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Texas Instruments LMV854MT/NOPB
- Part No.:
- LMV854MT/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
LMV854MT/NOPB.pdf
- Description:
- IC CMOS 4 CIRCUIT 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:102
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Product details
Overview
LMV854MT/NOPB from Texas Instruments is a quad-channel, rail-to-rail output, low-power CMOS operational amplifier optimized for EMI-sensitive signal conditioning in precision analog front-ends. It delivers 8 MHz gain-bandwidth, 4.5 V/µs slew rate, 1 mV max input offset voltage, 0.1 pA input bias current, and 87 dB EMI rejection ratio at 1.8 GHz - enabling robust sensor amplification near RF sources such as cellular transceivers or Wi-Fi modules.
For engineers reviewing the LMV854MT/NOPB datasheet, LMV854MT/NOPB pinout, LMV854MT/NOPB application, or LMV854MT/NOPB equivalent, key selection criteria include its guaranteed −40°C to +125°C operation, 2.7V–5.5V supply range, 1.67 mA typical supply current per channel, and TSSOP-14 package compatibility with high-density portable medical and industrial sensor systems.
Technical Context
The LMV854MT/NOPB employs a CMOS input stage with input common-mode voltage range extending to ground and up to 1.2 V below V+, supporting single-supply sensor interfacing without level-shifting. Its unity-gain stable architecture maintains ≥62° phase margin with capacitive loads ≤200 pF, eliminating need for external compensation in buffer configurations.
EMI hardening is implemented via on-die filtering and layout techniques that suppress RF rectification at IN+ and IN− pins, verified by EMIRR measurements across 400 MHz–2.4 GHz. The device achieves 92 dB CMRR and 93 dB PSRR at DC, preserving signal integrity in noisy power and mixed-signal environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 2.7 V to 5.5 V - supports direct connection to Li-ion battery (3.3 V) or USB-powered rails (5 V) without regulation. |
| GBW Product | 8 MHz - enables stable closed-loop gain ≥10 at 800 kHz or unity-gain buffering of 1–2 MHz sensor signals. |
| Slew Rate | 4.5 V/µs - ensures <100 ns settling for 1 V step within 0.1% in active filter or photodiode preamp stages. |
| Input Offset Voltage | ±1 mV max - reduces baseline error to <0.03% FS in 3.3 V full-scale pressure sensor outputs. |
| EMI Rejection Ratio | 87 dB at 1.8 GHz - limits RF-induced offset shift to <1 µV under 100 mVPK GSM burst interference. |
| Output Drive | 30 mA - directly drives 10 kΩ loads to rail with <12 mV headroom, eliminating external buffers in ADC driver stages. |
| Operating Temp | −40°C to +125°C - qualified for under-hood automotive sensors and industrial process monitoring. |
Pinout & Package
LMV854MT/NOPB is packaged in a 14-pin TSSOP (Package Code PW0014A), 5.0 mm × 4.4 mm × 1.2 mm body, 0.65 mm pitch, lead-free and RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT A) | Amplifier A output | Rail-to-rail sourcing/sinking; connects to downstream ADC input or filter network. |
| 2 (−IN A) | Inverting input A | High-impedance node for feedback or differential sensing; 0.1 pA leakage minimizes bias error. |
| 3 (+IN A) | Non-inverting input A | Accepts low-level sensor signals (e.g., piezoelectric or bridge outputs) with ground-referenced CMVR. |
| 4 (V−) | Negative supply | Ground reference for single-supply operation; must be low-impedance to maintain PSRR >93 dB. |
| 5 (+IN B) | Non-inverting input B | Independent channel input; enables dual-sensor conditioning or matched gain stages. |
| 6 (−IN B) | Inverting input B | Configurable for inverting gain or reference biasing; shares no internal coupling with Channel A. |
| 7 (OUT B) | Amplifier B output | Electrically isolated output; supports independent load driving up to 30 mA. |
| 8 (NC) | No connect | Internally unconnected; must remain floating - no PCB trace or thermal pad connection. |
| 9 (OUT C) | Amplifier C output | Third independent output; allows triple-channel signal path (e.g., X/Y/Z axis sensor interface). |
| 10 (−IN C) | Inverting input C | Supports active filtering or transimpedance configuration for photodiode current conversion. |
| 11 (+IN C) | Non-inverting input C | Provides high-Z input for reference voltage or auxiliary sensor signal routing. |
| 12 (V+) | Positive supply | Accepts 2.7–5.5 V; bypass capacitor (0.1 µF) required within 5 mm for EMI immunity and stability. |
| 13 (+IN D) | Non-inverting input D | Enables fourth analog channel - e.g., temperature compensation reference or system monitor. |
| 14 (OUT D) | Amplifier D output | Full quad functionality; all channels share same supply and thermal characteristics; no crosstalk >120 dB. |
Key Features
| Feature | Design Value |
|---|---|
| EMI-hardened architecture | On-die RF filtering and layout isolation reduce susceptibility to 400 MHz–2.4 GHz cellular/Wi-Fi interference without external shielding. |
| Rail-to-rail output swing | Delivers >99% of supply range (e.g., 0.01 V to 3.29 V at 3.3 V) into 10 kΩ, maximizing dynamic range for 12-bit+ ADCs. |
| Ultra-low input bias current | 0.1 pA typical enables use with high-impedance sources (e.g., pH electrodes or piezoelectric sensors) without signal degradation. |
| Wide temperature range | Specified performance maintained from −40°C to +125°C - suitable for automotive cabin modules and industrial PLC I/O. |
| Capacitive load drive | Stable with up to 200 pF directly at output - eliminates need for isolation resistors in compact PCB layouts. |
Applications
| Photodiode Preamp | Piezoelectric Sensor Interface |
|---|---|
Use Scenario: Amplifying weak current signals from optical smoke detectors or pulse oximeters in handheld medical devices. IC Role / Device Role / Timing Role: Transimpedance amplifier converting 10 pA–1 nA photocurrent to 0.1–1 V output with <11 nV/√Hz input noise. Use Value: 0.1 pA input bias current prevents signal loss; 87 dB EMIRR avoids false alarms from nearby Bluetooth radios. | Use Scenario: Conditioning high-impedance charge output from vibration sensors in predictive maintenance edge nodes. IC Role / Device Role / Timing Role: Charge amplifier with selectable gain (1–100 mV/pC) and DC-coupled output for FFT-based spectral analysis. Use Value: Input CMVR including ground enables single-supply operation; 1 mV max VOS ensures <0.5% amplitude error at 200 mV FS. |
| Portable Medical Diagnostics | Battery-Powered Industrial Sensor Hub |
Use Scenario: Signal chain front-end for handheld ECG or glucose meters operating on coin-cell or LiPo batteries. IC Role / Device Role / Timing Role: Low-noise, rail-to-rail buffer and filter stage preceding SAR ADC sampling at 1–10 kSPS. Use Value: 0.4 mA per channel (1.67 mA total) extends battery life >100 hours; −40°C to +125°C rating covers clinical and field use. | Use Scenario: Multi-sensor aggregation node measuring pressure, temperature, and humidity in remote IIoT deployments. IC Role / Device Role / Timing Role: Quad-channel analog conditioner driving four independent 16-bit sigma-delta ADC inputs. Use Value: Four matched channels in one TSSOP-14 reduce board area by 60% vs. discrete op amps; 92 dB CMRR rejects shared supply noise. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMV854IDR | TSSOP-14 package, same electrical specs, but non-NOPB (SnPb lead finish) and different tape-and-reel packaging. | Not suitable for RoHS-compliant production; requires Pb-free assembly process validation. | Select LMV854MT/NOPB for new designs requiring lead-free compliance and TI's standard green packaging. |
| TLV9064IPWR | Higher 10 MHz GBW, 6.5 V/µs slew rate, but 0.3 pA input bias current and 50 µV max VOS; operates down to 1.8 V. | Better for wideband active filters or low-voltage IoT nodes; less optimal for ultra-high-Z sensor interfaces. | Choose TLV9064IPWR when bandwidth >8 MHz or supply <2.7 V is required; LMV854MT/NOPB remains preferred for EMI-critical 3.3 V sensor front-ends. |
Compared with LMV854IDR and TLV9064IPWR, the LMV854MT/NOPB offers superior EMI rejection (87 dB vs. 72 dB at 1.8 GHz) and lower input bias current (0.1 pA vs. 0.3 pA), making it the optimal choice for RF-noisy medical and industrial sensor signal chains where offset stability and noise floor are critical.
Availability
LMV854MT/NOPB is available at Aetrix Electronics and suitable for portable medical diagnostics, industrial sensor hubs, and battery-powered instrumentation requiring stable component supply across extended temperature ranges and EMI-prone environments.
Supply support for LMV854MT/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 analog ICs.
The LMV854MT/NOPB belongs to TI's LMV85x family of EMI-hardened op amps, designed specifically for reliable signal conditioning in RF-dense environments such as wireless medical devices, automotive infotainment sensors, and industrial IoT edge nodes.
FAQ
What is the maximum capacitive load the LMV854MT/NOPB can drive without instability?
The LMV854MT/NOPB is specified to remain unity-gain stable with capacitive loads up to 200 pF at the output. This capability eliminates the need for external isolation resistors in most PCB layouts, simplifying design and preserving signal fidelity in compact sensor modules. For loads exceeding 200 pF, an RISO resistor (typically 10–100 Ω) should be placed in series between the LMV854MT/NOPB output and the capacitive load to restore phase margin.
Does the LMV854MT/NOPB support true rail-to-rail input common-mode range?
The LMV854MT/NOPB features a rail-to-rail *output*, but its input common-mode voltage range extends from −0.2 V to (V+ − 1.2 V), which includes ground and supports single-supply operation. At 3.3 V supply, this allows input signals from −0.2 V to 2.1 V; at 5 V, from −0.2 V to 3.8 V. It does not accept inputs beyond V+ or below −0.2 V without risking increased offset or CMRR degradation.
What is the significance of the 87 dB EMIRR specification at 1.8 GHz for the LMV854MT/NOPB?
The 87 dB EMIRR at 1.8 GHz quantifies the LMV854MT/NOPB's ability to reject GSM/DCS cellular band interference, limiting induced input offset voltage shift to under 1 µV when exposed to 100 mVPK RF fields. This is measured per JEDEC JESD78 and enables reliable operation in proximity to mobile phones or base stations - a key advantage over standard op amps in portable diagnostic equipment.
Can the LMV854MT/NOPB operate from a 2.7 V supply while maintaining full 125°C performance?
Yes. The LMV854MT/NOPB is fully specified from 2.7 V to 5.5 V supply and −40°C to +125°C ambient temperature. At 2.7 V and 125°C, it retains 8 MHz GBW, 4.5 V/µs slew rate, and 1 mV max input offset voltage - validated per TI's production test limits. Output swing degrades slightly (to ~35 mV from rails), but remains sufficient for 10-bit+ ADC interfacing.
How does the LMV854MT/NOPB compare to the LMV852 in terms of channel count and thermal performance?
The LMV854MT/NOPB is a quad-channel device in TSSOP-14, while the LMV852 is dual-channel in VSSOP-8. Both share identical per-channel specifications (GBW, VOS, IB, EMIRR). However, the LMV854MT/NOPB's higher channel density results in higher junction temperature rise: θJA = 135 °C/W (vs. 217 °C/W for LMV852), requiring careful thermal layout in high-ambient applications.
LMV854MT/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMV®
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 4
- 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:
- 1.59mA (x4 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:
- 14-TSSOP
LMV854MT/NOPB FAQ
1.How can I place an order for LMV854MT/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV854MT/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 LMV854MT/NOPB reliable?
The price and inventory of LMV854MT/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV854MT/NOPB is usually 5 days.
3.What payment methods are accepted for LMV854MT/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV854MT/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV854MT/NOPB?
LMV854MT/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV854MT/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 LMV854MT/NOPB?
For technical support, including LMV854MT/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV854MT/NOPB requirements.
6.How does Aetrix verify that LMV854MT/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV854MT/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 LMV854MT/NOPB meets industry standards.
7.What is the process for return or replacement of LMV854MT/NOPB?
All LMV854MT/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV854MT/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 LMV854MT/NOPB part is unused and in its original packaging.
Return procedure for LMV854MT/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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