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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - Instrumentation, OP Amps, Buffer AmpsLMC6572BIN
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LMC6572BIN - Texas Instruments

Manufacturer Part Number
LMC6572BIN
Manufacturer
Texas Instruments
Allelco Part Number
32D-LMC6572BIN
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
12,390 pcs available, New & Original
Parts Description
IC OPAMP GP 2 CIRCUIT 8MDIP
Package
8-MDIP
Data sheet
-
RoHs Status
 
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In stock: 12390

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Specifications

LMC6572BIN Tech Specifications
Texas Instruments - LMC6572BIN technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LMC6572BIN

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply Span (Min) 2.7 V
Voltage - Supply Span (Max) 11 V
Voltage - Input Offset 500 µV
Supplier Device Package 8-MDIP
Slew Rate 0.09V/µs
Series -
Package / Case 8-DIP (0.300", 7.62mm)
Package Tube
Product Attribute Attribute Value
Output Type Push-Pull, Rail-to-Rail
Operating Temperature -40°C ~ 85°C (TJ)
Number of Circuits 2
Mounting Type Through Hole
Gain Bandwidth Product 220 kHz
Current - Supply 160µA (x2 Channels)
Current - Output / Channel 6 mA
Current - Input Bias 10 pA
Amplifier Type General Purpose

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
ECCN EAR99

Frequently Asked Questions(FAQ)

What are the key trade-offs when using the LMC6572BIN in low-power sensor signal conditioning applications?
The LMC6572BIN offers an exceptionally low supply current of 160 µA per channel, making it suitable for battery-powered systems, but its 220 kHz gain bandwidth product and 0.09 V/µs slew rate limit performance in higher-frequency or fast-transient applications. In precision sensor interfaces, the 500 µV input offset voltage may require external trimming or calibration in sub-millivolt signal chains, especially when compared to zero-drift amplifiers. Additionally, the 10 pA input bias current is favorable for high-impedance sources, but the device’s limited output drive (6 mA per channel) restricts use with low-impedance loads or long transmission lines.
How does the LMC6572BIN compare to the ALD2706BPAL in terms of noise performance and dynamic response?
While the LMC6572BIN provides rail-to-rail output swing and lower quiescent current, the ALD2706BPAL typically exhibits lower voltage noise density, making it better suited for high-resolution measurement systems. The LMC6572BIN’s 0.09 V/µs slew rate results in noticeable distortion when amplifying signals above a few kilohertz with moderate amplitudes—such as a 10 kHz sine wave exceeding 1 Vpp—whereas the ALD2706BPAL’s faster response supports cleaner waveform reproduction in such conditions. However, the LMC6572BIN maintains an advantage in ultra-low-power designs where every microampere counts.
Can the LMC6572BIN operate reliably in industrial temperature environments with supply voltages near its minimum specification?
Yes, the LMC6572BIN is rated for operation from -40°C to 85°C junction temperature and supports a minimum supply span of 2.7 V, enabling functionality in 3.0 V or 3.3 V industrial systems under cold-start or voltage-drop conditions. However, at temperatures approaching -40°C, the already modest slew rate may degrade further, potentially causing signal distortion in time-critical applications. Designers should validate performance at low voltage and temperature extremes, particularly when driving capacitive loads or processing step inputs.
What layout considerations are critical when using the LMC6572BIN in a through-hole 8-MDIP package?
The 8-MDIP package’s through-hole mounting introduces longer lead lengths, increasing susceptibility to parasitic inductance and electromagnetic interference. To minimize noise coupling, place decoupling capacitors (e.g., 100 nF ceramic) as close as possible to the supply pins, and avoid routing high-impedance nodes near digital traces. Ground planes beneath the device improve thermal dissipation and reduce ground impedance, but care must be taken to prevent solder wicking during hand assembly, which can affect joint reliability over thermal cycles.
Is the LMC6572BIN suitable for single-supply audio preamplification stages?
The LMC6572BIN can be used in single-supply audio applications within its 2.7 V to 11 V range, and its rail-to-rail output allows maximum signal swing. However, the 0.09 V/µs slew rate limits full-power bandwidth to approximately 1.4 kHz for a 10 Vpp output, introducing significant harmonic distortion at audio frequencies above 5 kHz. For voice-band applications (300 Hz–3.4 kHz), it may suffice with reduced gain, but for full-range audio, a higher slew rate amplifier is recommended to preserve fidelity.
How does the input offset voltage of the LMC6572BIN impact precision DC measurement circuits?
With a typical input offset voltage of 500 µV, the LMC6572BIN introduces an error equivalent to 0.5 mV at the input, which can dominate in microvolt-level signal chains such as thermocouple or strain gauge interfaces. In a non-inverting configuration with a gain of 100, this offset translates to a 50 mV output error—potentially exceeding acceptable tolerances in 12-bit or higher ADC systems. External nulling or post-processing calibration is often necessary when using the LMC6572BIN in high-accuracy DC applications.
What are the implications of the LMC6572BIN being marked as obsolete, and how should engineers approach design-in decisions?
The LMC6572BIN’s obsolete status indicates that Texas Instruments no longer manufactures or supports the device, which introduces supply chain risk for new designs. While existing inventory may be available through distributors, long-term availability is uncertain. Engineers should evaluate listed substitutes like the MAX407CPA+ or ALD2706PAL for drop-in compatibility, but must verify pinout, electrical characteristics, and package dimensions. For legacy system maintenance, the LMC6572BIN remains usable, but new designs should prioritize active, RoHS-compliant alternatives.
Can the LMC6572BIN drive capacitive loads directly without stability issues?
The LMC6572BIN lacks internal compensation for capacitive loads, and driving more than a few tens of picofarads (e.g., 100 pF or higher) can lead to peaking or oscillation due to phase margin degradation. When interfacing with cables or filter capacitors, a small series resistor (10–100 Ω) between the output and load is recommended to isolate the amplifier from the capacitive reactance. This resistor, combined with a feedback capacitor in high-gain configurations, helps maintain stability at the cost of slightly reduced bandwidth.
How does the LMC6572BIN’s input bias current affect performance with high-impedance signal sources?
The LMC6572BIN’s input bias current of 10 pA is exceptionally low, minimizing voltage drop across high-value source impedances—such as those found in photodiodes or electret microphones. For a 1 MΩ source, the resulting offset is only 10 µV, which is negligible in most applications. This makes the LMC6572BIN well-suited for buffering high-impedance nodes without requiring input current cancellation techniques, though guarding and clean PCB layout remain essential to prevent leakage currents from dominating.
What is the effective bandwidth of the LMC6572BIN when configured for a closed-loop gain of 100?
Given a gain bandwidth product of 220 kHz, the LMC6572BIN’s -3 dB bandwidth at a closed-loop gain of 100 is approximately 2.2 kHz. This limits its usefulness in applications requiring signal fidelity beyond a few kilohertz, such as active filtering or data acquisition with fast settling requirements. For lower gains (e.g., unity gain), bandwidth extends to 220 kHz, but slew rate becomes the dominant limitation for large signals, capping full-power bandwidth well below the GBW-derived value.
How does the LMC6572BIN compare to the MAX407CPA+ in terms of power efficiency and output drive capability?
The LMC6572BIN consumes 160 µA per channel, offering superior power efficiency in always-on monitoring circuits, while the MAX407CPA+ typically draws higher quiescent current but provides better output drive and faster transient response. The MAX407CPA+ can source/sink more current and maintain stability with heavier loads, making it preferable in buffer or line-driver roles. However, for micropower applications where signal levels are small and loads are light, the LMC6572BIN’s lower current consumption may justify its performance trade-offs.
Is external ESD protection recommended when using the LMC6572BIN in field-deployed sensor nodes?
Although the LMC6572BIN has inherent ESD protection typical of CMOS op-amps, its through-hole 8-MDIP package and potential exposure in industrial or outdoor environments increase risk during handling or operation. Adding TVS diodes or series resistors at input pins can prevent damage from electrostatic discharge or transient overvoltage events, especially when connecting remote sensors via long cables. This is particularly important given the device’s non-RoHS status, which may correlate with older process technologies and reduced robustness.
What output voltage swing can be expected from the LMC6572BIN when operating on a 3.3 V supply?
The LMC6572BIN features rail-to-rail output stages, enabling it to swing within millivolts of both supply rails under light loads. On a 3.3 V supply, typical output swing ranges from 10 mV to 3.29 V when sourcing or sinking 1 mA. At higher output currents (approaching 6 mA), headroom increases slightly due to output stage saturation, reducing the usable dynamic range. For maximum signal integrity, keep load currents below 2 mA to maintain near-rail performance.
Can the LMC6572BIN be used in a dual-supply configuration, and what are the limitations?
The LMC6572BIN supports dual-supply operation as long as the total supply span remains within 2.7 V to 11 V (e.g., ±1.35 V to ±5.5 V). However, the input common-mode range does not include the negative rail under single-supply conditions, and in dual-supply setups, signals must remain within the specified input voltage range to avoid phase reversal or distortion. Additionally, the output cannot exceed the supply rails, so symmetric signal swings must account for headroom losses, especially at higher output currents.
What alternatives should be considered if RoHS compliance is required for new designs using the LMC6572BIN?
Since the LMC6572BIN is non-RoHS compliant, designers must transition to modern equivalents such as the MAX407CPA+ or ALD2706PAL, which offer similar low-power operation and general-purpose performance while meeting environmental regulations. These substitutes may require minor circuit adjustments due to differences in pinout, supply current, or noise characteristics, but they ensure compliance with global manufacturing standards and improve long-term availability. Evaluation in the target application is advised before finalizing the replacement.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LMC6572BIN

Product Attribute LMC6572BIM/NOPB LMC6572BIMX/NOPB LMC6572BIM LMC6574BIM/NOPB
Part Number LMC6572BIM/NOPB LMC6572BIMX/NOPB LMC6572BIM LMC6574BIM/NOPB
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Current - Supply - - - -
Gain Bandwidth Product - - - -
Amplifier Type - - - -
Current - Output / Channel - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Number of Circuits - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Mounting Type - Surface Mount Through Hole Surface Mount
Current - Input Bias - - - -
Slew Rate - - - -
Voltage - Input Offset - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - Supply Span (Max) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Series - - - -
Voltage - Supply Span (Min) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad

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    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

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    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

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    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
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    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

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2.00kg-3.00kg USD$50.00 - USD$100.00
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Texas Instruments

LMC6572BIN

Texas Instruments
32D-LMC6572BIN

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