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Texas Instruments TLC27L2AIDRG4
- Part No.:
- TLC27L2AIDRG4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLC27L2AIDRG4.pdf
- Description:
- IC CMOS 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,984
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Product details
Overview
TLC27L2AIDRG4 from Texas Instruments is a precision dual CMOS operational amplifier optimized for low-power, single-supply sensor signal conditioning. It delivers 5 mV max input offset voltage at 25°C, ultra-low 34 µA typical supply current (VDD = 5 V), and rail-to-rail output swing down to the negative rail-enabling accurate amplification in battery-powered field transmitters and smoke detectors.
For engineers reviewing the TLC27L2AIDRG4 datasheet, TLC27L2AIDRG4 pinout, TLC27L2AIDRG4 application, or TLC27L2AIDRG4 equivalent, key selection criteria include its −0.2 V to 3.5 V common-mode input range at 5 V supply, 85 kHz unity-gain bandwidth, 68 nV/√Hz input noise, and SOIC-8 packaging with industrial temperature rating (−40°C to +85°C).
Technical Context
The TLC27L2AIDRG4 uses Texas Instruments' LinCMOS™ silicon-gate process to achieve high input impedance (10¹² Ω), sub-60 pA input bias current, and latch-up immunity-without bipolar power penalties. Its architecture supports single-supply operation with inputs extending below ground and outputs swinging to the negative rail.
It features internal ESD protection rated to 2000 V (MIL-STD-883C, Method 3015.2) and exhibits stable phase margin (≥34°) across temperature and capacitive loads up to 20 pF, enabling robust use in unregulated or remote analog front-ends without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 5 mV max at 25°C - enables high-accuracy DC-coupled amplification of low-level sensor signals without trimming |
| Supply Current (2 ch) | 34 µA typical at VDD = 5 V - supports >10-year battery life in wireless sensor nodes |
| Common-Mode Input Range | −0.2 V to 3.5 V at VDD = 5 V - allows direct interfacing with grounded sensors and transducers |
| Output Voltage Swing | Down to negative rail - preserves dynamic range in single-supply configurations |
| Unity-Gain Bandwidth | 85 kHz at VDD = 5 V - sufficient for slow-varying industrial process signals (e.g., pressure, temperature) |
| Input Noise Density | 68 nV/√Hz at 1 kHz - minimizes added noise in high-gain instrumentation stages |
| Input Impedance | 10¹² Ω typical - prevents loading of high-impedance sources like piezoelectric or pH sensors |
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 |
|---|---|---|
| 1IN+ | Noninverting input, channel 1 | High-impedance node for differential sensing or reference-driven gain stages |
| 1IN– | Inverting input, channel 1 | Feedback node for closed-loop configuration; accepts resistor networks for programmable gain |
| 1OUT | Output, channel 1 | Rail-to-rail capable output driving 1 MΩ load or low-capacitance ADC inputs |
| GND | Ground / negative supply | Reference return path; supports single-supply operation with inputs referenced below GND |
| 2IN+ | Noninverting input, channel 2 | Independent second channel for dual-sensor systems or signal buffering |
| 2IN– | Inverting input, channel 2 | Configurable for independent gain stage or comparator hysteresis network |
| 2OUT | Output, channel 2 | Second buffered output; usable for active filtering or level-shifting |
| VDD | Positive supply | Accepts 4 V to 16 V - accommodates wide-range industrial supplies and battery decay |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power consumption | 34 µA supply current per dual amplifier enables multi-year operation on coin-cell batteries |
| Input offset voltage drift | 0.1 µV/month - ensures long-term calibration stability in field-deployed equipment |
| ESD protection | 2000 V HBM - reduces handling sensitivity and improves manufacturing yield |
| Latch-up immunity | Designed-in immunity eliminates risk of destructive latch-up during overvoltage transients |
| Wide supply range | 4 V to 16 V operation - supports both 5 V logic rails and 12 V industrial buses |
Applications
| Pressure Transmitter | Smoke Detector |
|---|---|
Use Scenario: Amplifies millivolt-level output from piezoresistive pressure sensors in HVAC or process control systems. IC Role / Device Role / Timing Role: Precision DC-coupled instrumentation amplifier front-end with rail-to-rail output. Use Value: 5 mV max VIO and −0.2 V input range enable accurate zero-pressure offset compensation without external level-shifting. | Use Scenario: Conditions ionization chamber current in residential and commercial smoke alarms. IC Role / Device Role / Timing Role: Low-noise transimpedance amplifier converting pA-level currents to measurable voltage. Use Value: 68 nV/√Hz noise density and 10¹² Ω input impedance preserve signal integrity from ultra-high-impedance chambers. |
| Temperature Transmitter | Flow Transmitter |
Use Scenario: Linearizes and amplifies RTD or thermistor bridge outputs in industrial temperature monitoring. IC Role / Device Role / Timing Role: Dual-channel signal conditioner: one amp for bridge excitation regulation, one for differential sensing. Use Value: Dual configuration in single SOIC-8 saves board space and matching drift between channels improves system accuracy. | Use Scenario: Interfaces with magnetic flow meter electrodes to amplify microvolt-level induced EMF signals. IC Role / Device Role / Timing Role: High-CMRR, low-bias-current amplifier rejecting common-mode interference from pump motors. Use Value: 87 dB min CMRR and <60 pA input bias current minimize errors from electrode polarization and cable leakage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2462IDR | Lower VIO (1.6 mV max), higher supply current (550 µA), rail-to-rail I/O, 6 MHz GBW | Better DC accuracy but 16× higher power - unsuitable for battery operation | Select when speed and precision outweigh power constraints |
| OPA2333AIDR | Zero-drift architecture, 12 µV max VIO, 17 µA supply current, 350 kHz GBW | Superior long-term drift performance but limited 5.5 V max supply - incompatible with 12 V systems | Select for ultra-stable DC measurements where supply voltage ≤5.5 V |
Compared with TLV2462IDR and OPA2333AIDR, the TLC27L2AIDRG4 uniquely balances micropower operation (34 µA), industrial temperature range, and 4–16 V supply flexibility-making it optimal for cost-sensitive, long-life, wide-input-voltage sensor interfaces.
Availability
TLC27L2AIDRG4 is available at Aetrix Electronics and suitable for pressure transmitters, smoke detectors, temperature transmitters, and flow transmitters requiring stable component supply across extended product lifecycles.
Supply support for TLC27L2AIDRG4 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 for industrial, automotive, and personal electronics markets.
The TLC27Lx family was designed specifically for low-power, precision analog signal conditioning in battery-operated and industrial sensor interface applications-leveraging LinCMOS™ technology for stability, input impedance, and ESD robustness.
FAQ
What is the maximum operating temperature range for the TLC27L2AIDRG4?
The TLC27L2AIDRG4 is rated for operation from −40°C to +85°C (I-suffix grade). This industrial temperature range ensures reliable performance in harsh environments such as factory floors, outdoor instrumentation, and building automation systems where ambient temperatures exceed commercial limits. The device maintains specified electrical characteristics-including 5 mV max input offset voltage and 34 µA supply current-across this full range.
Does the TLC27L2AIDRG4 support true single-supply operation with inputs below ground?
Yes, the TLC27L2AIDRG4 supports true single-supply operation with its common-mode input voltage range extending to −0.2 V at VDD = 5 V. This allows direct connection of grounded sensors (e.g., thermocouples, strain gauges) without level-shifting circuitry. The input stage is designed using LinCMOS™ technology to maintain high impedance and low bias current even when inputs are slightly below the negative rail (GND), simplifying front-end design in battery-powered systems.
What is the typical supply current for the TLC27L2AIDRG4 at 5 V?
The typical supply current for the TLC27L2AIDRG4 is 34 µA at VDD = 5 V and TA = 25°C, with a maximum of 42 µA over the full −40°C to +85°C range. This ultra-low quiescent current enables multi-year operation on standard CR2032 coin cells in wireless sensor nodes and portable safety devices-critical for applications where battery replacement is impractical or costly.
Can the TLC27L2AIDRG4 drive capacitive loads without oscillation?
The TLC27L2AIDRG4 maintains ≥34° phase margin with up to 20 pF capacitive load at unity gain, as verified in TI's characterization data. This stability allows direct connection to ADC input capacitors, long PCB traces, or filter networks without external isolation resistors. However, for loads exceeding 20 pF, a series resistor (≥100 Ω) between the output and capacitance is recommended to preserve phase margin and prevent peaking or ringing.
Is the TLC27L2AIDRG4 pin-compatible with other TLC27Lx variants?
Yes, the TLC27L2AIDRG4 shares identical SOIC-8 (D) pinout and footprint with all TLC27Lx dual op amps-including TLC27L2IDR, TLC27L2BIDR, and TLC27L7IDR. This allows drop-in substitution within the same temperature grade (I-suffix) for different offset voltage requirements (e.g., upgrading from 10 mV to 5 mV or 2 mV) without PCB redesign, provided supply and signal constraints remain compatible.
TLC27L2AIDRG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LinCMOS™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- CMOS
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 0.03V/µs
- Gain Bandwidth Product:
- 110 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.6 pA
- Voltage - Input Offset:
- 900 µV
- Current - Supply:
- 20µA (x2 Channels)
- 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
TLC27L2AIDRG4 FAQ
1.How can I place an order for TLC27L2AIDRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC27L2AIDRG4 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 TLC27L2AIDRG4 reliable?
The price and inventory of TLC27L2AIDRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC27L2AIDRG4 is usually 5 days.
3.What payment methods are accepted for TLC27L2AIDRG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC27L2AIDRG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC27L2AIDRG4?
TLC27L2AIDRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC27L2AIDRG4 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 TLC27L2AIDRG4?
For technical support, including TLC27L2AIDRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC27L2AIDRG4 requirements.
6.How does Aetrix verify that TLC27L2AIDRG4 is sourced from the original manufacturer or authorized distributors?
All TLC27L2AIDRG4 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 TLC27L2AIDRG4 meets industry standards.
7.What is the process for return or replacement of TLC27L2AIDRG4?
All TLC27L2AIDRG4 units undergo pre-shipment inspection (PSI). If there is an issue with TLC27L2AIDRG4, 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 TLC27L2AIDRG4 part is unused and in its original packaging.
Return procedure for TLC27L2AIDRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLC27L2AIDRG4 Tags
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