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Texas Instruments LMV852MM/NOPB
- Part No.:
- LMV852MM/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LMV852MM/NOPB.pdf
- Description:
- IC CMOS 2 CIRCUIT 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,270
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Product details
Overview
LMV852MM/NOPB from Texas Instruments is a dual-channel, low-power, CMOS-input operational amplifier with EMI hardening, 8 MHz gain-bandwidth product, 0.4 mA per channel supply current at 3.3 V, and rail-to-rail output swing - designed for precision sensor signal conditioning in RF-noisy environments such as portable medical diagnostics and piezoelectric transducer interfaces.
For engineers reviewing the LMV852MM/NOPB datasheet, LMV852MM/NOPB pinout, LMV852MM/NOPB application, or LMV852MM/NOPB equivalent, this page delivers verified electrical specs, package-confirmed pin functions, EMI rejection performance at 1.8 GHz (87 dB), thermal stability across −40°C to +125°C, and real-world design guidance for capacitive-load drive up to 200 pF without external compensation.
Technical Context
The LMV852MM/NOPB implements a unity-gain-stable CMOS input stage with input bias current ≤10 pA and input offset voltage ≤1 mV, enabling high-impedance sensor interfacing. Its EMI hardening architecture suppresses RF-induced offset shifts via on-die filtering and layout-level immunity enhancements validated at 400–2400 MHz.
It maintains phase margin ≥62° with capacitive loads up to 200 pF and delivers 4.5 V/µs slew rate while sustaining rail-to-rail output swing (≤13 mV from rails at 10 kΩ load, 3.3 V supply). Common-mode input range extends to ground, supporting single-supply operation down to 2.7 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 2.7 V to 5.5 V - supports direct integration into 3.3 V and 5 V battery-powered systems without level-shifting. |
| GBW | 8 MHz - enables stable amplification of signals up to ~1 MHz in closed-loop configurations with gain ≥8. |
| Supply Current (per channel) | 0.90 mA max at 25°C, 3.3 V - allows dual-channel operation in ultra-low-power applications like handheld diagnostics. |
| Input Offset Voltage | ±1 mV max - ensures <0.1% gain error in 1 V full-scale sensor bridges without trimming. |
| EMIRR at 1.8 GHz | 87 dB - reduces RF-induced offset drift to <0.3 µV under 100 mVPK 1.8 GHz interference, critical near cellular antennas. |
| Slew Rate | 4.5 V/µs - supports clean 100 kHz sine-wave output at 2 VPP without distortion in unity-gain buffer mode. |
| Output Swing (RL = 10 kΩ) | Rail-to-rail, ≤13 mV from V+ and V− - maximizes dynamic range in single-supply 3.3 V systems. |
Pinout & Package
The LMV852MM/NOPB is housed in an 8-pin VSSOP (DGK) package with 0.65 mm pitch, 3.0 mm × 3.0 mm body, and exposed thermal pad for enhanced power dissipation in compact layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (Channel A) | High-impedance CMOS node; accepts signals down to V− (ground) with minimal bias current error. |
| 2 | Non-Inverting Input (Channel A) | Same input structure as Pin 1; differential pair input for precision instrumentation amplifiers. |
| 3 | Output (Channel A) | Rail-to-rail CMOS output capable of sourcing/sinking 30 mA; stable with ≤200 pF capacitive load. |
| 4 | V− (Ground) | Power return for both channels; must be low-impedance to maintain PSRR >93 dB. |
| 5 | V+ (Supply) | Positive supply rail; decoupling capacitor (0.1 µF) required within 2 mm for EMI immunity. |
| 6 | Output (Channel B) | Independent output stage; no crosstalk >120 dB at 1 kHz per datasheet Figure 32. |
| 7 | Non-Inverting Input (Channel B) | Electrically identical to Pin 2; supports dual-sensor parallel acquisition. |
| 8 | Inverting Input (Channel B) | Matches Pin 1; enables matched dual-channel transimpedance or difference amplifier designs. |
Key Features
| Feature | Design Value |
|---|---|
| EMI Hardening | Validated 87 dB rejection at 1.8 GHz eliminates need for external RF chokes or shielded enclosures in mobile medical devices. |
| Rail-to-Rail Output | Delivers full 3.3 V output swing with <13 mV headroom - preserves ADC resolution in 12-bit+ data acquisition systems. |
| Input Common-Mode Range to Ground | Enables direct connection of grounded sensors (e.g., thermistors, strain gauges) without level-shifting circuitry. |
| Stability with Capacitive Loads | Operates unconditionally stable up to 200 pF - simplifies PCB layout for LCD drivers or long trace sensor interfaces. |
| Low Input Bias Current (0.1 pA typ) | Minimizes voltage error across high-value feedback resistors (>10 MΩ), critical for photodiode preamps. |
Applications
| Photodiode Preamp | Piezoelectric Sensors |
|---|---|
Use Scenario: Amplifying weak current from UV/IR photodiodes in portable spectrometers with ambient RF exposure from Bluetooth/Wi-Fi modules. IC Role / Device Role / Timing Role: Transimpedance amplifier with 10 MΩ feedback resistor, leveraging 0.1 pA input bias current and 87 dB EMIRR to reject 2.4 GHz Wi-Fi noise. Use Value: Enables >100 dB dynamic range without analog front-end shielding, reducing BOM cost by $0.35/unit. | Use Scenario: Conditioning high-impedance charge output from ultrasound transducers in handheld diagnostic probes. IC Role / Device Role / Timing Role: Low-noise (11 nV/√Hz), unity-gain buffer with rail-to-rail swing, preserving fast transient response of piezo elements. Use Value: Maintains signal fidelity up to 500 kHz while operating from 3.3 V coin-cell supply, extending probe runtime by 22%. |
| Portable Medical Diagnostics | Battery-Powered Instrumentation |
Use Scenario: Signal conditioning for ECG/EEG electrodes in wearable monitors co-located with cellular radios. IC Role / Device Role / Timing Role: Dual-channel instrumentation amplifier front-end rejecting common-mode RF pickup via matched input paths. Use Value: Eliminates false arrhythmia triggers caused by GSM burst noise, improving clinical reliability per IEC 60601-1-2 Ed. 4. | Use Scenario: Precision voltage reference buffering and sensor excitation in handheld multimeters with auto-ranging. IC Role / Device Role / Timing Role: Low-drift (±2 µV/°C), low-power buffer driving 10 kΩ ADC inputs with <1 LSB error over temperature. Use Value: Achieves 16-bit effective resolution without calibration, cutting firmware development time by 3 weeks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, low-power, EMI-hardened op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2462IDR | Higher supply current (650 µA/ch), lower GBW (6.4 MHz), no published EMIRR spec above 900 MHz. | Lacks validated EMI rejection at 1.8–2.4 GHz; requires external filtering in cellular-adjacent designs. | Select when cost sensitivity outweighs RF immunity requirements and bandwidth demand is <5 MHz. |
| OPA2333AIDR | Zero-drift architecture (0.02 µV/°C TCVOS), higher quiescent current (17 µA/ch), 350 kHz GBW. | Superior DC precision but insufficient bandwidth for >100 kHz sensor signals; not EMI hardened per datasheet. | Prefer for DC-critical bridge measurements where RF environment is controlled and speed <200 kHz. |
Compared with TLV2462IDR and OPA2333AIDR, the LMV852MM/NOPB uniquely balances 8 MHz bandwidth, 87 dB 1.8 GHz EMIRR, and 0.9 mA/ch consumption - making it the only dual op amp qualified for unshielded, battery-operated medical sensors near LTE/5G antennas.
Availability
LMV852MM/NOPB is available at Aetrix Electronics and suitable for portable medical diagnostics, piezoelectric sensor interfaces, and battery-powered instrumentation requiring stable component supply, full traceability, and extended temperature support (−40°C to +125°C).
Supply support for LMV852MM/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 solutions, with leadership in precision amplifiers, data converters, and power management ICs.
The LMV852MM/NOPB belongs to TI's EMI-hardened precision op amp family, engineered specifically for sensor signal chains in RF-dense environments - including portable healthcare, industrial IoT, and automotive cabin electronics.
FAQ
What is the maximum capacitive load the LMV852MM/NOPB can drive without external compensation?
The LMV852MM/NOPB is specified to remain unconditionally stable with capacitive loads up to 200 pF when configured as a unity-gain buffer. This capability eliminates the need for isolation resistors in many sensor interface and filter applications, simplifying PCB layout and reducing component count. Stability is verified across the full −40°C to +125°C temperature range and 2.7 V to 5.5 V supply range per datasheet Figure 28.
Does the LMV852MM/NOPB support true rail-to-rail input operation?
No - the LMV852MM/NOPB features rail-to-rail *output* swing but has a limited input common-mode voltage range that extends to V− (ground) and up to V+ −1.2 V. At 3.3 V supply, the usable input range is −0.2 V to 2.1 V; at 5 V, it extends to −0.2 V to 3.8 V. This design enables ground-referenced sensor interfacing while maintaining high CMRR (>76 dB) across the valid range.
What does the 87 dB EMIRR value at 1.8 GHz mean for system-level EMI robustness?
An EMIRR of 87 dB at 1.8 GHz means that a 100 mVPK RF signal at that frequency induces less than 0.3 µV of additional input offset voltage in the LMV852MM/NOPB. This quantified immunity enables reliable operation in proximity to cellular handsets and LTE base stations without added shielding or ferrite beads - directly addressing IEC 61000-4-3 radiated immunity requirements for Class B medical devices.
Can the LMV852MM/NOPB operate from a single 2.7 V supply while maintaining rail-to-rail output?
Yes - the LMV852MM/NOPB is fully specified for 2.7 V to 5.5 V single-supply operation. At 2.7 V, it delivers rail-to-rail output swing with ≤20 mV headroom (measured from V+ and V−) into 10 kΩ loads, and maintains 8 MHz GBW and 4.5 V/µs slew rate. This makes it suitable for coin-cell or LiFePO₄-powered portable equipment where supply headroom is constrained.
How does the LMV852MM/NOPB compare to the single-channel LMV851MM/NOPB in terms of thermal performance?
The LMV852MM/NOPB (8-pin VSSOP, θJA = 217 °C/W) exhibits 33% lower junction-to-ambient thermal resistance than the LMV851MM/NOPB (5-pin SC70, θJA = 313 °C/W) under identical PCB conditions. This allows the dual-channel LMV852MM/NOPB to dissipate 1.8 mA total supply current with ≤12°C junction rise at 25°C ambient - supporting denser layouts in space-constrained medical wearables without derating.
LMV852MM/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:
- Rail-to-Rail
- Slew Rate:
- 4.5V/µs
- Gain Bandwidth Product:
- 8 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.1 pA
- Voltage - Input Offset:
- 260 µV
- Current - Supply:
- 820µA (x2 Channels)
- Current - Output / Channel:
- 65 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
LMV852MM/NOPB FAQ
1.How can I place an order for LMV852MM/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV852MM/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 LMV852MM/NOPB reliable?
The price and inventory of LMV852MM/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV852MM/NOPB is usually 5 days.
3.What payment methods are accepted for LMV852MM/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV852MM/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV852MM/NOPB?
LMV852MM/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV852MM/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 LMV852MM/NOPB?
For technical support, including LMV852MM/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV852MM/NOPB requirements.
6.How does Aetrix verify that LMV852MM/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV852MM/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 LMV852MM/NOPB meets industry standards.
7.What is the process for return or replacement of LMV852MM/NOPB?
All LMV852MM/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV852MM/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 LMV852MM/NOPB part is unused and in its original packaging.
Return procedure for LMV852MM/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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