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Texas Instruments LMV792MMX/NOPB
- Part No.:
- LMV792MMX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LMV792MMX/NOPB.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 10VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,295
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Product details
Overview
LMV792MMX/NOPB from Texas Instruments is a dual, low-noise, CMOS-input operational amplifier in a 10-pin VSSOP package, delivering 5.8 nV/√Hz input voltage noise density, 17 MHz unity-gain bandwidth, and rail-to-rail output swing within 25 mV of rails at 10-kΩ load. It operates from 1.8 V to 5.5 V and features independent enable pins per channel for power optimization in portable sensor interfaces.
For engineers reviewing the LMV792MMX/NOPB datasheet, LMV792MMX/NOPB pinout, LMV792MMX/NOPB application, or LMV792MMX/NOPB equivalent, key selection criteria include its femtoampere-level input bias current (100 fA), shutdown current <1 µA per channel, THD+N of 0.01% at 1 kHz into 600 Ω, and guaranteed operation across −40°C to +125°C.
Technical Context
The LMV792MMX/NOPB integrates two independent high-speed amplifiers sharing a common supply but with separate enable controls (EN A and EN B), enabling selective channel activation in multi-stage signal chains. Its CMOS input stage supports ground-sensing operation with input common-mode range extending to V−, while the rail-to-rail output stage delivers >40 mA sourcing capability at 1.8 V.
It employs a unity-gain-stable architecture with 17 MHz gain-bandwidth product and 9.5 V/µs typical slew rate (5 V supply), optimized for low-voltage, low-noise transimpedance and buffer applications where quiescent current must remain below 1.7 mA per channel in active mode and sub-1 µA in shutdown.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Noise | 5.8 nV/√Hz at 1 kHz - enables high-fidelity amplification of weak sensor signals without degrading SNR |
| Unity-Gain Bandwidth | 17 MHz - supports wideband signal conditioning up to audio and ultrasonic frequencies |
| Supply Current (per channel) | 1.30 mA typical at 5 V - balances speed and power for battery-operated instrumentation |
| Shutdown Current (per channel) | 0.02 µA typical - extends battery life in intermittent-sampling systems |
| Rail-to-Rail Output Swing | 25 mV from rail at 10-kΩ load - maximizes dynamic range in 1.8–5.5 V single-supply systems |
| Input Bias Current | 100 fA max at −40°C to +125°C - preserves signal integrity in high-impedance photodiode and pH sensor front-ends |
| Total Harmonic Distortion + Noise | 0.01% at 1 kHz, 600 Ω - meets fidelity requirements for precision analog signal paths |
Pinout & Package
LMV792MMX/NOPB is housed in a 10-pin VSSOP (DGS) package measuring 3.00 mm × 3.00 mm, optimized for space-constrained PCB layouts while maintaining thermal performance (θJA = 179.1°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives loads up to 60 mA; rail-to-rail swing supports full supply utilization |
| 2 | IN A− | Inverting input for Channel A - high-impedance CMOS node compatible with high-Z sensors |
| 3 | IN A+ | Noninverting input for Channel A - includes ground-referenced common-mode range for single-supply use |
| 4 | V− | Negative supply rail - referenced to system ground in single-supply configurations |
| 5 | EN A | Enable control for Channel A - logic-high (>V+ − 0.5 V) activates amplifier; logic-low ( |
| 6 | EN B | Enable control for Channel B - independent of EN A, enabling asymmetric power management |
| 7 | IN B+ | Noninverting input for Channel B - electrically isolated from Channel A inputs |
| 8 | IN B− | Inverting input for Channel B - supports differential or single-ended configurations per channel |
| 9 | OUT B | Amplifier B output - identical drive capability and noise performance as OUT A |
| 10 | V+ | Positive supply rail - accepts 1.8 V to 5.5 V; internal regulation ensures stable operation across voltage range |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent enable pins | EN A and EN B allow per-channel power gating - reduces system-level quiescent current by >99% when one amplifier is idle |
| CMOS input stage | 100 fA max input bias current enables direct interfacing with photodiodes, piezoelectric sensors, and electrochemical cells |
| Rail-to-rail output | 25 mV from rail at 10-kΩ load - preserves >95% of available voltage headroom in 1.8 V systems |
| Low-noise architecture | 5.8 nV/√Hz input voltage noise density - critical for preserving SNR in sub-mV signal amplification |
| Wide supply range | Operates from 1.8 V to 5.5 V with full specification - supports direct connection to Li-ion, coin-cell, and regulated 3.3 V rails |
Applications
| Photodiode Amplifiers | Active Filters and Buffers |
|---|---|
Use Scenario: Converting weak photocurrents (pA–nA) from medical pulse oximetry or environmental light sensors into measurable voltage signals. IC Role / Device Role / Timing Role: Transimpedance amplifier with ultra-low input bias current and low voltage noise to maximize signal-to-noise ratio. Use Value: 100 fA input bias minimizes dark-current error; 5.8 nV/√Hz noise floor preserves resolution for low-light detection. |
Use Scenario: Implementing anti-aliasing, reconstruction, or tone-control filters in portable audio and data acquisition systems. IC Role / Device Role / Timing Role: Unity-gain-stable buffer and filter active element with 17 MHz bandwidth supporting 20 kHz audio and beyond. Use Value: Rail-to-rail output swing maintains full dynamic range at 1.8–3.3 V supplies; THD+N ≤0.01% ensures clean signal reproduction. |
| Low-Noise Signal Processing | Sensor Interface Applications |
Use Scenario: Conditioning low-amplitude analog outputs from MEMS accelerometers, strain gauges, or thermopiles before ADC sampling. IC Role / Device Role / Timing Role: Precision gain stage with minimal added noise and offset drift over temperature. Use Value: ±1.65 mV max input offset and −1.8 µV/°C drift ensure stable DC accuracy; 125°C rating supports industrial environments. |
Use Scenario: Front-end amplification for pH electrodes, gas sensors, or capacitive humidity sensors requiring high input impedance and low leakage. IC Role / Device Role / Timing Role: High-Z buffer isolating sensitive sensing elements from downstream circuitry while rejecting supply noise. Use Value: CMRR ≥75 dB and PSRR ≥75 dB suppress interference; ground-sensing input enables true single-supply zero-VIN operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual low-noise op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2376IDGKR | Lower input voltage noise (4.5 nV/√Hz), higher supply current (760 µA/channel), no shutdown feature | Lacks independent enable pins; better suited for always-on precision circuits than duty-cycled sensor nodes | Select when lowest possible noise dominates over power gating and board space |
| AD8602ARMZ-REEL | Higher input bias current (1 pA), lower GBW (10 MHz), no shutdown, wider offset range (±1.5 mV) | No enable functionality; less suitable for battery-powered intermittent-sampling systems | Choose for cost-sensitive industrial applications where shutdown and ultra-low bias are not required |
Compared with OPA2376IDGKR and AD8602ARMZ-REEL, LMV792MMX/NOPB uniquely combines femtoampere input bias, integrated per-channel shutdown, and 17 MHz bandwidth in a 3 mm × 3 mm VSSOP - making it optimal for compact, battery-efficient sensor signal chains demanding both precision and power agility.
Availability
LMV792MMX/NOPB is available at Aetrix Electronics and suitable for photodiode amplifiers, active filters and buffers, and low-noise signal processing requiring stable component supply across industrial, medical, and portable electronics programs.
Supply support for LMV792MMX/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 company specializing in analog and embedded processing technologies, with leadership in precision amplifiers, data converters, and power management ICs.
The LMV792MMX/NOPB belongs to TI's LMV79x family of low-noise, low-voltage CMOS op-amps designed specifically for high-fidelity sensor interface and portable instrumentation applications where power efficiency and signal integrity are co-optimized.
FAQ
What is the operating supply voltage range for LMV792MMX/NOPB?
The LMV792MMX/NOPB operates from 1.8 V to 5.5 V. Full electrical specifications are ensured across this range at temperatures from −40°C to +125°C, with extended 1.8 V operation validated from 0°C to +125°C. This allows direct integration with Li-ion batteries, coin cells, and standard 3.3 V or 5 V rails without external regulation.
Does LMV792MMX/NOPB support rail-to-rail input operation?
No, LMV792MMX/NOPB does not support rail-to-rail input. Its input common-mode voltage range extends to the negative rail (V−) but only up to V+ − 1.2 V. However, the inclusion of V− in the range enables true ground-referenced sensing in single-supply configurations - a key advantage for sensor front-ends.
How does the enable pin function on LMV792MMX/NOPB?
LMV792MMX/NOPB has two independent enable pins: EN A (Pin 5) and EN B (Pin 6). Driving either pin above V+ − 0.5 V activates its respective amplifier channel; driving it below V− + 0.5 V places that channel in shutdown mode with <1 µA supply current. This allows granular power control without affecting the other channel.
What is the maximum output current capability of LMV792MMX/NOPB?
LMV792MMX/NOPB can source up to 45 mA and sink up to 21 mA (at 5 V supply, TJ = 25°C), with guaranteed minimums of 28 mA sourcing and 6 mA sinking across −40°C to +125°C. This drive strength supports direct interfacing with moderate-impedance loads such as ADC drivers and small actuators without external buffering.
Is LMV792MMX/NOPB suitable for photodiode transimpedance applications?
Yes, LMV792MMX/NOPB is explicitly designed for photodiode transimpedance amplifiers. Its 100 fA max input bias current minimizes dark-current error, 5.8 nV/√Hz voltage noise preserves SNR, and ground-sensing input enables single-supply operation - all confirmed in TI's official application diagrams and characterization data for the LMV792MMX/NOPB.
LMV792MMX/NOPB 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:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 11.5V/µs
- Gain Bandwidth Product:
- 17 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.1 pA
- Voltage - Input Offset:
- 100 µV
- Current - Supply:
- 1.3mA (x2 Channels)
- Current - Output / Channel:
- 60 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-VSSOP
LMV792MMX/NOPB FAQ
1.How can I place an order for LMV792MMX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV792MMX/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 LMV792MMX/NOPB reliable?
The price and inventory of LMV792MMX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV792MMX/NOPB is usually 5 days.
3.What payment methods are accepted for LMV792MMX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV792MMX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV792MMX/NOPB?
LMV792MMX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV792MMX/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 LMV792MMX/NOPB?
For technical support, including LMV792MMX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV792MMX/NOPB requirements.
6.How does Aetrix verify that LMV792MMX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV792MMX/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 LMV792MMX/NOPB meets industry standards.
7.What is the process for return or replacement of LMV792MMX/NOPB?
All LMV792MMX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV792MMX/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 LMV792MMX/NOPB part is unused and in its original packaging.
Return procedure for LMV792MMX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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