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Texas Instruments LMV822M/NOPB
- Part No.:
- LMV822M/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMV822M/NOPB.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:28,871
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Product details
Overview
LMV822M/NOPB from Texas Instruments is a dual, rail-to-rail output (RRO), low-voltage operational amplifier optimized for 2.5 V to 5.5 V single-supply operation. It delivers 5 MHz gain-bandwidth product, 1.4 V/µs minimum slew rate, and 3.5 mV max input offset voltage at 2.7 V supply, enabling precision signal conditioning in space-constrained portable electronics such as laptops and cellular handsets.
For engineers reviewing the LMV822M/NOPB datasheet, LMV822M/NOPB pinout, LMV822M/NOPB application, or LMV822M/NOPB equivalent, key selection criteria include its RRO swing into 600 Ω (160 mV from rail), 220 µA per amplifier quiescent current at 2.7 V, −40°C to +85°C industrial temperature range, and SOIC-8/VSSOP-8 package compatibility.
Technical Context
The LMV822M/NOPB employs a CMOS-input stage with rail-to-rail output stage, supporting true single-supply operation down to 2.5 V while maintaining stable performance with capacitive loads up to several hundred pF. Its input common-mode range includes ground (−0.3 V at 5 V supply), enabling direct sensing of near-ground signals without level-shifting.
Internally compensated for unity-gain stability, it achieves 67° phase margin at 5 V with 10 kΩ load and exhibits >135 dB amp-to-amp isolation-critical for dual-channel applications requiring minimal crosstalk, such as stereo audio preamps or differential sensor interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.5 V to 5.5 V - supports direct integration into Li-ion battery-powered systems (3.0–4.2 V) and 3.3 V logic rails without regulation. |
| Gain-Bandwidth Product | 5 MHz at 2.7 V - enables stable closed-loop operation up to ~100 kHz with gain ≥50, suitable for anti-aliasing and active filtering. |
| Slew Rate | 1.4 V/µs min at 5 V - supports 100 kHz full-power bandwidth for 2 VPP signals, sufficient for audio and sensor signal amplification. |
| Input Offset Voltage | 3.5 mV max - ensures ≤0.7% error in 500 mV full-scale sensor outputs without trimming. |
| Quiescent Current | 0.45 mA typical per dual amplifier at 2.7 V - enables dual-channel operation under 1 mA total, critical for battery life in portable devices. |
| Rail-to-Rail Output | 160 mV from rail into 600 Ω - delivers >95% of full supply swing for maximum dynamic range in low-voltage ADC driver stages. |
| CMRR / PSRR | 90 dB / 85 dB - rejects power supply noise and common-mode interference in noisy embedded environments like motor control boards. |
Pinout & Package
LMV822M/NOPB is packaged in an 8-pin SOIC (D) package measuring 4.90 mm × 3.91 mm, with thermal resistance RθJA = 132.6°C/W. Pin functions are standardized across the LMV82x family.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (Channel A) | High-impedance node accepting feedback or signal inversion; bias current ≤100 nA enables high-Z sensor interfacing. |
| 2 | Non-Inverting Input (Channel A) | Direct connection point for reference or sensor inputs; common-mode range extends to −0.3 V at 5 V supply. |
| 3 | Output (Channel A) | Rail-to-rail capable output driving 600 Ω loads within 160 mV of supply rails; sourcing/sinking up to 45 mA. |
| 4 | Negative Supply (V−) | Ground reference for single-supply operation; supports true 0 V input capability when tied to system GND. |
| 5 | Non-Inverting Input (Channel B) | Independent input for second channel; enables dual-path signal processing without inter-channel coupling. |
| 6 | Inverting Input (Channel B) | Feedback or signal inversion node for Channel B; identical electrical characteristics to Pin 1. |
| 7 | Output (Channel B) | Second independent RRO output; >135 dB isolation from Channel A prevents crosstalk in stereo or differential designs. |
| 8 | Positive Supply (V+) | Accepts 2.5–5.5 V; internal regulation ensures stable biasing across voltage range; low PSRR minimizes supply ripple impact. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-Rail Output (RRO) | Swings within 160 mV of supply rails into 600 Ω, maximizing usable output voltage range in low-voltage systems. |
| Low Quiescent Current | 0.45 mA typical per dual amplifier at 2.7 V - enables always-on sensor monitoring with sub-1 mA total current draw. |
| Stable with Capacitive Loads | Compensated for unity-gain stability even with ≥100 pF capacitive loads, eliminating need for external isolation resistors. |
| Wide Input Common-Mode Range | Includes ground (−0.3 V at 5 V), allowing direct interface to 0–VREF sensors without level-shifting circuitry. |
| High Amp-to-Amp Isolation | >135 dB - ensures negligible signal coupling between channels in dual-path applications like I/V conversion pairs. |
Applications
| Portable Audio Preamp | Laptop Battery Monitor |
|---|---|
Use Scenario: Amplifying microphone or line-level audio signals in ultra-thin notebooks with 3.3 V supply rails. IC Role / Device Role / Timing Role: Dual-channel non-inverting amplifier providing gain and DC blocking, with RRO output driving 10 kΩ codec inputs. Use Value: 5 MHz GBW and 1.4 V/µs slew rate preserve audio fidelity up to 20 kHz; 0.45 mA total quiescent current extends battery runtime. |
Use Scenario: Sensing cell voltage and current in multi-cell Li-ion battery packs using shunt-based measurement. IC Role / Device Role / Timing Role: Dual op-amp configured as precision difference amplifier (voltage) and transimpedance amplifier (current). Use Value: 3.5 mV max VOS ensures <±10 mV absolute error in 4.2 V full-scale reading; rail-to-rail output interfaces directly to 12-bit SAR ADC. |
| Cellular Baseband Filter | Industrial Sensor Signal Chain |
Use Scenario: Active filtering of baseband I/Q signals prior to DAC in 3G/4G RF front-end modules. IC Role / Device Role / Timing Role: Dual-channel Sallen-Key low-pass filter with programmable cutoff up to 200 kHz. Use Value: 5 MHz GBW supports filter Q ≥5 without peaking; >135 dB channel isolation prevents I/Q crosstalk degrading EVM. |
Use Scenario: Conditioning low-level outputs from RTD, thermocouple, or bridge sensors in factory automation PLC modules. IC Role / Device Role / Timing Role: Instrumentation-grade signal conditioning stage with gain, offset correction, and RRO buffering. Use Value: 90 dB CMRR rejects 50/60 Hz mains noise; −40°C to +85°C rating ensures reliability in uncontrolled industrial enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual low-voltage op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2462IDR | Higher 6.4 MHz GBW, 1.6 V/µs slew rate, but 550 µA per amplifier supply current; VOS = 2 mV max. | Better AC performance at cost of 22% higher quiescent current; suited for higher-speed filtering where power budget allows. | Select TLV2462IDR when >5 MHz bandwidth or lower offset is required and supply current <0.6 mA per channel is acceptable. |
| MCP6022-I/SN | Lower 170 µA per amplifier supply current, but only 2.8 MHz GBW and 2.3 V/µs slew rate; VOS = 2.5 mV max. | Optimized for ultra-low power, not speed; better for always-on sensor wake-up circuits than audio or baseband paths. | Choose MCP6022-I/SN when minimizing standby current is primary, and bandwidth requirements are ≤100 kHz. |
Compared with TLV2462IDR and MCP6022-I/SN, LMV822M/NOPB uniquely balances 5 MHz bandwidth, 1.4 V/µs slew rate, and 0.45 mA quiescent current - making it optimal for portable systems needing both speed and battery efficiency without trade-offs in either domain.
Availability
LMV822M/NOPB is available at Aetrix Electronics and suitable for laptop battery management, portable audio signal chains, cellular baseband filtering, and industrial sensor conditioning requiring stable component supply across production lifecycles.
Supply support for LMV822M/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 precision amplifiers and low-power signal conditioning.
The LMV82x family was designed specifically for low-voltage, low-power portable electronics - delivering rail-to-rail output, micropower operation, and robust AC performance in compact SOIC and VSSOP packages.
FAQ
What is the operating temperature range for LMV822M/NOPB?
The LMV822M/NOPB is specified for industrial operation from −40°C to +85°C. This range is confirmed in Section 6.3 (Recommended Operating Conditions) of the SNOS032I datasheet and applies to all LMV82x-N variants, including LMV822M/NOPB. It does not meet automotive AEC-Q100 Grade 1 requirements - that qualification applies only to the LMV822-N-Q1 variant.
Does LMV822M/NOPB support true single-supply operation with input signals at ground?
Yes. The LMV822M/NOPB features an input common-mode voltage range extending to −0.3 V at 5 V supply (Section 6.10), meaning it accepts inputs at 0 V (ground) in single-supply configurations. This eliminates the need for level-shifting circuitry when interfacing with grounded sensors or DAC outputs.
What is the maximum capacitive load LMV822M/NOPB can drive without instability?
The LMV822M/NOPB is internally compensated for unity-gain stability and remains stable with capacitive loads up to at least 200 pF, as verified by Figure 22–25 in the SNOS032I datasheet (Gain/Phase Margin vs. Frequency with CL = 100 pF, 200 pF). No external compensation is required for typical PCB trace or ADC input capacitance.
Can LMV822M/NOPB be used in a 2.5 V supply system?
Yes. LMV822M/NOPB is fully specified at 2.5 V, 2.7 V, and 5 V supplies (Section 6.8 and 6.10). At 2.5 V, it maintains 5 MHz gain-bandwidth product, 1.5 V/µs typical slew rate, and rail-to-rail output swing within 200 mV of rails into 600 Ω - making it ideal for modern ultra-low-voltage microcontroller peripherals.
Is LMV822M/NOPB pin-compatible with other dual op-amps in SOIC-8?
No documented pin-compatible replacements exist for LMV822M/NOPB in standard SOIC-8. While functional alternatives like TLV2462IDR share the same package footprint, their pinouts differ: TLV2462IDR places V− on Pin 4 and V+ on Pin 8, whereas LMV822M/NOPB uses Pin 4 for V− and Pin 8 for V+. PCB layout changes are required for substitution.
LMV822M/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMV®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 2V/µs
- Gain Bandwidth Product:
- 5.6 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 40 nA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 500µA (x2 Channels)
- Current - Output / Channel:
- 45 mA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
LMV822M/NOPB FAQ
1.How can I place an order for LMV822M/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV822M/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 LMV822M/NOPB reliable?
The price and inventory of LMV822M/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV822M/NOPB is usually 5 days.
3.What payment methods are accepted for LMV822M/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV822M/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV822M/NOPB?
LMV822M/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV822M/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 LMV822M/NOPB?
For technical support, including LMV822M/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV822M/NOPB requirements.
6.How does Aetrix verify that LMV822M/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV822M/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 LMV822M/NOPB meets industry standards.
7.What is the process for return or replacement of LMV822M/NOPB?
All LMV822M/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV822M/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 LMV822M/NOPB part is unused and in its original packaging.
Return procedure for LMV822M/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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