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Texas Instruments LMC7101BIM5X
- Part No.:
- LMC7101BIM5X
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
LMC7101BIM5X.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:3,131
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Product details
Overview
LMC7101BIM5X from Texas Instruments is a single-channel, rail-to-rail input/output CMOS operational amplifier in a 5-pin SOT-23 package, specified for supply voltages from 2.7V to 15V, delivering 1MHz gain bandwidth, 0.5mA quiescent current at 5V, and 0.01% THD at 10kHz - enabling precision signal conditioning in space-constrained battery-powered sensor interfaces.
For engineers reviewing the LMC7101BIM5X datasheet, LMC7101BIM5X pinout, LMC7101BIM5X application, or LMC7101BIM5X equivalent, key selection criteria include rail-to-rail operation across wide supply ranges, ultra-low input bias current (±1pA), industrial temperature support (–40°C to +85°C), and SOT-23 footprint compatibility with high-density portable layouts.
Technical Context
The LMC7101BIM5X employs a CMOS input stage enabling femtoampere-level input bias current and >1TΩ input resistance, supporting high-impedance sensor interfacing without significant loading error. Its rail-to-rail input common-mode range extends 300mV beyond both supply rails, eliminating phase inversion under overvoltage conditions.
Internally compensated for unity-gain stability, it achieves 1MHz GBW with 1V/µs slew rate at 5V, and maintains ≥47dB CMRR over full 0–5V common-mode range. Thermal performance is characterized by RθJA = 193.5°C/W in the DBV package, supporting operation up to +85°C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7V to 15V - supports single-supply operation from low-voltage battery systems (e.g., 3V coin cell) up to industrial 12V rails without level-shifting. |
| Gain Bandwidth Product | 1MHz - enables stable closed-loop gain of 100 at 10kHz, suitable for anti-aliasing filters and sensor amplification in data acquisition. |
| Input Bias Current | ±1pA typical - minimizes voltage drop across high-impedance sources (e.g., pH electrodes, photodiodes), preserving signal fidelity. |
| THD @ 10kHz | 0.01% - meets audio-grade linearity requirements for voice-band signal conditioning in portable comms devices. |
| Rail-to-Rail I/O | Input extends 300mV beyond rails; output swings within 180mV of rails (RL = 2kΩ, VS = 5V) - maximizes dynamic range in low-voltage systems. |
| Quiescent Current | 0.5mA typical at 5V - enables >1000-hour battery life in 10µA-sleep microcontroller systems with active analog front-end duty cycling. |
| Operating Temperature | –40°C to +85°C - qualified for automotive cabin electronics, industrial handhelds, and outdoor sensor nodes. |
Pinout & Package
LMC7101BIM5X is housed in a 5-pin SOT-23 (DBV) package measuring 2.9mm × 2.8mm × 1.43mm - optimized for PCB area reduction and thermal dissipation in dense layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Output | Amplified differential signal node; capable of sourcing/sinking up to 24mA (short-circuit limited); rail-to-rail swing enables full-scale ADC input drive. |
| 2 (V+) | Power | Positive supply terminal; accepts 2.7V–15V; decoupling capacitor placement here suppresses PSRR degradation above 10kHz. |
| 3 (+IN) | Input | Noninverting input; CMOS input impedance >1TΩ allows direct connection to high-Z transducers without buffer stages. |
| 4 (−IN) | Input | Inverting input; matched to +IN for precision difference amplification; input offset voltage drift ≤1µV/°C ensures stability across temperature. |
| 5 (V−) | Power | Negative supply terminal; supports single-supply (0V) or split-supply (±Vs) operation; must be referenced to system ground in unipolar configurations. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input common-mode range | Extends 300mV beyond V− and V+, enabling direct interface to sensors operating outside supply rails without external clamping. |
| Ultra-low input bias current | ±1pA typical - reduces error voltage across 10MΩ source impedances to <10µV, critical for precision medical and environmental sensing. |
| Low THD + noise | 0.01% THD at 10kHz + 37nV/√Hz input voltage noise - preserves signal integrity in audio preamps and instrumentation amplifiers. |
| Wide supply flexibility | Characterized from 2.7V to 15V - eliminates need for separate voltage regulators when interfacing with mixed-supply SoCs or legacy 12V subsystems. |
| SOT-23-5 footprint | 2.9mm × 2.8mm area - occupies 42% less board space than SOIC-8 equivalents, enabling placement adjacent to sensors to minimize EMI pickup. |
Applications
| Portable Medical Sensors | Automotive Cabin Monitoring |
|---|---|
Use Scenario: Amplifying weak signals from electrochemical gas sensors in wearable air-quality monitors. IC Role / Device Role / Timing Role: Precision DC-coupled transducer amplifier with rail-to-rail output driving 12-bit SAR ADC reference range. Use Value: ±1pA input bias current prevents baseline drift in µA-level sensor currents; 0.01% THD ensures accurate ppm-level concentration calculation. | Use Scenario: Signal conditioning for seat occupancy detection using capacitive touch electrodes. IC Role / Device Role / Timing Role: High-input-impedance buffer isolating electrode capacitance from MCU GPIO, operating from 5V vehicle bus. Use Value: Rail-to-rail input accommodates electrode voltage shifts during occupant movement; 1MHz GBW supports fast response to occupancy events. |
| Industrial Wireless Sensor Nodes | Audio Front-End for VoIP Handsets |
Use Scenario: Amplifying thermocouple outputs in battery-powered IIoT temperature loggers. IC Role / Device Role / Timing Role: Low-power instrumentation amplifier stage preceding sigma-delta ADC, powered from 3.3V Li-ion cell. Use Value: 0.5mA quiescent current extends 5-year field deployment; –40°C to +85°C rating ensures reliability in uncontrolled environments. | Use Scenario: Microphone preamplifier in compact SIP-based VoIP handsets with tight PCB real estate. IC Role / Device Role / Timing Role: Single-supply, rail-to-rail op-amp providing 20dB gain before codec ADC input. Use Value: 1MHz GBW and 0.01% THD preserve voice clarity; SOT-23-5 footprint allows placement directly behind MEMS mic capsule. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMC6482IMX | Dual-channel SOIC-8; higher IQ (1.2mA); identical rail-to-rail I/O and 1MHz GBW but larger footprint. | Preferred where dual amplifiers are needed on same board; unsuitable for ultra-compact single-channel designs. | Select LMC7101BIM5X when board area is constrained and only one amplifier is required per node. |
| MCP6001T-E/OT | Single SOT-23-5; lower GBW (1MHz same), but higher input offset (±1.5mV vs ±0.11mV typ) and no guaranteed rail-to-rail input beyond rails. | Better suited for cost-sensitive consumer applications where precision offset and overrail tolerance are noncritical. | Choose LMC7101BIM5X for sensor front-ends requiring sub-mV offset and robust overvoltage immunity. |
Compared with LMC6482IMX and MCP6001T-E/OT, the LMC7101BIM5X uniquely combines SOT-23-5 size, ±0.11mV max offset, 300mV overrail input tolerance, and 1MHz GBW - making it the only option meeting all four criteria for high-precision, space-limited analog signal chains.
Availability
LMC7101BIM5X is available at Aetrix Electronics and suitable for portable medical sensors, automotive cabin monitoring, industrial wireless sensor nodes, and audio front-end for VoIP handsets requiring stable component supply across multi-year production cycles.
Supply support for LMC7101BIM5X 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 signal conditioning.
The LMC7101BIM5X belongs to TI's LMC-series of rail-to-rail CMOS op-amps designed specifically for space- and power-constrained applications in portable, automotive, and industrial electronics.
FAQ
What is the maximum supply voltage for LMC7101BIM5X?
The absolute maximum supply voltage (VS = V+ − V−) for LMC7101BIM5X is 16V, with recommended operation up to 15.5V. Operation at 15V is fully characterized - including 1.1MHz GBW, 0.01% THD, and rail-to-rail output swing - making LMC7101BIM5X suitable for industrial 12V systems with margin.
Does LMC7101BIM5X support true rail-to-rail input beyond the supply rails?
Yes. LMC7101BIM5X accepts input voltages up to 300mV beyond both V+ and V− without phase inversion, a feature confirmed in Figure 6-1 and Section 6.4.1.1 of the datasheet. This overrail tolerance simplifies front-end protection design in LMC7101BIM5X-based sensor interfaces.
What is the typical input offset voltage for LMC7101BIM5X at 25°C?
The typical input offset voltage for LMC7101BIM5X is ±0.11mV at 25°C, with a maximum of ±9mV over the full –40°C to +85°C industrial temperature range. This low drift (≤1µV/°C) ensures stable DC accuracy in LMC7101BIM5X implementations across thermal environments.
Can LMC7101BIM5X drive capacitive loads directly?
LMC7101BIM5X can directly drive up to 100pF at unity gain with 15V supply without oscillation, as verified in Section 7.1.2. For larger capacitive loads (e.g., ADC inputs), resistive isolation (e.g., 300Ω series resistor) is recommended - a technique validated in Figure 7-1 for LMC7101BIM5X stability.
Is LMC7101BIM5X suitable for automotive applications?
LMC7101BIM5X is rated for industrial temperature (–40°C to +85°C) and used in automotive cabin systems, but TI offers the automotive-qualified LMC7101Q-Q1 variant for AEC-Q100 Grade 2 (–40°C to +105°C) applications. LMC7101BIM5X remains appropriate for non-safety-critical automotive modules where extended temperature is not required.
LMC7101BIM5X Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 1.1V/µs
- Gain Bandwidth Product:
- 1.1 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 110 µV
- Current - Supply:
- 800µA
- Current - Output / Channel:
- 50 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 15.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
LMC7101BIM5X FAQ
1.How can I place an order for LMC7101BIM5X through Aetrix?
Please submit a Request for Quotation (RFQ) for LMC7101BIM5X 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 LMC7101BIM5X reliable?
The price and inventory of LMC7101BIM5X are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMC7101BIM5X is usually 5 days.
3.What payment methods are accepted for LMC7101BIM5X?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMC7101BIM5X transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMC7101BIM5X?
LMC7101BIM5X orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMC7101BIM5X 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 LMC7101BIM5X?
For technical support, including LMC7101BIM5X datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMC7101BIM5X requirements.
6.How does Aetrix verify that LMC7101BIM5X is sourced from the original manufacturer or authorized distributors?
All LMC7101BIM5X 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 LMC7101BIM5X meets industry standards.
7.What is the process for return or replacement of LMC7101BIM5X?
All LMC7101BIM5X units undergo pre-shipment inspection (PSI). If there is an issue with LMC7101BIM5X, 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 LMC7101BIM5X part is unused and in its original packaging.
Return procedure for LMC7101BIM5X:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LMC7101BIM5X Tags
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