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Texas Instruments LMV832MME/NOPB
- Part No.:
- LMV832MME/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LMV832MME/NOPB.pdf
- Description:
- IC CMOS 2 CIRCUIT 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:5,773
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Product details
Overview
LMV832MME/NOPB from Texas Instruments is a dual-channel, low-power, CMOS-input operational amplifier with EMI hardening, 3.3-MHz gain-bandwidth product, 240 µA per channel supply current, and rail-to-rail output swing-designed for photodiode preamplification and piezoelectric sensor signal conditioning in battery-powered industrial instrumentation.
For engineers reviewing the LMV832MME/NOPB datasheet, LMV832MME/NOPB pinout, LMV832MME/NOPB application, or LMV832MME/NOPB equivalent, key selection criteria include its 120-dB EMI rejection ratio at 2.4 GHz, −40°C to +125°C operating range, 1-mV max input offset voltage, and VSSOP-8 package compatibility with space-constrained analog front-ends.
Technical Context
The LMV832MME/NOPB implements a CMOS input stage with 0.1 pA typical input bias current and 12 nV/√Hz input voltage noise at 1 kHz, enabling high-impedance sensor interfacing without significant DC error or noise degradation. Its unity-gain stable architecture supports capacitive loads up to 200 pF while maintaining ≥65° phase margin.
EMI hardening is achieved via on-chip RF filtering and differential input rejection, delivering 110 dB EMIRR at 1.8 GHz and 120 dB at 2.4 GHz-measured as 20·log(VRF_PEAK/ΔVOS). The device operates from 2.7 V to 5.5 V with PSRR of 93 dB and CMRR of 91 dB at 25°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 2.7 V to 5.5 V - supports single-supply operation from Li-ion or 3.3-V/5-V rails without level-shifting. |
| GBW Product | 3.3 MHz - enables stable unity-gain buffers and 2nd-order active filters up to ~300 kHz. |
| Input Offset Voltage | ±1 mV max - ensures ≤1 mV DC error in precision transimpedance amplifiers with 1-MΩ feedback. |
| EMI Rejection Ratio | 120 dB at 2.4 GHz - suppresses cellular/WiFi interference without external ferrite beads or RC filters. |
| Slew Rate | 2 V/µs - supports 1-VPP signals up to ~300 kHz with <1% distortion in unity-gain configuration. |
| Operating Temperature | −40°C to +125°C - qualified for under-hood automotive sensors and industrial motor control feedback loops. |
| Output Drive | 30 mA sourcing/sinking - directly drives 10-kΩ loads to within 8 mV of rails at 3.3 V, enabling direct ADC interface. |
Pinout & Package
The LMV832MME/NOPB is housed in an 8-pin VSSOP (DGK) package measuring 3.00 mm × 3.00 mm with 0.65-mm lead pitch, optimized for thermal performance (RθJA = 177.1°C/W) and PCB area efficiency in dense analog layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - rail-to-rail capable; requires no pull-up for ADC input buffering. |
| 2 | IN– A | Inverting input, Channel A - high-impedance CMOS node; sensitive to layout-induced RF coupling. |
| 3 | IN+ A | Noninverting input, Channel A - accepts ground-referenced sensor signals across full common-mode range. |
| 4 | V– | Negative supply - connects to GND in single-supply systems; must be low-impedance for PSRR integrity. |
| 5 | V+ | Positive supply - decoupling capacitor required within 2 mm for EMI immunity and stability. |
| 6 | IN– B | Inverting input, Channel B - electrically isolated from Channel A; crosstalk < −80 dB at 1 MHz. |
| 7 | OUT B | Amplifier B output - independent output stage; supports dual-sensor simultaneous sampling. |
| 8 | IN+ B | Noninverting input, Channel B - identical electrical specs to IN+ A; enables matched differential pair design. |
Key Features
| Feature | Design Value |
|---|---|
| EMI-hardened architecture | 120-dB rejection at 2.4 GHz eliminates need for external RF shielding in portable medical devices. |
| Rail-to-rail output | Swings within 8 mV of rails at 3.3 V/10 kΩ - maximizes dynamic range into 12-bit SAR ADCs. |
| 0.1-pA input bias current | Enables >1-GΩ feedback resistors in photodiode amps without significant offset drift. |
| −40°C to +125°C operation | Qualified per AEC-Q100 stress tests - suitable for engine control unit (ECU) signal conditioning. |
| 240-µA per channel supply | Allows dual op-amp operation on coin-cell batteries for >5-year shelf life in IoT sensor nodes. |
Applications
| Photodiode Preamps | Piezoelectric Sensors |
|---|---|
Use Scenario: Amplifying weak current from UV/IR photodiodes in handheld gas analyzers with ambient RF exposure. IC Role / Device Role / Timing Role: Transimpedance amplifier with 10-MΩ feedback resistor, rejecting 2.4-GHz WiFi interference. Use Value: 120-dB EMIRR prevents baseline shift during wireless data transmission, eliminating recalibration. | Use Scenario: Conditioning high-impedance charge output from vibration sensors in predictive maintenance edge nodes. IC Role / Device Role / Timing Role: Charge amplifier with ultra-low input bias current preserving signal integrity over temperature. Use Value: 0.1-pA IB enables stable 100-pF sensor capacitance measurement without drift-induced false alarms. |
| Portable Medical Devices | Industrial Process Monitoring |
Use Scenario: Low-noise amplification of ECG electrode signals in Bluetooth-enabled patient monitors. IC Role / Device Role / Timing Role: Instrumentation-grade buffer with 12 nV/√Hz noise and rail-to-rail swing into ADC. Use Value: 3.3-MHz GBW supports 1-kHz bandwidth with <0.1% THD+N, meeting IEC 60601-2-27 requirements. | Use Scenario: Signal conditioning for pressure transducers in factory automation PLC analog inputs. IC Role / Device Role / Timing Role: Dual-channel signal conditioner handling both sensor excitation and feedback paths. Use Value: −40°C to +125°C rating ensures accuracy across uncontrolled industrial environments without derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV9062IDGKR | Higher 10-MHz GBW but 530-µA/channel supply current; 0.3-mV max VOS. | Better for wideband active filters; less suitable for ultra-low-power battery operation. | Choose TLV9062IDGKR when bandwidth >5 MHz is required and power budget allows ≥2× current draw. |
| OPA2333AIDGKR | Zero-drift architecture; 2-µV max VOS but 17-µV/°C drift; 17-µA/channel supply. | Superior DC precision for weigh scales; lacks EMI hardening above 900 MHz. | Choose OPA2333AIDGKR for microvolt-level DC stability where RF immunity is not critical. |
Compared with TLV9062IDGKR and OPA2333AIDGKR, the LMV832MME/NOPB uniquely balances 3.3-MHz bandwidth, 240-µA/channel ultra-low power, and industry-leading 120-dB EMI rejection-making it optimal for cost-sensitive, RF-exposed industrial sensor nodes requiring long battery life and robustness without external filtering.
Availability
LMV832MME/NOPB is available at Aetrix Electronics and suitable for photodiode preamplifiers, piezoelectric sensor interfaces, and portable medical instrumentation requiring stable component supply across automotive, industrial, and IoT production programs.
Supply support for LMV832MME/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 over 90 years of innovation in precision signal chain solutions.
The LMV832MME/NOPB belongs to TI's EMI-hardened op-amp product line, engineered specifically for sensor signal conditioning in electrically noisy environments such as automotive cabins, factory floors, and wireless medical devices.
FAQ
What is the maximum capacitive load the LMV832MME/NOPB can drive while remaining stable?
The LMV832MME/NOPB maintains stability with capacitive loads up to 200 pF, as verified by phase margin ≥65° across temperature and supply voltage. This allows direct connection to ADC input capacitors or long PCB traces without isolation resistors-critical for maintaining signal fidelity in compact sensor modules where board space limits external compensation networks.
Does the LMV832MME/NOPB support true single-supply operation with input common-mode voltage extending to ground?
Yes, the LMV832MME/NOPB features an input common-mode voltage range that includes ground (−0.1 V to V+ − 1.2 V), enabling direct interfacing with ground-referenced sensors like thermistors or bridge transducers without level-shifting circuitry-reducing component count and improving accuracy in battery-powered measurement systems.
How does the EMI hardening in the LMV832MME/NOPB improve system-level robustness compared to standard op-amps?
The LMV832MME/NOPB achieves 120-dB EMI rejection ratio at 2.4 GHz by integrating on-die RF filtering and differential input rejection, preventing RF rectification that causes DC offset shifts or audible noise in audio paths. This eliminates the need for external ferrite beads or π-filters in designs exposed to cellular, WiFi, or Bluetooth transmitters-reducing BOM cost and PCB area while improving time-to-market.
What is the typical input bias current of the LMV832MME/NOPB, and why is it critical for sensor applications?
The LMV832MME/NOPB has a typical input bias current of 0.1 pA, enabling use with high-value feedback resistors (>1 GΩ) in photodiode transimpedance amplifiers without introducing significant offset voltage or temperature drift. This preserves signal-to-noise ratio and long-term calibration stability in optical gas sensors and precision environmental monitoring equipment.
Can the LMV832MME/NOPB operate reliably at 125°C in automotive under-hood applications?
Yes, the LMV832MME/NOPB is fully specified and tested over −40°C to +125°C, with parameters including input offset voltage, supply current, and output swing validated across this range. Its VSSOP-8 package provides adequate thermal dissipation (RθJA = 177.1°C/W), making it suitable for engine control unit (ECU) analog front-ends and exhaust gas sensor interfaces without derating.
LMV832MME/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMV®
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 2V/µs
- Gain Bandwidth Product:
- 3.3 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.1 pA
- Voltage - Input Offset:
- 250 µV
- Current - Supply:
- 470µA (x2 Channels)
- Current - Output / Channel:
- 66 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-VSSOP
LMV832MME/NOPB FAQ
1.How can I place an order for LMV832MME/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV832MME/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 LMV832MME/NOPB reliable?
The price and inventory of LMV832MME/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV832MME/NOPB is usually 5 days.
3.What payment methods are accepted for LMV832MME/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV832MME/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV832MME/NOPB?
LMV832MME/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV832MME/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 LMV832MME/NOPB?
For technical support, including LMV832MME/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV832MME/NOPB requirements.
6.How does Aetrix verify that LMV832MME/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV832MME/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 LMV832MME/NOPB meets industry standards.
7.What is the process for return or replacement of LMV832MME/NOPB?
All LMV832MME/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV832MME/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 LMV832MME/NOPB part is unused and in its original packaging.
Return procedure for LMV832MME/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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