Texas Instruments TLC27L2BIDRG4
- Part No.:
- TLC27L2BIDRG4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLC27L2BIDRG4.pdf
- Description:
- IC CMOS 2 CIRCUIT 8SOIC
- Quantity:
- Payment:

- Shipping:

Inventory:2,233
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Product details
Overview
TLC27L2BIDRG4 from Texas Instruments is a precision dual CMOS operational amplifier optimized for ultra-low-power, single-supply operation in industrial sensor signal conditioning. It delivers 2 mV max input offset voltage at 25°C, 10¹² Ω input impedance, and 95 μW typical quiescent power at 5 V - enabling battery-powered field transmitters and smoke detectors requiring stable DC accuracy over temperature.
For engineers reviewing the TLC27L2BIDRG4 datasheet, TLC27L2BIDRG4 pinout, TLC27L2BIDRG4 application, or TLC27L2BIDRG4 equivalent, key selection criteria include its −40°C to +85°C industrial temperature rating, rail-to-rail output swing (down to GND), extended common-mode input range (to −0.2 V), and LinCMOS™ process-based offset stability (<0.1 μV/month drift).
Technical Context
The TLC27L2BIDRG4 implements a silicon-gate LinCMOS™ architecture that achieves bipolar-like precision (low VIO, high CMRR) without bipolar power penalties. Its dual-channel design supports independent signal paths with matched gain and offset characteristics across channels.
It operates from 4 V to 16 V over −40°C to +85°C, supports single-supply configurations with inputs extending below GND, and integrates ESD protection rated to 2000 V per MIL-STD-883C Method 3015.2 - critical for field-deployed analog front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage (max) | 2000 µV at 25°C - ensures ≤2 mV DC error in precision sensor amplification without trimming |
| Supply Voltage Range | 4 V to 16 V - enables direct interface with 5 V or 12 V industrial rails and battery-backed systems |
| Quiescent Current (typ) | 34 µA per amplifier at 5 V - supports multi-year operation on coin-cell or Li-SOCl₂ batteries |
| Input Impedance | 10¹² Ω - minimizes loading on high-Z sources like piezoresistive pressure bridges or thermocouples |
| Common-Mode Input Range | −0.2 V to 3.5 V at 5 V supply - allows sensing signals referenced below ground (e.g., shunt current monitoring) |
| Output Voltage Swing | Within 50 mV of GND and 0.9 V below VDD - delivers full dynamic range in single-supply 0–5 V ADC interfaces |
| Unity-Gain Bandwidth | 85 kHz at 5 V - sufficient for DC-coupled sensor conditioning up to ~10 kHz with phase margin >34° |
Pinout & Package
Package: SOIC-8 (D package), 3.9 mm × 4.9 mm body, 1.27 mm pitch, gull-wing leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1IN+ | Noninverting input, Channel 1 | High-impedance node for reference or sensor signal; accepts voltages down to −0.2 V |
| 1IN− | Inverting input, Channel 1 | Feedback node for closed-loop configuration; matched bias current minimizes offset error |
| 1OUT | Output, Channel 1 | Capable of sourcing/sinking ±30 mA; swings to within 50 mV of GND |
| GND | Ground reference | Low-impedance return path; common reference for both amplifiers and external circuitry |
| 2IN+ | Noninverting input, Channel 2 | Independent high-Z input for second sensor channel or reference buffer |
| 2IN− | Inverting input, Channel 2 | Separate feedback node; no crosstalk with Channel 1 due to internal isolation |
| 2OUT | Output, Channel 2 | Full rail-to-rail output capability identical to Channel 1 |
| VDD | Positive supply | Accepts 4–16 V; internal regulation not required; decoupling capacitor recommended at pin |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power consumption | 95 μW total (two amps) at 5 V - extends battery life in remote field transmitters |
| Latch-up immunity | Designed-in robustness against transient-induced latch-up - improves reliability in noisy industrial environments |
| ESD protection | 2000 V HBM rating per MIL-STD-883C - reduces handling sensitivity and field failure risk |
| Offset voltage stability | 0.1 μV/month drift (including first 30 days) - maintains calibration integrity over multi-year deployments |
| Single-supply operation | Inputs extend below GND; outputs swing to GND - eliminates need for dual supplies in portable instrumentation |
Applications
| Smoke and Heat Detector | Pressure Transmitter |
|---|---|
Use Scenario: Analog signal conditioning of ionization chamber or thermistor outputs in residential/commercial fire alarm panels. IC Role / Device Role / Timing Role: Dual op amp provides low-drift amplification and filtering of weak DC sensor signals before ADC conversion. Use Value: 2 mV max VIO and <0.1 μV/month drift ensure consistent alarm thresholds over 10+ year product lifetime without recalibration. | Use Scenario: Signal conditioning stage in 4–20 mA loop-powered pressure sensors for HVAC or process control. IC Role / Device Role / Timing Role: First-stage amplifier for bridge output; second channel buffers reference or drives current-sense resistor. Use Value: 10¹² Ω input impedance prevents loading of high-resistance Wheatstone bridges; rail-to-rail output maximizes dynamic range into DAC or current-source stage. |
| Temperature Transmitter | Motion Detector |
Use Scenario: Linearization and amplification of RTD or thermocouple signals in industrial temperature monitoring nodes. IC Role / Device Role / Timing Role: Precision instrumentation amplifier front-end (with external resistors); second channel used for cold-junction compensation. Use Value: −40°C to +85°C operating range and 1.1 µV/°C tempco ensure accuracy across harsh ambient conditions without thermal derating. | Use Scenario: Signal conditioning for PIR sensor outputs in battery-operated security lighting or occupancy sensors. IC Role / Device Role / Timing Role: Low-noise amplification and AC coupling of microvolt-level pyroelectric signals prior to window comparator detection. Use Value: 68 nV/√Hz input noise and 34 µA quiescent current enable reliable motion detection while sustaining >5 years on AA batteries. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision dual op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLC27L2CDR | 10 mV max VIO at 25°C; C-suffix (0°C to 70°C) rating | Lower precision; limited to commercial-temperature environments | Select when cost sensitivity outweighs offset accuracy and extended temperature range requirements |
| TLC27L2AIDR | 5 mV max VIO at 25°C; same I-suffix temperature grade | Intermediate precision grade; higher offset than TLC27L2BIDRG4 but lower cost | Choose for applications needing better accuracy than TLC27L2CDR but where 2 mV is not mandatory |
Compared with TLC27L2CDR and TLC27L2AIDR, the TLC27L2BIDRG4 provides the tightest input offset specification (2 mV) within the industrial temperature range, making it optimal for high-accuracy, long-lifetime field transmitter designs where calibration stability is critical.
Availability
TLC27L2BIDRG4 is available at Aetrix Electronics and suitable for industrial sensor transmitters, battery-powered safety devices, and precision analog front-ends requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for TLC27L2BIDRG4 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 heritage in precision op amp design and manufacturing.
The TLC27Lx family was developed to deliver LinCMOS™-based precision amplification for low-power, single-supply industrial sensing - bridging the gap between bipolar accuracy and CMOS efficiency.
FAQ
What is the maximum input offset voltage specification for TLC27L2BIDRG4 at 25°C?
The TLC27L2BIDRG4 has a maximum input offset voltage of 2000 µV (2 mV) at 25°C, as specified in the Electrical Characteristics table for the I-suffix grade under VDD = 5 V test conditions. This value is guaranteed across the full −40°C to +85°C operating range, with typical drift of ≤0.1 µV/month including the first 30 days.
Does TLC27L2BIDRG4 support true single-supply operation with inputs below ground?
Yes, the TLC27L2BIDRG4 supports true single-supply operation with its common-mode input voltage range extending to −0.2 V at 5 V supply. This allows direct interfacing with sensors whose outputs go slightly negative relative to GND - such as current-sense shunts or certain bridge configurations - without requiring level-shifting circuitry.
What is the quiescent supply current of TLC27L2BIDRG4 at 5 V and 25°C?
The TLC27L2BIDRG4 draws 34 µA typical supply current per amplifier (68 µA total for both channels) at 5 V and 25°C, resulting in approximately 95 µW total power dissipation. This ultra-low current enables multi-year operation in battery-powered field instruments and wireless sensor nodes.
Is TLC27L2BIDRG4 pin-compatible with other devices in the TLC27Lx family?
Yes, the TLC27L2BIDRG4 uses the standard SOIC-8 (D) package and shares identical pinout with all TLC27Lx dual op amps, including TLC27L2CDR, TLC27L2AIDR, and TLC27L7IDR. This allows drop-in replacement within the same package footprint when upgrading or downgrading offset voltage grade.
What ESD protection level does TLC27L2BIDRG4 provide?
The TLC27L2BIDRG4 incorporates internal ESD-protection circuitry rated to 2000 V per Human Body Model (HBM), tested per MIL-STD-883C, Method 3015.2. This level of protection reduces susceptibility to handling damage and improves field reliability in uncontrolled assembly or deployment environments.
TLC27L2BIDRG4 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:
- Discontinued at Digi-Key
- 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:
- 240 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
TLC27L2BIDRG4 FAQ
1.How can I place an order for TLC27L2BIDRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC27L2BIDRG4 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
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The price and inventory of TLC27L2BIDRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC27L2BIDRG4 is usually 5 days.
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Once your TLC27L2BIDRG4 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 TLC27L2BIDRG4?
For technical support, including TLC27L2BIDRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC27L2BIDRG4 requirements.
6.How does Aetrix verify that TLC27L2BIDRG4 is sourced from the original manufacturer or authorized distributors?
All TLC27L2BIDRG4 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 TLC27L2BIDRG4 meets industry standards.
7.What is the process for return or replacement of TLC27L2BIDRG4?
All TLC27L2BIDRG4 units undergo pre-shipment inspection (PSI). If there is an issue with TLC27L2BIDRG4, 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 TLC27L2BIDRG4 part is unused and in its original packaging.
Return procedure for TLC27L2BIDRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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