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Texas Instruments LMC6024IMX
- Part No.:
- LMC6024IMX
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMC6024IMX.pdf
- Description:
- IC CMOS 4 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,626
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Product details
Overview
LMC6024IMX from Texas Instruments is a low-power CMOS quad operational amplifier designed for high-impedance signal conditioning in single-supply systems. It delivers 120 dB voltage gain, 40 fA input bias current, 2.5 μV/°C offset drift, and rail-to-rail output swing into 5 kΩ loads - enabling precision buffering and integration in medical instrumentation and industrial sensor interfaces.
For engineers reviewing the LMC6024IMX datasheet, LMC6024IMX pinout, LMC6024IMX application, or LMC6024IMX equivalent, key selection criteria include ultra-low input bias current for photodiode preamplification, micropower operation (240 μA per amplifier), input common-mode range extending to V−, and stability with capacitive loads up to 100 pF when compensated with series output resistance.
Technical Context
The LMC6024IMX employs a compound integrator-based output stage without a traditional unity-gain buffer, enabling rail-to-rail output swing while maintaining stability into 500 Ω resistive loads. Its topology includes dual feed-forward compensation (Cf and Cff) and a push-pull output stage optimized for both sourcing and sinking current.
DC performance is characterized across −40°C to +85°C with guaranteed input offset voltage ≤11 mV, CMRR ≥63 dB over 0–12 V common-mode range, and PSRR ≥61 dB on both supply rails. AC behavior includes 0.11 V/μs slew rate and 0.35 MHz gain-bandwidth product at unity gain, with 130 dB amp-to-amp isolation minimizing crosstalk in multi-channel configurations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4.75 V to 15.5 V - supports single-supply 5 V systems and higher-voltage industrial rails without level-shifting. |
| Input Bias Current | 40 fA typical - enables femtoampere-level leakage-critical applications like photodiode current-to-voltage conversion. |
| Input Offset Voltage Drift | 2.5 μV/°C - ensures stable DC accuracy over temperature in long-term integrators and precision references. |
| Large-Signal Voltage Gain | ≥100 V/mV into 100 kΩ - maintains high closed-loop precision for sensor amplification with minimal gain error. |
| Slew Rate | 0.11 V/μs - sufficient for 1 kHz low-distortion (<0.01%) signal conditioning in medical front-ends. |
| Output Short-Circuit Current | ±18 mA - allows direct driving of moderate loads (e.g., LED indicators or small relays) without external buffers. |
| Thermal Resistance θJA | 115 °C/W (SOIC-14) - defines maximum power dissipation derating for continuous operation at elevated ambient temperatures. |
Pinout & Package
LMC6024IMX is housed in a 14-pin SOIC (D0014A) package with 1.27 mm pitch, 8.75 mm × 3.9 mm body, and 1.75 mm max height - compatible with standard surface-mount assembly and IPC-7351 land patterns.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 8, 12 | Inverting Input (−) | High-impedance node requiring guard ring layout to preserve 40 fA bias current specification. |
| 2, 6, 9, 13 | Non-inverting Input (+) | Common-mode range extends to V−, enabling ground-referenced sensing in single-supply configurations. |
| 3, 7, 10, 14 | Output | Rail-to-rail swing (e.g., 0.04 V to 4.94 V at 5 V supply, RL = 5 kΩ) supports full dynamic range utilization. |
| 4 | V− (Ground or Negative Supply) | Reference for all four amplifiers; input common-mode includes this rail - critical for single-supply biasing. |
| 11 | V+ (Positive Supply) | Accepts 4.75–15.5 V; internal ESD protection requires handling precautions per TI's MOS gate guidelines. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low input bias current | 40 fA typical - eliminates input error in high-Z transducer interfaces (e.g., pH electrodes, piezoelectric sensors). |
| Rail-to-rail output swing | 0.04 V to 4.94 V at 5 V supply into 5 kΩ - maximizes ADC input range and signal fidelity in 3.3 V/5 V systems. |
| Micropower operation | 240 μA per amplifier max - enables battery-powered portable instrumentation with multi-year runtime. |
| Capacitive load tolerance | Stable with ≥100 pF loads when using 50–100 Ω series output resistor + 5–10 pF feedback capacitor - simplifies anti-aliasing filter design. |
| High channel isolation | 130 dB amp-to-amp rejection - prevents crosstalk in multi-sensor data acquisition systems (e.g., ECG lead amplifiers). |
Applications
| Photodiode Preamp | Medical Sensor Interface |
|---|---|
Use Scenario: Converting weak photocurrent from a reverse-biased photodiode into a measurable voltage signal in pulse oximetry. IC Role / Device Role / Timing Role: Current-to-voltage converter with ultra-low input bias current preserving signal integrity at sub-picoamp levels. Use Value: 40 fA input bias current minimizes dark-current-induced offset, enabling accurate low-light physiological measurement. | Use Scenario: Amplifying microvolt-level bioelectric signals (e.g., EEG, EMG) in portable diagnostic equipment. IC Role / Device Role / Timing Role: High-input-impedance, low-noise preamplifier with rail-to-rail output for direct ADC coupling. Use Value: 42 nV/√Hz input voltage noise and 0.01% THD at 1 kHz ensure clean signal capture without post-processing distortion. |
| Long-Term Integrator | Industrial Process Monitor |
Use Scenario: Accumulating charge from a low-leakage current source over hours in environmental monitoring systems. IC Role / Device Role / Timing Role: Precision integrator with <2.5 μV/°C offset drift to maintain accuracy across temperature cycles. Use Value: Low drift and 120 dB open-loop gain minimize integration error accumulation during extended measurement windows. | Use Scenario: Conditioning 4–20 mA loop sensor outputs in factory automation controllers with wide ambient temperature swings. IC Role / Device Role / Timing Role: High-CMRR (≥63 dB) buffer isolating field-side signals from noisy PLC backplanes. Use Value: 83 dB PSRR and input common-mode range including V− enable robust operation in unregulated 24 V industrial supplies. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMC6044IMX | Lower input bias current (20 fA), higher supply current (320 μA), same SOIC-14 package. | Better for ultra-high-Z applications (e.g., electrophysiology), but less suitable for battery-constrained designs. | Select LMC6044IMX only when femtoampere bias current outweighs micropower requirements. |
| TLV2464IDR | Higher supply current (600 μA), lower input bias current (1 pA), rail-to-rail I/O, 2.5 V min supply. | Supports lower-voltage systems (2.5–6 V), but 1 pA bias current limits use in photodiode applications below 100 nA. | Choose TLV2464IDR for 3.3 V systems needing rail-to-rail I/O where bias current >1 pA is acceptable. |
Compared with LMC6024IMX, LMC6044IMX trades 80 μA higher quiescent current for 20 fA bias current - ideal for lab-grade instrumentation; TLV2464IDR offers wider supply range and rail-to-rail inputs but sacrifices femtoampere sensitivity required in optical sensing.
Availability
LMC6024IMX is available at Aetrix Electronics and suitable for medical instrumentation, industrial process monitors, and portable sensor interfaces requiring stable component supply, long-lifecycle support, and traceable sourcing.
Supply support for LMC6024IMX 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 op-amps and low-power signal chains.
The LMC6024IMX belongs to TI's LMC60xx CMOS op-amp family, engineered specifically for ultra-low-input-bias-current, micropower applications in high-impedance sensor front-ends and battery-operated instrumentation.
FAQ
What is the maximum capacitive load the LMC6024IMX can drive without oscillation?
The LMC6024IMX can drive up to 100 pF capacitive loads stably in unity-gain follower configuration when compensated with a 50–100 Ω series resistor at the output and a 5–10 pF capacitor from inverting input to output. Uncompensated, oscillation may occur above ~30 pF depending on gain and PCB layout parasitics. The LMC6024IMX datasheet Figure 22 and Figure 24 provide empirical stability boundaries versus load capacitance.
Does the LMC6024IMX support true single-supply operation with input signals at ground potential?
Yes, the LMC6024IMX supports true single-supply operation with input common-mode voltage extending to V− (ground), allowing direct interfacing with ground-referenced sensors. Its input stage operates down to the negative rail, and output swings within 40 mV of ground at 5 V supply (RL = 5 kΩ), making the LMC6024IMX suitable for 0–5 V signal chains without level-shifting circuitry.
What is the guaranteed input offset voltage for LMC6024IMX over temperature?
The LMC6024IMX has a guaranteed maximum input offset voltage of 11 mV over the full operating temperature range (−40°C to +85°C), with typical value of 1 mV at 25°C. Its offset voltage drift is specified at 2.5 μV/°C, ensuring predictable drift behavior for calibration in precision integrators and reference buffers using the LMC6024IMX.
Can the LMC6024IMX be used in a photodiode current-to-voltage converter without significant dark-current error?
Yes - the LMC6024IMX's 40 fA typical input bias current minimizes dark-current-induced offset in photodiode circuits. When paired with a 1 MΩ feedback resistor, this contributes only ~40 μV of offset error, far below typical photodiode dark currents (nA range). Layout best practices (guard rings, clean PCB surfaces) are essential to preserve the LMC6024IMX's ultra-low bias current in production.
Is the LMC6024IMX pin-compatible with other TI quad op-amps like the LM324 or TLC274?
No, the LMC6024IMX is not pin-compatible with LM324 or TLC274. While all are 14-pin SOIC quad op-amps, the LMC6024IMX uses a different pinout: its V− is on pin 4 and V+ on pin 11, whereas LM324 places V− on pin 4 and V+ on pin 14. Substituting the LMC6024IMX into an LM324 layout would cause incorrect power connection and potential damage. Always verify pin mapping before replacement.
LMC6024IMX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMC®
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- CMOS
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.11V/µs
- Gain Bandwidth Product:
- 350 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.04 pA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 160µA (x4 Channels)
- Current - Output / Channel:
- 40 mA
- Voltage - Supply Span (Min):
- 4.75 V
- Voltage - Supply Span (Max):
- 15.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
LMC6024IMX FAQ
1.How can I place an order for LMC6024IMX through Aetrix?
Please submit a Request for Quotation (RFQ) for LMC6024IMX 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 LMC6024IMX reliable?
The price and inventory of LMC6024IMX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMC6024IMX is usually 5 days.
3.What payment methods are accepted for LMC6024IMX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMC6024IMX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMC6024IMX?
LMC6024IMX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMC6024IMX 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 LMC6024IMX?
For technical support, including LMC6024IMX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMC6024IMX requirements.
6.How does Aetrix verify that LMC6024IMX is sourced from the original manufacturer or authorized distributors?
All LMC6024IMX 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 LMC6024IMX meets industry standards.
7.What is the process for return or replacement of LMC6024IMX?
All LMC6024IMX units undergo pre-shipment inspection (PSI). If there is an issue with LMC6024IMX, 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 LMC6024IMX part is unused and in its original packaging.
Return procedure for LMC6024IMX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LMC6024IMX Tags
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LM358DT
STMicroelectronics
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LM358DR
Texas Instruments
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LM2904DR
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LM358ADR
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LM2904DGKR
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LM324DR
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MCP6006T-E/OT
Microchip Technology
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MCP6006UT-E/OT
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LM324PWR
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LM2902PWR
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LM2902DR
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LM358P
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