ends without trimming. |
| Supply Current (per channel) | 400 µA max at 5 V - Allows dual-channel operation on coin-cell batteries for >1 year in sleep-wake cycles. |
| Rail-to-Rail Output Swing | ≤150 mV from rails into 2 kΩ - Preserves dynamic range in low-voltage 3.3 V or 2.7 V systems. |
| Shutdown Current | 50 nA max at 25°C - Reduces system standby power by >99.9% vs active mode. |
| Operating Temperature Range | –40°C to +125°C - Qualified for under-hood automotive sensor interfaces and industrial motor control. |
| Common-Mode Input Range | VCC– – 0.2 V to VCC+ – 1 V - Accepts ground-referenced inputs in single-supply configurations. |
Pinout & Package
LMV822IST is housed in an SO-8 (Small Outline) package with exposed pad (not electrically connected), compliant with JEDEC MS-012. Pin 1 is marked by a notch or dot; device orientation follows standard top-view labeling.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (SHDN1) | Channel 1 shutdown control | Active-low logic input; pull to VCC– to disable amp1 output (high-Z); must not float. |
| 2 (IN–1) | Channel 1 inverting input | Differential input node; supports common-mode down to VCC– – 0.2 V. |
| 3 (IN+1) | Channel 1 non-inverting input | Differential input node; matched bias current enables precision instrumentation use. |
| 4 (VCC–) | Negative supply / ground | Reference for both channels and SHDN pins; decoupling capacitor required. |
| 5 (OUT1) | Channel 1 output | Rail-to-rail capable; sinks/sources ±26 mA at 2.7 V; high-Z in shutdown. |
| 6 (OUT2) | Channel 2 output | Independent rail-to-rail output; identical drive strength and noise performance as OUT1. |
| 7 (IN+2) | Channel 2 non-inverting input | Electrically isolated from CH1; enables dual-sensor signal paths with shared supply. |
| 8 (SHDN2) | Channel 2 shutdown control | Independent active-low enable; allows asymmetric power management per channel. |
Key Features
| Feature | Design Value |
|---|---|
| Low-power shutdown mode | 50 nA max ICC per channel enables ultra-low-quiescent subsystems (e.g., always-on vehicle wake-up sensors). |
| Enhanced accuracy (A-grade) | 0.8 mV max VIO and 1 µV/°C drift support uncalibrated medical ECG front-ends and battery voltage monitors. |
| Rail-to-rail output with high drive | ±26 mA sink/source into 600 Ω preserves linearity in active filters driving ADC reference buffers or transimpedance stages. |
| Automotive qualification | AEC-Q100 Grade 1 compliance ensures reliability in engine control units, body electronics, and ADAS sensor nodes. |
| Wide supply range | 2.5 V to 5.5 V operation supports direct integration with Li-ion (3.0–4.2 V), 3.3 V logic, and 5 V legacy systems. |
Applications
| Automotive Sensor Signal Conditioning | Portable Medical Instrumentation |
|---|---|
|
Use Scenario: Amplifying low-level signals from thermistors, pressure sensors, or Hall-effect position sensors in engine control modules. IC Role / Device Role / Timing Role: Dual-channel precision amplifier with independent shutdown manages multiple sensor inputs while minimizing ECU standby power. Use Value: 125°C operation and AEC-Q100 qualification ensure long-term stability in under-hood environments; rail-to-rail output maximizes ADC utilization. |
Use Scenario: Front-end amplification for wearable ECG or pulse oximetry devices powered by coin cells. IC Role / Device Role / Timing Role: Low-noise, low-offset dual op-amp with shutdown enables synchronized analog acquisition and deep-sleep modes. Use Value: 400 µA/channel active current and 50 nA shutdown extend battery life beyond 12 months; 0.8 mV VIO avoids calibration in disposable sensors. |
| Active Filtering in Battery-Powered Audio | Industrial Process Monitoring |
|
Use Scenario: 2nd-order Sallen-Key anti-aliasing filter preceding audio ADCs in Bluetooth headsets or voice recorders. IC Role / Device Role / Timing Role: Dual op-amp implements filter topology with matched gain-bandwidth and phase margin (60°) for stable response. Use Value: 5.5 MHz GBP supports cutoff frequencies up to 100 kHz; rail-to-rail swing prevents clipping at 3.3 V supply. |
Use Scenario: Isolated 4–20 mA transmitter interface with voltage-to-current conversion and loop diagnostics. IC Role / Device Role / Timing Role: One channel conditions sensor voltage; second channel drives current output stage with precise gain and offset control. Use Value: –40°C to +125°C range accommodates factory floor extremes; high CMRR (75 dB) rejects noise in noisy plant 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 |
|---|---|---|---|
| TSV852IDT | Lower quiescent current (180 µA max), but reduced GBP (1.3 MHz) and higher VIO (1.8 mV max). | Better for ultra-low-power always-on monitoring; unsuitable for >100 kHz signal chains or precision DC sensing. | Select when battery life dominates bandwidth/accuracy requirements; verify loop stability with lower GBP. |
| LMV822IDR | Same electrical specs, but SOIC-8 package without exposed pad and non-automotive qualification. | Limited to commercial-temperature industrial or consumer applications; lacks AEC-Q100 traceability. | Choose for cost-sensitive non-automotive designs where extended temperature and qualification are unnecessary. |
Compared with TSV852IDT, LMV822IST trades 220 µA higher supply current for 4.2 MHz more bandwidth and 1 mV lower offset-critical for sensor front-ends requiring both speed and DC precision. Versus LMV822IDR, it adds automotive reliability at identical performance, justifying the IST suffix's qualified process and screening.
Availability
LMV822IST is available at Aetrix Electronics and suitable for automotive sensor interfaces, portable medical devices, and industrial process monitoring requiring stable component supply with full AEC-Q100 documentation and lot traceability.
Supply support for LMV822IST 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, power ICs, sensors, and analog components for automotive, industrial, and consumer markets.
The LMV82x series belongs to ST's precision analog portfolio, engineered specifically for low-voltage, high-accuracy signal conditioning in harsh environments-emphasizing rail-to-rail operation, wide temperature resilience, and integrated power management.
FAQ
What is the function of the SHDN pins on LMV822IST?
Each SHDN pin (pins 1 and 8) independently controls its respective amplifier channel. Pulling SHDN low disables the amplifier, placing its output in high-impedance state and reducing supply current to ≤50 nA. SHDN must be driven to VCC– or VCC+; floating is prohibited. Turn-on time is 300 ns, turn-off time is 20 ns under specified load conditions.
Does LMV822IST support true rail-to-rail input?
No-LMV822IST features rail-to-rail *output* only. Its input common-mode range extends from VCC– – 0.2 V to VCC+ – 1 V, allowing ground-referenced inputs but not full rail-to-rail input swing. This architecture maintains precision and stability while supporting single-supply operation in most sensor interface applications.
Can LMV822IST drive capacitive loads directly?
Stable operation is guaranteed for capacitive loads ≤40 pF with 10 kΩ series resistance. For larger loads (e.g., ADC input capacitance), external isolation resistors (≥100 Ω) are required to maintain phase margin ≥60°, as confirmed in Figure 13 of the datasheet. Uncompensated 100 pF loads cause gain peaking and potential oscillation.
How does LMV822IST compare to LMV358 in automotive use?
LMV822IST outperforms LMV358 with 5.5 MHz GBP (vs. 1 MHz), 0.8 mV max VIO (vs. 7 mV), and AEC-Q100 Grade 1 qualification. LMV358 lacks shutdown, has narrower temperature range (–40°C to +85°C), and exhibits significant output phase reversal near rails-making LMV822IST the validated choice for modern automotive signal chains demanding accuracy, speed, and reliability.
LMV822IST Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- 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 (x2 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:
- 8-MiniSO
LMV822IST FAQ
1.How can I place an order for LMV822IST through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV822IST 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 LMV822IST reliable?
The price and inventory of LMV822IST are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV822IST is usually 5 days.
3.What payment methods are accepted for LMV822IST?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV822IST transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV822IST?
LMV822IST orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV822IST 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 LMV822IST?
For technical support, including LMV822IST datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV822IST requirements.
6.How does Aetrix verify that LMV822IST is sourced from the original manufacturer or authorized distributors?
All LMV822IST 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 LMV822IST meets industry standards.
7.What is the process for return or replacement of LMV822IST?
All LMV822IST units undergo pre-shipment inspection (PSI). If there is an issue with LMV822IST, 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 LMV822IST part is unused and in its original packaging.
Return procedure for LMV822IST:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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