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Texas Instruments LMC7211BIM5X
- Part No.:
- LMC7211BIM5X
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- SC-74A, SOT-753
- Datasheet:
-
LMC7211BIM5X.pdf
- Description:
- IC COMPARATOR 1 GEN PUR SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:1,695
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Product details
Overview
LMC7211BIM5X from Texas Instruments is a micropower CMOS comparator in SOT-23-5 package, featuring rail-to-rail input voltage range (beyond V− and V+), push-pull output capable of sourcing/sinking ≥4.45V/≤0.55V at 5V with 5mA load, and 420ns propagation delay (tPLH) at 5V/100mV overdrive. It operates from 2.7V to 15V supply and draws only 7μA typical supply current - ideal for battery-powered sensor interface circuits.
For engineers reviewing the LMC7211BIM5X datasheet, LMC7211BIM5X pinout, LMC7211BIM5X application, or LMC7211BIM5X equivalent, key selection criteria include its 5-pin SOT-23 footprint, 5mV/15mV offset voltage grades (B-grade = 15mV max), rail-to-rail input beyond supply rails, push-pull output eliminating external pull-up, and guaranteed operation down to 2.7V for single-cell Li-ion or alkaline systems.
Technical Context
The LMC7211BIM5X implements a CMOS input stage enabling ultra-low input bias current (0.04pA typical) and rail-to-rail common-mode input range extending 0.3V beyond both supply rails. Its push-pull output stage delivers symmetrical sourcing/sinking capability without external components, supporting direct logic interfacing and LED drive.
It is characterized across three supply voltages (2.7V, 5V, 15V) with specified AC performance including 420ns tPLH and 450ns tPHL at 5V, and DC parameters such as 15mV max input offset voltage (B-grade), 82dB PSRR at 15V, and 75–82dB CMRR depending on supply. Thermal resistance is 203°C/W in SOT-23-5 package.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7V to 15V - supports single-cell Li-ion (3.0V), dual-alkaline (3.0V), and industrial 12V systems without level-shifting. |
| Input Offset Voltage (B-grade) | 15mV max - enables accurate threshold detection in low-voltage sensor monitoring (e.g., battery voltage supervision). |
| Supply Current | 7μA typical at 5V - extends battery life in always-on portable devices like PDAs and PCMCIA cards. |
| Propagation Delay (tPLH) | 420ns at 5V, 100mV overdrive - sufficient for medium-speed window comparators and zero-crossing detection. |
| Input Common-Mode Range | V− −0.3V to V+ +0.3V - allows direct sensing of signals at supply rails (e.g., VCC monitoring, current-sense resistor drop). |
| Output Type | Push-pull - eliminates need for external pull-up resistors, reduces BOM count, and enables driving multiple CMOS inputs directly. |
| Package | SOT-23-5 (DBV) - 3.05mm × 3.00mm × 1.43mm footprint ideal for space-constrained PCBs in mobile and wearable electronics. |
Pinout & Package
SOT-23-5 (DBV) package: 3.05mm × 3.00mm × 1.43mm body, gull-wing leads, RoHS-compliant NiPdAu/Sn lead finish, MSL Level-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Output | CMOS-compatible push-pull output capable of sourcing/sinking ≥5mA at 5V - drives logic gates or LEDs directly. |
| 2 (−IN) | Inverting Input | High-impedance CMOS node (0.04pA bias) - accepts signals from high-Z sensors or voltage dividers without loading. |
| 3 (V−) | Negative Supply / Ground | Reference return for single-supply operation; supports true ground-referenced inputs even with rail-to-rail common-mode range. |
| 4 (+IN) | Non-inverting Input | Matches Pin 2 impedance and offset behavior - enables differential or single-ended configurations with matched accuracy. |
| 5 (V+) | Positive Supply | Accepts 2.7–15V; powers internal circuitry and defines output swing - no separate logic supply required. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input beyond supplies | Accepts inputs 0.3V below V− and 0.3V above V+, enabling direct VCC monitoring and current-sense amplifier replacement. |
| Push-pull output | Eliminates external pull-up resistors, reduces board area, and ensures fast rise/fall times (15ns each) into 50pF loads. |
| 7μA supply current | Enables multi-year battery life in coin-cell-powered IoT sensors and maintains low self-heating in thermally sensitive designs. |
| 5mV/15mV offset grades | B-grade (LMC7211BIM5X) offers 15mV max offset - balances cost and precision for non-critical threshold detection. |
| SOT-23-5 footprint | 3.05mm × 3.00mm area saves >60% board space vs. SOIC-8 - critical for PCMCIA Type III cards and ultra-thin notebooks. |
Applications
| Battery Voltage Supervision | Optical Sensor Interface |
|---|---|
|
Use Scenario: Monitoring Li-ion cell voltage during charge/discharge cycles in portable medical devices. IC Role / Device Role / Timing Role: Comparator compares sensed cell voltage against 3.0V reference to trigger low-battery warning or cutoff. Use Value: Rail-to-rail input allows direct connection to cell anode/cathode; 7μA quiescent current minimizes drain on standby battery. |
Use Scenario: Detecting ambient light level changes using photodiode output in smart thermostat displays. IC Role / Device Role / Timing Role: Compares photodiode current-derived voltage against adjustable threshold to control backlight dimming. Use Value: 0.04pA input bias prevents signal corruption from high-impedance photodiode; push-pull output drives microcontroller GPIO directly. |
| PCMCIA Card Status Detection | Zero-Crossing Detection |
|
Use Scenario: Sensing insertion/removal of PCMCIA modem cards in legacy industrial laptops. IC Role / Device Role / Timing Role: Detects card presence via voltage divider on card-detect line, triggering host interrupt. Use Value: SOT-23-5 height (1.43mm) fits within PCMCIA Type III mechanical envelope; 2.7V min supply supports 3.3V I/O domains. |
Use Scenario: Generating timing pulses synchronized to AC mains zero crossings in solid-state relays. IC Role / Device Role / Timing Role: Compares AC waveform (via resistive divider) against 0V reference to produce clean digital edges. Use Value: Input common-mode range extends below ground (−0.3V at 2.7V supply), enabling true bipolar signal handling without level shifters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMC7211AIM5X/NOPB | A-grade with 5mV max offset voltage vs. B-grade's 15mV; otherwise identical specs, pinout, and package. | Better accuracy for precision thresholding (e.g., battery protection ICs); higher cost and tighter test screening. | Select LMC7211AIM5X/NOPB when <5mV offset is required; LMC7211BIM5X suffices for general-purpose detection where cost matters. |
| LMC7221BIM5X/NOPB | Same SOT-23-5 package and B-grade offset, but open-drain output instead of push-pull. | Required for mixed-voltage systems (e.g., 5V comparator driving 3.3V logic) or wired-OR bus configurations. | Choose LMC7221BIM5X/NOPB only if open-drain functionality is needed; LMC7211BIM5X simplifies design when push-pull suffices. |
Compared with LMC7211AIM5X/NOPB, the LMC7211BIM5X trades 10mV higher offset for lower unit cost and broader tolerance in non-critical detection. Against LMC7221BIM5X/NOPB, it provides faster, simpler logic interfacing without external pull-ups but lacks voltage-level translation capability.
Availability
LMC7211BIM5X is available at Aetrix Electronics and suitable for battery-powered products, PCMCIA cards, and mobile communications equipment requiring stable component supply across long production lifecycles.
Supply support for LMC7211BIM5X 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 delivering analog and embedded processing solutions, with over 90 years of innovation in precision analog ICs and power management.
The LMC7211 series belongs to TI's rail-to-rail input micropower comparator product line, designed specifically for space- and energy-constrained portable electronics where size, battery life, and direct sensor interfacing are critical.
FAQ
What is the maximum supply voltage rating for the LMC7211BIM5X?
The LMC7211BIM5X has an absolute maximum supply voltage (V+ – V−) of 16V. Continuous operation is specified from 2.7V to 15V per the Electrical Characteristics tables. Exceeding 16V risks permanent damage to the device, and operation above 15V voids guaranteed performance per datasheet specifications.
Does the LMC7211BIM5X support single-supply operation with inputs at ground potential?
Yes, the LMC7211BIM5X supports true single-supply operation with inputs down to V− −0.3V. When V− is grounded, the input common-mode range extends to −0.3V, enabling reliable zero-crossing detection and ground-referenced signal comparison without level-shifting circuitry.
What is the part marking code for the LMC7211BIM5X on the SOT-23-5 package?
The LMC7211BIM5X is marked "C00B" on the top surface of the SOT-23-5 package. This marking is consistent across all active variants of the B-grade SOT-23-5 version, including LMC7211BIM5X/NOPB and LMC7211BIM5X/NOPB.A.
How does the LMC7211BIM5X differ from the LMC7221BIM5X/NOPB?
The LMC7211BIM5X features a push-pull output, while the LMC7221BIM5X/NOPB uses an open-drain output. Both share identical SOT-23-5 packaging, B-grade 15mV offset, and rail-to-rail input. The push-pull output of LMC7211BIM5X eliminates external pull-up resistors and enables faster logic interfacing, whereas LMC7221BIM5X/NOPB supports mixed-voltage signaling and wired-OR configurations.
Is the LMC7211BIM5X RoHS compliant and what is its moisture sensitivity level?
Yes, the LMC7211BIM5X/NOPB variant is RoHS compliant with NiPdAu/Sn lead finish. Its moisture sensitivity level (MSL) is Level-1 at 260°C peak reflow, meaning it can be stored indefinitely at ≤30°C/60% RH without baking prior to assembly - confirmed in TI's official Packaging Information Addendum.
LMC7211BIM5X Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- SC-74A, SOT-753
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- General Purpose
- Number of Elements:
- 1
- Output Type:
- Push-Pull
- Voltage - Supply, Single/Dual (±):
- 2.7V ~ 15V, ±1.35V ~ 7.5V
- :
- 15mV @ 5V
- Voltage - Input Offset (Max):
- 0.04pA @ 5V
- Current - Input Bias (Max):
- 30mA
- Current - Output (Typ):
- 14µA
- Current - Quiescent (Max):
- 75dB CMRR, 80dB PSRR
- CMRR, PSRR (Typ):
- 10µs
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 85°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- SOT-23-5
LMC7211BIM5X FAQ
1.How can I place an order for LMC7211BIM5X through Aetrix?
Please submit a Request for Quotation (RFQ) for LMC7211BIM5X 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 LMC7211BIM5X reliable?
The price and inventory of LMC7211BIM5X are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMC7211BIM5X is usually 5 days.
3.What payment methods are accepted for LMC7211BIM5X?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMC7211BIM5X transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMC7211BIM5X?
LMC7211BIM5X orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMC7211BIM5X 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 LMC7211BIM5X?
For technical support, including LMC7211BIM5X datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMC7211BIM5X requirements.
6.How does Aetrix verify that LMC7211BIM5X is sourced from the original manufacturer or authorized distributors?
All LMC7211BIM5X 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 LMC7211BIM5X meets industry standards.
7.What is the process for return or replacement of LMC7211BIM5X?
All LMC7211BIM5X units undergo pre-shipment inspection (PSI). If there is an issue with LMC7211BIM5X, 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 LMC7211BIM5X part is unused and in its original packaging.
Return procedure for LMC7211BIM5X:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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