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Home > Products > Integrated Circuits (ICs) > Linear > Instrumentation, Op Amps, Buffer Amps

Texas Instruments LM6154BCMX/NOPB

Name: LM6154BCMX/NOPB
Brand: Texas Instruments
SKU: LM6154BCMX/NOPB
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: LM6154BCMX/NOPB

Manufacturer:: Texas Instruments

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 14-SOIC (0.154", 3.90mm Width)

Datasheet:: LM6154BCMX/NOPB.pdf

Description:: IC OPAMP GP 4 CIRCUIT 14SOIC

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Product details

Overview

LM6154BCMX/NOPB from Texas Instruments is a quad rail-to-rail input/output operational amplifier optimized for high-speed, low-power portable applications. It delivers 75 MHz gain-bandwidth, 45 V/µs large-signal slew rate, and rail-to-rail output swing (0.01 V to 4.99 V at 5 V supply) while consuming only 1.4 mA per amplifier - enabling battery-powered instrumentation with wide dynamic range and fast settling (1.1 µs to 0.01% for 2 V step).

For engineers reviewing the LM6154BCMX/NOPB datasheet, LM6154BCMX/NOPB pinout, LM6154BCMX/NOPB application, or LM6154BCMX/NOPB equivalent, key selection criteria include its >rail-to-rail input CMVR (−0.25 V to 5.25 V at 5 V), PSRR (91 dB), CMRR (84 dB), and proven capacitive-load drive capability up to 470 pF without oscillation in gains ≥2.

Technical Context

The LM6154BCMX/NOPB employs a patented input stage with voltage-dependent slew-rate enhancement: differential input voltage increase directly raises slew rate - from ~5 V/µs (small-signal) to 45 V/µs (large-signal) - improving transient response and phase margin under capacitive loading. This architecture enables stable operation driving 470 pF loads at gain ≥2 without external compensation.

Its rail-to-rail input extends beyond supply rails (−0.25 V to +5.25 V at V_S = 5 V), eliminating common-mode range constraints in single-supply signal conditioning. The output swings within 10 mV of each rail (0.01 V to 4.99 V at V_S = 5 V, R_L = 100 kΩ), maximizing dynamic range in low-voltage systems.

Key Specifications

Parameter	Value and Actual Design Meaning
Gain-Bandwidth Product	75 MHz @ 100 kHz - supports closed-loop bandwidths up to ~7.5 MHz at gain = 10, suitable for high-fidelity signal amplification and ADC buffering.
Large-Signal Slew Rate	45 V/µs - enables full-scale 2 V step settling in 1.1 µs to 0.01%, critical for precision data acquisition timing.
Input CMVR	−0.25 V to 5.25 V @ 5 V supply - accepts inputs 0.25 V below ground or 0.25 V above V+, simplifying level-shifting in single-supply sensor interfaces.
Rail-to-Rail Output Swing	0.01 V to 4.99 V @ 5 V, R_L = 100 kΩ - delivers >99.6% of full supply range, preserving SNR in low-voltage analog front-ends.
Supply Current per Amplifier	1.4 mA typical @ 5 V - enables four-channel amplification at <5.6 mA total, extending battery life in portable medical or test equipment.
PSRR / CMRR	91 dB / 84 dB - rejects power supply noise and common-mode interference in noisy industrial environments.
Operating Supply Range	2.7 V to 24 V - supports direct integration into both coin-cell-powered handhelds and industrial 24 V systems without level translation.

Pinout & Package

LM6154BCMX/NOPB is housed in a 14-pin SOIC (D14A) package measuring 8.636 mm × 3.912 mm, with 1.27 mm lead pitch and 1.75 mm max height. The package is RoHS-compliant, green (no Sb/Br), and moisture-sensitive level 1 (260°C peak reflow).

Pin/Terminal	Circuit Role	Design Meaning
1, 7, 8, 14	OUT A–D	Amplifier output terminals - rail-to-rail swing enables direct interface to SAR ADC reference buffers or active filters.
2, 6, 9, 13	−IN A–D	Inverting inputs - high-impedance (30 MΩ) nodes compatible with high-Z sensor sources and precision feedback networks.
3, 5, 10, 12	+IN A–D	Non-inverting inputs - accept signals beyond supply rails (−0.25 V to 5.25 V), eliminating need for external biasing in single-supply designs.
4	V−	Negative supply terminal - supports dual-supply (±12 V) or single-supply (0 V ground) operation; must be decoupled locally.
11	V− (shared)	Common negative supply pin for all four amplifiers - requires low-impedance connection to minimize crosstalk and supply coupling.
4	V+	Positive supply terminal - accepts 2.7–24 V; internal regulation ensures stable biasing across full supply range.

Key Features

Feature	Design Value
Voltage-Dependent Slew Rate	Increases from 5 V/µs (small-signal) to 45 V/µs (large-signal) - maintains fidelity on fast transients while minimizing power during quiescent periods.
Rail-to-Rail Input Beyond Supplies	CMVR extends −0.25 V below V− and +0.25 V above V+ - eliminates input clamping diodes and associated leakage in sensor front-ends.
Capacitive Load Drive Stability	Stable with ≥470 pF loads at gain ≥2 - removes need for isolation resistors or complex compensation in DAC output buffers or cable drivers.
Low 1/f Noise Corner	Input voltage noise = 9 nV/√Hz @ 1 kHz - preserves signal integrity in DC-coupled precision instrumentation and weigh-scale amplifiers.
High Amp-to-Amp Isolation	125 dB - prevents crosstalk between channels in multi-sensor data loggers or quad-channel oscilloscope front-ends.

Applications

Portable High-Speed Instrumentation	Signal Conditioning Amplifier / ADC Buffers
Use Scenario: Handheld spectrum analyzers and portable oscilloscopes requiring multi-channel analog front-ends with fast settling and wide dynamic range. IC Role / Device Role: Quad-channel buffer and gain stage preceding 12-bit+ SAR ADCs, leveraging rail-to-rail I/O to maximize resolution at 3.3 V or 5 V supplies. Use Value: 1.1 µs settling to 0.01% and 75 MHz GBW enable accurate digitization of MHz-range signals without aliasing or distortion.	Use Scenario: Industrial sensor nodes (e.g., strain gauge, thermocouple) feeding multiplexed ADCs in PLC modules or condition monitoring systems. IC Role / Device Role: Precision instrumentation amplifier front-end and ADC input driver, using >rail-to-rail CMVR to accommodate unipolar/bipolar sensor outputs. Use Value: −0.25 V to 5.25 V input range accepts sensor offsets without external level shift; 91 dB PSRR rejects switching regulator noise in dense PCB layouts.
Barcode Scanners	Low-Voltage Battery-Powered Test Equipment
Use Scenario: Laser-based barcode readers where photodiode current must be amplified and conditioned before digitization in compact, battery-operated housings. IC Role / Device Role: Transimpedance amplifier (TIA) and post-amplifier stage, exploiting low input bias current (500 nA max) and high speed. Use Value: 45 V/µs slew rate resolves narrow laser pulse edges; 1.4 mA per amplifier extends AA/AAA battery life beyond 20 hours of continuous scanning.	Use Scenario: Pocket-sized multimeters and LCR meters operating from single 3.7 V Li-ion cells, demanding high accuracy across temperature and supply variation. IC Role / Device Role: Reference buffer, autoranging amplifier, and display driver interface - utilizing wide 2.7–24 V supply range and 84 dB CMRR. Use Value: Stable performance from 3.0 V to 4.2 V battery discharge curve; rail-to-rail output ensures full-scale meter deflection without headroom loss.

Portable High-Speed Instrumentation

Signal Conditioning Amplifier / ADC Buffers

Use Scenario: Handheld spectrum analyzers and portable oscilloscopes requiring multi-channel analog front-ends with fast settling and wide dynamic range.

IC Role / Device Role: Quad-channel buffer and gain stage preceding 12-bit+ SAR ADCs, leveraging rail-to-rail I/O to maximize resolution at 3.3 V or 5 V supplies.

Use Value: 1.1 µs settling to 0.01% and 75 MHz GBW enable accurate digitization of MHz-range signals without aliasing or distortion.

Use Scenario: Industrial sensor nodes (e.g., strain gauge, thermocouple) feeding multiplexed ADCs in PLC modules or condition monitoring systems.

IC Role / Device Role: Precision instrumentation amplifier front-end and ADC input driver, using >rail-to-rail CMVR to accommodate unipolar/bipolar sensor outputs.

Use Value: −0.25 V to 5.25 V input range accepts sensor offsets without external level shift; 91 dB PSRR rejects switching regulator noise in dense PCB layouts.

Barcode Scanners

Low-Voltage Battery-Powered Test Equipment

Use Scenario: Laser-based barcode readers where photodiode current must be amplified and conditioned before digitization in compact, battery-operated housings.

IC Role / Device Role: Transimpedance amplifier (TIA) and post-amplifier stage, exploiting low input bias current (500 nA max) and high speed.

Use Value: 45 V/µs slew rate resolves narrow laser pulse edges; 1.4 mA per amplifier extends AA/AAA battery life beyond 20 hours of continuous scanning.

Use Scenario: Pocket-sized multimeters and LCR meters operating from single 3.7 V Li-ion cells, demanding high accuracy across temperature and supply variation.

IC Role / Device Role: Reference buffer, autoranging amplifier, and display driver interface - utilizing wide 2.7–24 V supply range and 84 dB CMRR.

Use Value: Stable performance from 3.0 V to 4.2 V battery discharge curve; rail-to-rail output ensures full-scale meter deflection without headroom loss.

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad rail-to-rail op amp applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLV2464IDR	Lower GBW (6.4 MHz), higher supply current (650 µA/amplifier), no slew-rate enhancement - fixed 1.5 V/µs slew rate.	Better DC precision (0.3 mV V_OS) but insufficient speed for >100 kHz signal conditioning or fast-settling ADC buffering.	Select TLV2464IDR only when ultra-low offset and low power (<3 mA total) outweigh bandwidth requirements.
OPA4340UA	Higher GBW (5.5 MHz), lower noise (8 nV/√Hz), but limited CMVR (to rails, not beyond) and no capacitive-load stability guarantee.	Superior for audio and precision DC applications, but requires external compensation for >100 pF loads and cannot accept inputs below ground.	Choose OPA4340UA for low-noise, low-distortion audio paths; avoid for sensor interfaces needing extended CMVR or direct capacitive load drive.

Compared with TLV2464IDR and OPA4340UA, LM6154BCMX/NOPB uniquely combines 75 MHz bandwidth, rail-to-rail input beyond supplies, and intrinsic 470 pF capacitive-load stability - making it the only option among the three for high-speed, single-supply, high-CMVR applications like portable test gear and multi-channel data acquisition.

Availability

LM6154BCMX/NOPB is available at Aetrix Electronics and suitable for portable instrumentation, sensor signal conditioning, barcode scanner front-ends, and low-voltage battery-powered test equipment requiring stable component supply across long production lifecycles.

Supply support for LM6154BCMX/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 high-performance op amps and precision signal chain solutions.

The LM615x family was designed specifically for portable, battery-constrained applications demanding high speed and low power - delivering 75 MHz GBW at just 1.4 mA/amplifier while maintaining rail-to-rail I/O and robust capacitive-load drive.

FAQ

What is the maximum capacitive load LM6154BCMX/NOPB can drive without oscillation?

The LM6154BCMX/NOPB is specified to drive ≥470 pF capacitive loads stably at closed-loop gains of 2 or higher without external compensation. This capability stems from its patented input-stage slew-rate enhancement, which improves phase margin under capacitive loading. For gains <2 or loads >470 pF, small series isolation resistors (10–50 Ω) at the output may be required. Performance is verified per Figure 26 and Section 7 of the SNOS752E datasheet.

Does LM6154BCMX/NOPB support true rail-to-rail input - including voltages beyond the supply rails?

Yes. The LM6154BCMX/NOPB features a patented input stage that allows input voltages from −0.25 V to +5.25 V when operated at V_S = 5 V - i.e., 0.25 V below V− and 0.25 V above V+. This "beyond-the-rails" input range eliminates concerns about exceeding common-mode limits in single-supply sensor interfaces and simplifies design by removing clamping diodes or level-shift circuits.

What is the typical supply current for LM6154BCMX/NOPB at 3.3 V operation?

At V_S = 3.3 V, the LM6154BCMX/NOPB draws 1.35 mA per amplifier (5.4 mA total for all four channels), as confirmed in Section 6.7 (2.7 V DC Electrical Characteristics) of the SNOS752E datasheet. This low quiescent current enables extended runtime in USB-powered or coin-cell devices while retaining 75 MHz GBW and rail-to-rail functionality.

Can LM6154BCMX/NOPB operate from a single 2.7 V supply?

Yes. The LM6154BCMX/NOPB is fully specified down to 2.7 V single-supply operation, with guaranteed performance including 80 MHz GBW (typical), 1.35 mA/amplifier supply current, and rail-to-rail output swing (0.07 V to 2.64 V at R_L = 10 kΩ). Its input CMVR extends from −0.25 V to 2.95 V, supporting direct interfacing to low-voltage sensors and microcontrollers.

What is the settling time specification for LM6154BCMX/NOPB, and under what conditions is it measured?

The LM6154BCMX/NOPB achieves 1.1 µs settling time to 0.01% for a 2 V step input, measured under standard conditions: V_S = 5 V, V_CM = V_O = V_S/2, R_L > 1 MΩ, and unity-gain configuration. This value reflects the combined effect of its 75 MHz GBW and voltage-enhanced slew rate, and is validated in Section 6.6 (5.0 V AC Electrical Characteristics) of the SNOS752E datasheet.

LM6154BCMX/NOPB Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: -

Package/Case:: 14-SOIC (0.154", 3.90mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Amplifier Type:: General Purpose

Number of Circuits:: 4

Output Type:: Rail-to-Rail

Slew Rate:: 30V/µs

Gain Bandwidth Product:: 80 MHz

-3db Bandwidth:: -

Current - Input Bias:: 500 nA

Voltage - Input Offset:: 300 µV

Current - Supply:: 1.6mA (x4 Channels)

Current - Output / Channel:: 16.9 mA

Voltage - Supply Span (Min):: 2.7 V

Voltage - Supply Span (Max):: 24 V

Operating Temperature:: 0°C ~ 70°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 14-SOIC

LM6154BCMX/NOPB FAQ

1.How can I place an order for LM6154BCMX/NOPB through Aetrix?

Please submit a Request for Quotation (RFQ) for LM6154BCMX/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 LM6154BCMX/NOPB reliable?

The price and inventory of LM6154BCMX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM6154BCMX/NOPB is usually 5 days.

3.What payment methods are accepted for LM6154BCMX/NOPB?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM6154BCMX/NOPB transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for LM6154BCMX/NOPB?

LM6154BCMX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your LM6154BCMX/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 LM6154BCMX/NOPB?

For technical support, including LM6154BCMX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM6154BCMX/NOPB requirements.

6.How does Aetrix verify that LM6154BCMX/NOPB is sourced from the original manufacturer or authorized distributors?

All LM6154BCMX/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 LM6154BCMX/NOPB meets industry standards.

7.What is the process for return or replacement of LM6154BCMX/NOPB?

All LM6154BCMX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LM6154BCMX/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 LM6154BCMX/NOPB part is unused and in its original packaging.

Return procedure for LM6154BCMX/NOPB:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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