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Texas Instruments TLC27L1AID
- Part No.:
- TLC27L1AID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLC27L1AID.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:721
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Product details
Overview
TLC27L1AID from Texas Instruments is a low-power, precision operational amplifier in an 8-pin SOIC package, featuring 5 mV max input offset voltage at 25°C, 68 nV/√Hz input voltage noise at 1 kHz, and rail-to-rail output swing down to the negative rail. It operates from 4 V to 16 V over −40°C to +85°C and supports single-supply sensor signal conditioning in battery-powered field transmitters.
For engineers reviewing the TLC27L1AID datasheet, TLC27L1AID pinout, TLC27L1AID application, or TLC27L1AID equivalent, key selection criteria include its LinCMOS input stage enabling ultra-low bias current (<60 pA typ), wide common-mode input range extending below ground, and guaranteed performance across industrial temperature extremes without external trimming.
Technical Context
The TLC27L1AID uses Texas Instruments' silicon-gate LinCMOS process, delivering high input impedance (10¹² Ω typ) and latch-up immunity while avoiding bipolar power penalties. Its input stage supports single-supply operation with common-mode voltage down to −0.2 V and output swing to the negative rail.
It incorporates internal ESD protection rated to 2000 V (MIL-STD-883C, Method 3015.2) and features offset adjustment pins (OFFSET N1/N2) - legacy-bias-select on older silicon, NC on new silicon - requiring no external components for standard operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VIO max @ 25°C | 5 mV - enables accurate DC-coupled amplification of low-level sensor signals without calibration |
| Supply voltage range | 4 V to 16 V - supports industrial 5 V, 12 V, and battery-backed systems across full −40°C to +85°C range |
| Input bias current | 0.6–60 pA typ - preserves signal integrity in high-impedance pH, thermocouple, or piezoelectric sensor interfaces |
| Input voltage noise | 68 nV/√Hz @ 1 kHz - suitable for precision analog front-ends where thermal noise dominates |
| Common-mode input range | −0.2 V to VDD − 1.5 V - allows direct interfacing to grounded sensors in single-supply configurations |
| Output voltage swing | Includes negative rail - simplifies level-shifting and eliminates need for dual supplies in portable instrumentation |
| Supply current | 10–23 µA typ - extends battery life in remote wireless sensor nodes and loop-powered transmitters |
Pinout & Package
Package: SOIC-8 (D package), 3.9 mm × 4.9 mm, surface-mount, tape-and-reel compatible.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OFFSET N1) | Input | Legacy bias-select pin; NC (not connected) on new silicon - leave unconnected in new designs |
| 2 (IN−) | Input | Inverting input - accepts feedback network for stable closed-loop gain configuration |
| 3 (IN+) | Input | Noninverting input - connects to reference or sensor signal in buffer/amp configurations |
| 4 (GND) | Power | Ground reference - serves as return path for supply and signal currents; must be low-impedance |
| 5 (OFFSET N2) | Input | Legacy bias-select pin; NC (not connected) on new silicon - leave unconnected in new designs |
| 6 (OUT) | Output | Amplified output - drives loads up to ±30 mA; rail-to-rail swing includes negative rail |
| 7, 8 (VDD) | Power | Positive supply - dual VDD pins reduce supply path inductance and improve PSRR |
Key Features
| Feature | Design Value |
|---|---|
| LinCMOS input stage | 10¹² Ω input impedance and sub-pA bias current enable direct connection to high-Z sensors without loading |
| Single-supply optimized design | Common-mode input extends below GND and output swings to negative rail - eliminates need for split supplies |
| Low offset drift | 0.1 μV/month typical - ensures long-term calibration stability in field-deployed instrumentation |
| ESD protection | 2000 V HBM rating - reduces handling sensitivity and improves robustness in manufacturing and field service |
| Industrial temperature grade | Specified from −40°C to +85°C - qualified for use in outdoor transmitters, HVAC controls, and factory automation |
Applications
| Smoke and Heat Detector | Pressure Transmitter |
|---|---|
Use Scenario: Amplifying low-level ionization chamber or thermistor signals in residential/commercial fire alarm panels. IC Role / Device Role / Timing Role: Precision DC-coupled amplifier conditioning microvolt-level sensor outputs into ADC-compatible ranges. Use Value: Ultra-low input bias current prevents signal attenuation across high-resistance smoke chamber elements. | Use Scenario: Signal conditioning stage in 4–20 mA loop-powered pressure transmitters for industrial process control. IC Role / Device Role / Timing Role: Low-power, rail-to-rail op-amp driving current loop amplifier and compensating for sensor offset/temperature drift. Use Value: 5 mV max VIO and 0.1 μV/month drift minimize recalibration frequency in sealed, inaccessible installations. |
| Temperature Transmitter | Motion Detector |
Use Scenario: Linearizing and amplifying RTD or thermocouple outputs in HVAC and building management systems. IC Role / Device Role / Timing Role: High-input-impedance buffer and gain stage preceding sigma-delta ADC, operating from 3.3 V or 5 V supply. Use Value: Input voltage noise of 68 nV/√Hz avoids degrading resolution of 16-bit+ temperature measurements. | Use Scenario: Amplifying weak pyroelectric (PIR) sensor outputs in battery-operated security lighting and occupancy sensors. IC Role / Device Role / Timing Role: Low-quiescent-current amplifier enabling multi-year operation on coin-cell batteries. Use Value: 10–23 µA supply current extends shelf life and runtime while maintaining sufficient bandwidth for motion detection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-power precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLC27L1CD | Same LinCMOS architecture but C-suffix (0°C to 70°C); 10 mV max VIO vs. 5 mV for TLC27L1AID | Restricted to commercial-temperature environments; not rated for industrial ambient extremes | Select when cost sensitivity outweighs extended temperature requirement and higher offset is acceptable |
| TLV2461IDR | Rail-to-rail I/O, 600 µA supply current, 0.15 mV max VIO - significantly higher power and lower offset | Not suitable for ultra-low-power battery applications; better for higher-speed, higher-accuracy systems | Choose only if system requires sub-mV offset and can accommodate >60× higher quiescent current |
Compared with TLC27L1CD, the TLC27L1AID delivers tighter offset and extended temperature qualification; versus TLV2461IDR, it trades offset precision and speed for 60× lower supply current - making it optimal for energy-constrained industrial sensing.
Availability
TLC27L1AID is available at Aetrix Electronics and suitable for pressure transmitter design, temperature transmitter calibration, and smoke detector signal conditioning requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for TLC27L1AID 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 company headquartered in Dallas, Texas, specializing in analog and embedded processing technologies with broad industrial, automotive, and consumer applications.
The TLC27L1x family was designed specifically for low-power, high-impedance sensor signal conditioning in battery-operated and loop-powered field instrumentation - emphasizing offset stability, rail-to-rail operation, and industrial temperature reliability.
FAQ
What is the maximum input offset voltage specification for TLC27L1AID at 25°C?
The TLC27L1AID has a maximum input offset voltage of 5 mV at 25°C, as specified in the Electrical Characteristics table for the I-suffix grade under VDD = 5 V and VDD = 10 V conditions. This value is guaranteed across the full −40°C to +85°C operating range, with a worst-case of 6.5 mV at temperature extremes.
Does TLC27L1AID support true single-supply operation with inputs referenced to ground?
Yes, the TLC27L1AID supports true single-supply operation: its common-mode input voltage range extends to −0.2 V (below ground) at VDD = 5 V, and its output swings fully to the negative rail. This allows direct interfacing with grounded sensors without level-shifting circuitry - a core design feature of the LinCMOS architecture.
What is the supply current consumption of TLC27L1AID under typical operating conditions?
The TLC27L1AID draws 10–23 µA of supply current (IDD) depending on supply voltage and temperature. At VDD = 5 V and TA = 25°C, typical IDD is 10 µA; at VDD = 10 V and TA = 25°C, it is 14 µA. This ultra-low quiescent current makes TLC27L1AID ideal for battery-powered field transmitters and remote sensors.
Are the OFFSET N1 and OFFSET N2 pins functional in modern TLC27L1AID units?
No - in modern silicon revisions of the TLC27L1AID, both OFFSET N1 (pin 1) and OFFSET N2 (pin 5) are NC (not internally connected). These pins were used for bias-select trimming on legacy silicon; TI documentation explicitly states they are non-functional in current production, and must be left unconnected in new designs.
What package type is used for the TLC27L1AID orderable part?
The TLC27L1AID is supplied in an 8-pin SOIC package (Texas Instruments package code D), measuring 3.9 mm × 4.9 mm with standard 1.27 mm pitch. It is RoHS-compliant, halogen-free, and available in tape-and-reel format for automated SMT assembly - distinct from the PDIP (P package) variants like TLC27L1AP.
TLC27L1AID Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LinCMOS™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 0.05V/µs
- Gain Bandwidth Product:
- 85 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.7 pA
- Voltage - Input Offset:
- 900 µV
- Current - Supply:
- 14µA
- Current - Output / Channel:
- 30 mA
- Voltage - Supply Span (Min):
- 4 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLC27L1AID FAQ
1.How can I place an order for TLC27L1AID through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC27L1AID 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 TLC27L1AID reliable?
The price and inventory of TLC27L1AID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC27L1AID is usually 5 days.
3.What payment methods are accepted for TLC27L1AID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC27L1AID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC27L1AID?
TLC27L1AID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC27L1AID 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 TLC27L1AID?
For technical support, including TLC27L1AID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC27L1AID requirements.
6.How does Aetrix verify that TLC27L1AID is sourced from the original manufacturer or authorized distributors?
All TLC27L1AID 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 TLC27L1AID meets industry standards.
7.What is the process for return or replacement of TLC27L1AID?
All TLC27L1AID units undergo pre-shipment inspection (PSI). If there is an issue with TLC27L1AID, 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 TLC27L1AID part is unused and in its original packaging.
Return procedure for TLC27L1AID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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