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Texas Instruments LMV982IDGSRG4
- Part No.:
- LMV982IDGSRG4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LMV982IDGSRG4.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 10VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,510
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Product details
Overview
LMV982IDGSRG4 from Texas Instruments is a dual, rail-to-rail input/output operational amplifier optimized for 1.8-V to 5-V single-supply operation. It delivers 1.4-MHz gain bandwidth, 100-µA per-channel quiescent current, and shutdown capability with 0.178-µA typical supply current. Designed for low-voltage portable systems, it enables precision signal conditioning in battery-powered industrial metering and automotive sensor interfaces.
For engineers reviewing the LMV982IDGSRG4 datasheet, LMV982IDGSRG4 pinout, LMV982IDGSRG4 application, or LMV982IDGSRG4 equivalent, key selection criteria include rail-to-rail output swing (80 mV from rail at 600 Ω), input common-mode range extending 200 mV beyond rails, and 8.4-µs turn-on time from shutdown at 5 V.
Technical Context
The LMV982IDGSRG4 integrates two independent amplifiers in a single 10-pin MSOP package, each featuring Class AB output stage and internal bias control for stable rail-to-rail operation across 1.8–5 V. Its input stage uses complementary P/N-channel input pairs enabling 200-mV beyond-rail common-mode range.
Shutdown functionality is implemented via dedicated SHDNA/SHDNB pins per channel, reducing supply current to sub-µA levels while maintaining fast 8.4-µs wake-up at 5 V. The device achieves 71° phase margin and 8-dB gain margin at 5 V with 600-Ω load and 150-pF capacitive load, supporting stable unity-gain buffer configurations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8 V to 5 V - supports direct connection to single-cell Li-ion (3.0–3.7 V) or two-cell alkaline (2.4–3.2 V) batteries without regulation. |
| Gain Bandwidth Product | 1.4 MHz - enables stable closed-loop operation up to ~100 kHz with gain ≥14, suitable for anti-aliasing and sensor signal amplification. |
| Quiescent Current per Channel | 100 µA - allows continuous operation for >1 year on a 200-mAh coin cell in always-on monitoring circuits. |
| Input Offset Voltage (max) | 7.5 mV - ensures ≤0.75% full-scale error in 1-V reference-based 12-bit ADC front-ends at room temperature. |
| Rail-to-Rail Output Swing | 80 mV from rail into 600 Ω - preserves >95% dynamic range at 1.8 V supply, critical for maximizing SNR in low-voltage data acquisition. |
| Common-Mode Input Range | VCC− − 0.2 V to VCC+ + 0.2 V - accepts inputs 200 mV below ground or above VCC, simplifying level-shifting in mixed-supply systems. |
| Turn-On Time from Shutdown | 8.4 µs at 5 V - enables rapid wake-up in duty-cycled sensor nodes without compromising response latency. |
Pinout & Package
LMV982IDGSRG4 is housed in a 10-pin MSOP (DGS) package with 0.5-mm pitch, 3.0-mm × 3.0-mm footprint, and exposed thermal pad for enhanced power dissipation. Thermal impedance θJA is 165°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUTA) | Amplifier A output | Delivers rail-to-rail voltage swing; drives 600-Ω loads with ≤80-mV headroom at 1.8 V. |
| 2 (−INA) | Inverting input A | High-impedance node (65-nA bias current); accepts signals from VCC− −0.2 V to VCC+ +0.2 V. |
| 3 (+INA) | Non-inverting input A | Matches −INA characteristics; enables differential or single-ended configurations with matched offset. |
| 4 (VCC−/GND) | Negative supply / ground | Reference for single-supply operation; connects to system ground or negative rail in split-supply designs. |
| 5 (SHDNA) | Shutdown control A | Pull low to disable Amplifier A; draws only 0.178 µA typical in shutdown mode at 1.8 V. |
| 6 (VCC+) | Positive supply | Accepts 1.8–5 V; supplies both amplifiers and internal bias circuitry with <210-µA total quiescent draw. |
| 7 (OUTB) | Amplifier B output | Independent output identical to OUTA; enables dual-channel signal processing without cross-talk (123-dB isolation). |
| 8 (−INB) | Inverting input B | Electrically isolated from −INA; supports simultaneous dual-sensor conditioning with minimal crosstalk. |
| 9 (+INB) | Non-inverting input B | Matches +INA performance; maintains consistent CMRR (≥55 dB) across full temperature range (−40°C to 125°C). |
| 10 (SHDNB) | Shutdown control B | Independent enable/disable for Amplifier B; allows asymmetric power management in multi-stage analog chains. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables full utilization of 1.8-V supply range: input accepts signals down to −0.2 V, output swings within 80 mV of either rail into 600 Ω. |
| Dual independent shutdown controls | SHDNA and SHDNB pins allow per-amplifier power gating, reducing system-level quiescent current by >99% when channels are idle. |
| Extended common-mode input range | Operates with inputs 200 mV beyond supply rails, eliminating need for external level shifters in ground-referenced sensor interfaces. |
| Low-noise, low-distortion performance | 60-nV/√Hz input voltage noise and 0.022% THD at 1 kHz support high-fidelity audio and precision measurement applications. |
| High amp-to-amp isolation | 123-dB isolation between channels prevents signal coupling in dual-path designs such as stereo audio or differential sensor pairs. |
Applications
| Industrial Energy Metering | Automotive Cabin Sensors |
|---|---|
Use Scenario: Precision current sensing in smart electricity meters using shunt resistors and 16-bit delta-sigma ADCs. IC Role / Device Role / Timing Role: Dual op-amp buffers and gain stages condition bidirectional current signals before digitization. Use Value: Rail-to-rail I/O and 7.5-mV max VIO maintain accuracy across 1.8–5-V supply variations caused by battery aging or line transients. | Use Scenario: Signal conditioning for MEMS-based cabin temperature and humidity sensors in automotive HVAC modules. IC Role / Device Role / Timing Role: Dual-channel amplifier providing matched gain and offset correction for analog sensor outputs. Use Value: −40°C to 125°C operating range and 55-dB CMRR ensure stable performance across vehicle thermal cycles without calibration drift. |
| Portable Audio Line Drivers | Battery Monitoring Circuits |
Use Scenario: Low-power headphone driver and line-out stage in portable media players powered by single Li-ion cells. IC Role / Device Role / Timing Role: Dual op-amp configured as unity-gain buffer and active filter for analog audio paths. Use Value: 0.35-V/µs slew rate and 1.4-MHz GBW preserve audio fidelity up to 20 kHz while consuming only 200 µA total quiescent current. | Use Scenario: Real-time voltage and current monitoring in rechargeable battery packs for laptops and power tools. IC Role / Device Role / Timing Role: One amplifier measures cell voltage via resistive divider; second monitors shunt voltage for Coulomb counting. Use Value: Independent shutdown pins allow dynamic power cycling-disabling unused channel reduces leakage during sleep modes without firmware overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP6002-E/SN | Lower 100-kHz GBW, no shutdown pins, 100-µA quiescent current per channel | Lacks per-channel shutdown; unsuitable for asymmetric power management in multi-stage analog chains | Select when shutdown functionality is unnecessary and cost sensitivity outweighs feature requirements |
| TSV912IDT | Higher 8-MHz GBW, 160-µA quiescent current, rail-to-rail I/O but no beyond-rail input range | Cannot accept inputs below ground or above VCC; requires external level shifting for ground-referenced sensors | Select when higher bandwidth is required and input common-mode range is constrained to supply rails |
Compared with MCP6002-E/SN and TSV912IDT, LMV982IDGSRG4 uniquely combines per-channel shutdown, 200-mV beyond-rail input capability, and 1.4-MHz bandwidth at sub-100-µA quiescent current-enabling lower-system-power sensor interfaces with simplified analog front-end design.
Availability
LMV982IDGSRG4 is available at Aetrix Electronics and suitable for industrial energy metering, automotive cabin sensors, portable audio line drivers, and battery monitoring circuits requiring stable component supply across extended temperature ranges.
Supply support for LMV982IDGSRG4 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 company specializing in analog and embedded processing technologies, with leadership in precision amplifiers, power management, and signal chain solutions.
The LMV98x product line targets ultra-low-voltage, low-power operational amplifiers for portable and battery-operated systems, emphasizing rail-to-rail performance, shutdown efficiency, and robust operation from −40°C to 125°C.
FAQ
What is the maximum supply voltage rating for LMV982IDGSRG4?
The absolute maximum supply voltage (VCC+ − VCC−) for LMV982IDGSRG4 is 5.5 V. Operation beyond this limit risks permanent damage. The device is characterized for recommended operation from 1.8 V to 5 V, making it compatible with standard single-cell Li-ion (3.0–3.7 V) and regulated 3.3-V or 5-V rails. At 5 V, it delivers optimal output drive strength and bandwidth.
Does LMV982IDGSRG4 support true rail-to-rail input operation?
Yes, LMV982IDGSRG4 supports true rail-to-rail input operation with a common-mode input voltage range from VCC− − 0.2 V to VCC+ + 0.2 V. This 200-mV beyond-rail capability allows direct interfacing with ground-referenced sensors or signals exceeding the supply rails-eliminating external level shifters in applications like current-sense amplifiers or thermistor bridges where inputs may dip below ground.
How does the shutdown feature function on LMV982IDGSRG4?
LMV982IDGSRG4 provides independent shutdown control via SHDNA (Pin 5) and SHDNB (Pin 10). Pulling either pin low disables its respective amplifier, reducing quiescent current to 0.178 µA typical at 1.8 V. Both amplifiers remain active when pins are tied to VCC+. This per-channel control enables flexible power management-for example, disabling one amplifier during standby while keeping the other active for wake-up detection in battery-powered systems.
What is the output drive capability of LMV982IDGSRG4 into a 600-Ω load?
At 1.8 V supply, LMV982IDGSRG4 drives a 600-Ω load with output swing within 80 mV of each rail (i.e., 0.08 V to 1.72 V). At 5 V, swing improves to within 120 mV of the positive rail and 37 mV of the negative rail. Short-circuit output current is ±65 mA (sink) and ±100 mA (source) at 5 V, supporting moderate drive requirements without external buffers in sensor interface and line-driver applications.
Is LMV982IDGSRG4 qualified for automotive applications?
Yes, LMV982IDGSRG4 is characterized for operation from −40°C to +125°C and specified for automotive use per its datasheet applications listing. It meets AEC-Q100 stress test requirements for temperature cycling, HTOL, and ESD (2000-V HBM). Its 123-dB amp-to-amp isolation, 55-dB CMRR over full temperature range, and robust shutdown behavior make it suitable for cabin sensor signal conditioning, body control modules, and infotainment subsystems where reliability under thermal stress is critical.
LMV982IDGSRG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMV®
- Package/Case:
- 10-TFSOP, 10-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:
- 0.42V/µs
- Gain Bandwidth Product:
- 1.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 15 nA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 116µA (x2 Channels)
- Current - Output / Channel:
- 100 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 5 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-VSSOP
LMV982IDGSRG4 FAQ
1.How can I place an order for LMV982IDGSRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV982IDGSRG4 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 LMV982IDGSRG4 reliable?
The price and inventory of LMV982IDGSRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV982IDGSRG4 is usually 5 days.
3.What payment methods are accepted for LMV982IDGSRG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV982IDGSRG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV982IDGSRG4?
LMV982IDGSRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV982IDGSRG4 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 LMV982IDGSRG4?
For technical support, including LMV982IDGSRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV982IDGSRG4 requirements.
6.How does Aetrix verify that LMV982IDGSRG4 is sourced from the original manufacturer or authorized distributors?
All LMV982IDGSRG4 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 LMV982IDGSRG4 meets industry standards.
7.What is the process for return or replacement of LMV982IDGSRG4?
All LMV982IDGSRG4 units undergo pre-shipment inspection (PSI). If there is an issue with LMV982IDGSRG4, 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 LMV982IDGSRG4 part is unused and in its original packaging.
Return procedure for LMV982IDGSRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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