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Texas Instruments LMV654MTX/NOPB
- Part No.:
- LMV654MTX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
LMV654MTX/NOPB.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:13,410
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Product details
Overview
LMV654MTX/NOPB from Texas Instruments is a quad-channel, rail-to-rail output, low-voltage operational amplifier with 12 MHz unity-gain bandwidth, 122 μA per amplifier supply current, and 1.5 mV maximum input offset voltage. It operates from 2.7 V to 5.5 V and delivers 120 mV from rail swing into 2 kΩ at 5 V - ideal for precision signal conditioning in battery-powered sensor front-ends.
For engineers reviewing the LMV654MTX/NOPB datasheet, LMV654MTX/NOPB pinout, LMV654MTX/NOPB application, or LMV654MTX/NOPB equivalent, key selection criteria include its 17 nV/√Hz input voltage noise, −40°C to +125°C automotive-grade temperature range, CMRR of 100 dB, PSRR of 95 dB, and TSSOP-14 package compatibility with space-constrained PCB layouts.
Technical Context
The LMV654MTX/NOPB implements a fully differential input stage with ground-sensing capability (input common-mode range includes V−) and a rail-to-rail output stage optimized for single-supply operation. Its VIP50 process enables 12 MHz bandwidth while maintaining ultra-low quiescent current.
It is unity-gain stable but requires external compensation when driving >100 pF capacitive loads - stability is maintained via in-the-loop RC feedback or series output isolation resistors. The device exhibits flat 1/f noise corner at 4 Hz and THD of 0.003% at 1 kHz with 2 kΩ load.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 5.5 V - supports direct integration into 3.3 V and 5 V systems without level-shifting. |
| Unity-Gain Bandwidth | 12 MHz - enables accurate amplification of audio-band and low-MHz sensor signals with minimal phase lag. |
| Input Offset Voltage | Max ±1.5 mV - ensures ≤0.3% gain error in 100× gain instrumentation stages at room temperature. |
| Input Voltage Noise | 17 nV/√Hz at 1 kHz - preserves SNR in low-level transducer interfaces (e.g., thermopiles, strain gauges). |
| CMRR / PSRR | 100 dB / 95 dB - rejects power rail ripple and common-mode interference in noisy industrial environments. |
| Output Swing | 120 mV from rail (2 kΩ, 5 V) - delivers >95% of full-scale dynamic range for ADC drivers in single-supply systems. |
| Quiescent Current | 122 μA per channel - allows four independent amplifiers to operate continuously on <500 μA total, critical for coin-cell longevity. |
Pinout & Package
LMV654MTX/NOPB is housed in a 14-pin TSSOP (PW) package measuring 5.00 mm × 4.40 mm, with standard 0.65 mm pitch and exposed thermal pad (not electrically connected). Pin numbering follows JEDEC MS-012, pin 1 marked by dot or bevel.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 7, 8, 14 | Output A/B/C/D | Amplified outputs - each capable of sourcing 18.5 mA/sinking 25 mA; rail-to-rail swing minimizes headroom loss. |
| 2, 6, 9, 13 | Inverting Input A/B/C/D | Differential inputs - high impedance (120 nA max bias current) enables high-Z sensor interfacing without loading. |
| 3, 5, 10, 12 | Noninverting Input A/B/C/D | Ground-referenced inputs - common-mode range extends to V−, enabling true single-supply DC-coupled sensing. |
| 4 | V− | Negative supply terminal - must be connected to system ground or lowest potential; no internal charge pump. |
| 11 | V+ | Positive supply terminal - accepts 2.7–5.5 V; PSRR >95 dB suppresses supply noise coupling into output. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output stage | Delivers full dynamic range into 2 kΩ loads - eliminates need for dual supplies in data acquisition front-ends. |
| Ground-sensing input | Input common-mode range includes V− - enables direct connection of 0 V-referenced sensors (e.g., RTDs, bridge outputs). |
| Ultra-low power consumption | 122 μA per amplifier at 5 V - supports always-on monitoring in portable medical and IoT edge nodes. |
| Low 1/f noise corner | 4 Hz - maintains signal integrity for DC-coupled, sub-10 Hz biosignal amplification (ECG, EEG). |
| Automotive temperature grade | −40°C to +125°C operation - qualified for under-hood and cabin electronics without derating. |
Applications
| Portable Medical Sensors | Automotive Cabin Air Quality Monitor |
|---|---|
Use Scenario: Amplifying microvolt-level output from electrochemical CO₂ sensors in wearable health trackers. IC Role / Device Role / Timing Role: Precision DC-coupled instrumentation amplifier with ground-referenced input and rail-to-rail output driving 12-bit SAR ADC. Use Value: 1.5 mV max VOS and 17 nV/√Hz noise ensure <1% measurement error across 0–5000 ppm range without calibration drift. |
Use Scenario: Signal conditioning for NDIR-based VOC detectors mounted near HVAC ducts. IC Role / Device Role / Timing Role: Quad-channel buffer and gain stage for multi-sensor analog front-end operating in 125°C ambient. Use Value: −40°C to +125°C rating and 100 dB CMRR reject engine vibration-induced EMI and thermal EMF errors. |
| Battery-Powered Industrial Data Loggers | Smart Home Environmental Hub |
Use Scenario: Low-power amplification of thermistor and humidity sensor outputs in solar-charged field units. IC Role / Device Role / Timing Role: Four independent sensor interface channels sharing single 3.3 V rail; rail-to-rail output maximizes ADC utilization. Use Value: 122 μA per channel enables >1-year operation on 2000 mAh Li-ion cell with 10 s sampling interval. |
Use Scenario: Analog signal processing for multi-zone temperature/humidity sensing in Wi-Fi-connected thermostats. IC Role / Device Role / Timing Role: Quad op-amp providing programmable gain, filtering, and level-shifting before MCU ADC input. Use Value: TSSOP-14 footprint fits compact 2-layer PCBs; 12 MHz bandwidth supports fast settling for 100 Hz polling cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad low-power op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2464IDR | Higher supply current (550 μA/channel), lower GBW (6.4 MHz), 2.5 mV VOS max | Less suitable for coin-cell devices; better for higher-drive applications requiring >50 mA output | Choose TLV2464IDR only if higher output current or wider supply range (2.7–6 V) outweighs power penalty. |
| OPA2333PWR | Zero-drift architecture, 0.02 μV/°C drift, 1.8 μV VOS max, but 17 μA/ch supply current and 350 kHz GBW | Superior DC precision for long-term drift-critical applications; insufficient bandwidth for >1 kHz signals | Choose OPA2333PWR when microvolt-level offset stability dominates over speed and noise performance. |
Compared with TLV2464IDR and OPA2333PWR, LMV654MTX/NOPB uniquely balances 12 MHz bandwidth, 122 μA/channel quiescent current, and 17 nV/√Hz noise - making it optimal for battery-powered, wideband sensor interfaces where both speed and efficiency are constrained.
Availability
LMV654MTX/NOPB is available at Aetrix Electronics and suitable for portable medical sensors, automotive cabin air quality monitors, and battery-powered industrial data loggers requiring stable component supply across extended production lifecycles.
Supply support for LMV654MTX/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 decades of expertise in precision amplifiers and low-power design.
The LMV65x family was engineered specifically for space- and energy-constrained signal chains in portable, automotive, and industrial sensing - prioritizing bandwidth-per-microwatt efficiency and ground-sensing capability in miniature packages.
FAQ
What is the maximum capacitive load the LMV654MTX/NOPB can drive without external compensation?
The LMV654MTX/NOPB remains stable with capacitive loads up to 100 pF. Beyond this, phase margin degrades significantly due to added pole formation; external compensation (e.g., in-the-loop RC network or series output resistor) is required for loads >100 pF. TI's datasheet Figure 20 confirms ≥40° phase margin only up to 100 pF at 5 V supply.
Does the LMV654MTX/NOPB support true single-supply operation with input signals at ground potential?
Yes. The LMV654MTX/NOPB features an input common-mode voltage range that includes the negative supply rail (V−), allowing direct connection of 0 V-referenced sensors like bridge circuits or thermistors without level-shifting. This is explicitly specified in Section 6.5 CMVR (0 V minimum) for both 3 V and 5 V operation.
What is the typical total harmonic distortion (THD) performance of the LMV654MTX/NOPB at 1 kHz?
The LMV654MTX/NOPB delivers 0.003% THD at 1 kHz with AV = +2 and RL = 2 kΩ, as confirmed in both 3 V and 5 V DC electrical characteristics tables (Sections 6.5 and 6.6). This performance holds across the full −40°C to +125°C temperature range and supports high-fidelity audio and precision waveform generation.
How does the LMV654MTX/NOPB's 17 nV/√Hz input voltage noise compare to other low-power op-amps?
At 17 nV/√Hz, the LMV654MTX/NOPB achieves among the lowest voltage noise in its class of sub-200 μA op-amps - significantly better than TLV2464 (28 nV/√Hz) and comparable to higher-power devices like OPA2350 (15 nV/√Hz, 4.9 mA/ch). Its 4 Hz 1/f corner further enhances low-frequency SNR for DC-coupled sensor interfaces.
Is the LMV654MTX/NOPB pin-compatible with other quad op-amps in TSSOP-14 packages?
No. While the LMV654MTX/NOPB uses a standard TSSOP-14 outline, its pin mapping (e.g., V− on pin 4, V+ on pin 11, outputs on pins 1/7/8/14) differs from industry-common quad op-amps like TLV2464 (V+ on pin 4, V− on pin 11). Direct replacement requires PCB layout revision - verify pin functions in Section 5 of the SNOSAI7K datasheet.
LMV654MTX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMV®
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 3V/µs
- Gain Bandwidth Product:
- 12 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 80 nA
- Voltage - Input Offset:
- 100 µV
- Current - Supply:
- 122µA (x4 Channels)
- Current - Output / Channel:
- 25 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
LMV654MTX/NOPB FAQ
1.How can I place an order for LMV654MTX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV654MTX/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 LMV654MTX/NOPB reliable?
The price and inventory of LMV654MTX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV654MTX/NOPB is usually 5 days.
3.What payment methods are accepted for LMV654MTX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV654MTX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV654MTX/NOPB?
LMV654MTX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV654MTX/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 LMV654MTX/NOPB?
For technical support, including LMV654MTX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV654MTX/NOPB requirements.
6.How does Aetrix verify that LMV654MTX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV654MTX/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 LMV654MTX/NOPB meets industry standards.
7.What is the process for return or replacement of LMV654MTX/NOPB?
All LMV654MTX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV654MTX/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 LMV654MTX/NOPB part is unused and in its original packaging.
Return procedure for LMV654MTX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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