Texas Instruments TLC27L7MFKB

Overview

TLC27L7MFKB from Texas Instruments is a precision dual CMOS operational amplifier optimized for ultra-low-power, single-supply operation across the full military temperature range (−55°C to +125°C). It delivers 1 mV max input offset voltage at 25°C, 10¹² Ω typical input impedance, and 95 μW typical supply power at 5 V - enabling high-accuracy sensor signal conditioning in battery-constrained or harsh-environment applications such as pressure transmitters and smoke detectors.

For engineers reviewing the TLC27L7MFKB datasheet, TLC27L7MFKB pinout, TLC27L7MFKB application, or TLC27L7MFKB equivalent, key selection criteria include its M-suffix military-grade temperature rating, LinCMOS™ process stability, rail-to-rail output swing capability, and verified ESD immunity up to 2000 V per MIL-STD-883C Method 3015.2.

Technical Context

The TLC27L7MFKB uses Texas Instruments' silicon-gate LinCMOS™ technology to achieve superior offset-voltage stability over time and temperature versus metal-gate processes. Its dual-channel architecture supports independent signal paths with matched performance, and the common-mode input voltage range extends to the negative rail (0 V at VDD = 5 V), enabling true single-supply operation without level-shifting circuitry.

Designed for low-noise, low-drift analog front-ends, it features internal ESD protection, latch-up immunity, and operates from 4 V to 16 V supply rails. The device exhibits 65–87 dB CMRR and 70–97 dB PSRR across temperature, ensuring robust rejection of supply and common-mode interference in industrial sensing environments.

Key Specifications

Pinout & Package

Package: SOIC-8 (D package), 3.9 mm × 4.9 mm body, 1.27 mm pitch, surface-mount.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual precision op-amp applications.

Compared with TLC27L7CDR, the TLC27L7MFKB provides guaranteed operation down to −55°C and up to +125°C while maintaining identical offset and power specs; versus OPA2333MDRGSR, it trades zero-drift performance for significantly lower supply current and proven LinCMOS™ long-term stability in field-deployed instrumentation.

Availability

TLC27L7MFKB is available at Aetrix Electronics and suitable for pressure transmitter design, smoke detector certification, and temperature transmitter production requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for TLC27L7MFKB 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, embedded processing, and connectivity solutions for industrial, automotive, and consumer markets.

The TLC27Lx family was engineered for precision, ultra-low-power analog signal conditioning in battery-operated and harsh-environment instrumentation - emphasizing offset stability, rail-compatible inputs, and robust process reliability.

FAQ

What is the maximum operating temperature range for the TLC27L7MFKB?

The TLC27L7MFKB is rated for continuous operation from −55°C to +125°C, meeting full military-grade temperature specifications. This range is validated per TI's characterization data in Sections 5.12–5.15 of the SLOS052E datasheet, with electrical parameters guaranteed across the entire span - making TLC27L7MFKB suitable for under-hood automotive, avionics, and downhole industrial applications where thermal extremes are routine.

Does the TLC27L7MFKB support true single-supply operation with input signals referenced to ground?

Yes, the TLC27L7MFKB supports true single-supply operation with its common-mode input voltage range extending to the negative rail (GND). At VDD = 5 V and 25°C, the specified VICR is 0 V to 3.5 V, allowing direct connection of ground-referenced sensor outputs - such as bridge circuits or thermistors - without external level-shifting components. This capability is confirmed in Section 5.3 (Recommended Operating Conditions) of the TLC27L7MFKB datasheet.

What is the typical supply current draw of the TLC27L7MFKB at 5 V and room temperature?

The TLC27L7MFKB draws 34 µA typical supply current per amplifier (68 µA total for both channels) at VDD = 5 V and TA = 25°C, as specified in Section 5.12 (Electrical Characteristics, VDD = 5 V, M Suffix) of the datasheet. This ultra-low quiescent current enables multi-year operation from primary lithium batteries in remote field transmitters and wireless sensor nodes - a core design objective of the LinCMOS™ TLC27Lx series.

Is the TLC27L7MFKB pin-compatible with other devices in the TLC27Lx family?

Yes, the TLC27L7MFKB uses the standard SOIC-8 (D) package with identical pinout to all TLC27Lx dual op-amps, including TLC27L2M, TLC27L2AM, and TLC27L2BM. Pin functions - 1IN+, 1IN−, 1OUT, GND, 2IN+, 2IN−, VDD, and NC - are fully consistent across the family per Figure 4-1 and Table 4-1 in the SLOS052E datasheet, enabling drop-in replacement within the same package footprint when performance grades align.

What ESD protection level does the TLC27L7MFKB provide, and how is it verified?

The TLC27L7MFKB incorporates internal ESD-protection circuitry rated to 2000 V human-body model (HBM), verified per MIL-STD-883C, Method 3015.2. This specification is explicitly stated in Section 3 (Description) and confirmed in the "Features" list of the SLOS052E datasheet. While functional integrity is maintained up to this level, TI recommends standard ESD handling precautions - including grounded workstations and ionized air - to prevent parametric degradation during assembly and test.