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Texas Instruments TLC27L2CPSR
- Part No.:
- TLC27L2CPSR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
TLC27L2CPSR.pdf
- Description:
- IC CMOS 2 CIRCUIT 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:2,000
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Product details
Overview
TLC27L2CPSR from Texas Instruments is a precision dual CMOS operational amplifier optimized for ultra-low-power, single-supply operation in sensor signal conditioning and industrial monitoring systems. It delivers 10 mV max input offset voltage (25°C), 95 μW typical power consumption at 5 V, and rail-to-rail output swing with common-mode input extending below ground - enabling direct interfacing with transducers in battery-powered field transmitters.
For engineers reviewing the TLC27L2CPSR datasheet, TLC27L2CPSR pinout, TLC27L2CPSR application, or TLC27L2CPSR equivalent, key selection criteria include its C-suffix 0°C to 70°C temperature grade, PS (8-pin SOP) package, LinCMOS™ input stage enabling 10¹² Ω input impedance and sub-100 pA bias current, and suitability for low-voltage analog front-ends where supply headroom and long-term offset stability are critical.
Technical Context
The TLC27L2CPSR uses Texas Instruments' silicon-gate LinCMOS™ process to achieve high DC precision without bipolar power penalties: input offset voltage drift is typically 0.1 μV/month, and input bias current remains ≤60 pA (25°C). Its architecture supports single-supply operation from 3 V to 16 V with common-mode input range extending 0.2 V below GND - a feature enabled by the C-suffix variant's input stage design.
It provides two independent amplifiers in one die, each with unity-gain bandwidth of 85 kHz (VDD = 5 V), slew rate of 0.03 V/μs, and phase margin of 34° - ensuring stable operation in closed-loop configurations like active filters and sensor buffers without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage (max) | 10 mV at 25°C - defines worst-case DC error in precision gain stages and sensor offset correction circuits |
| Supply Current (typ) | 34 μA per amplifier at 5 V - enables multi-year battery life in remote 4–20 mA loop-powered transmitters |
| Input Impedance | 10¹² Ω typical - prevents loading of high-impedance sources such as piezoelectric sensors and pH electrodes |
| Common-Mode Input Range | −0.2 V to 3.5 V at 5 V supply - allows direct sensing of signals referenced below ground, e.g., thermocouple cold-junction compensation |
| Output Voltage Swing | Within 50 mV of GND and 0.9 V of VDD - supports full utilization of ADC input range in single-supply data acquisition |
| Unity-Gain Bandwidth | 85 kHz at 5 V - sufficient for anti-aliasing filtering and low-frequency sensor amplification up to ~10 kHz |
| ESD Rating | 2000 V per MIL-STD-883C Method 3015.2 - ensures robustness during PCB handling and field deployment |
Pinout & Package
Package: PS (8-pin Small Outline Package, SOP), 150 mil width, surface-mount, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1IN+ | Noninverting input, Channel 1 | High-impedance node for reference or sensor signal connection; accepts voltages down to −0.2 V |
| 1IN− | Inverting input, Channel 1 | Feedback node for closed-loop configuration; matched to 1IN+ for common-mode rejection |
| 1OUT | Output, Channel 1 | Capable of sourcing/sinking ±30 mA; swings within 50 mV of GND and 0.9 V of VDD |
| GND | Ground / Negative supply | Reference for both power and signal; common return for dual-channel operation |
| 2IN+ | Noninverting input, Channel 2 | Independent high-Z input for second sensor or signal path; identical specs to 1IN+ |
| 2IN− | Inverting input, Channel 2 | Independent feedback node; no crosstalk with Channel 1 per datasheet characterization |
| VDD | Positive supply | Accepts 3–16 V; supplies both amplifiers; internal ESD protection tied to this rail |
| NC | No connect | Pin 8 is unused in PS package - no internal connection; must remain unconnected |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power consumption | 95 μW total (two amps) at 5 V - extends battery life in portable gas detectors and wireless sensor nodes |
| Latch-up immunity | Designed-in per JEDEC JESD78 - prevents destructive latch-up under overvoltage or ESD stress |
| Offset voltage stability | 0.1 μV/month drift (including first 30 days) - reduces calibration frequency in field-deployed instrumentation |
| Rail-to-rail output | Output reaches within 50 mV of GND and 0.9 V of VDD - maximizes dynamic range in 3.3 V or 5 V systems |
| Single-supply operation | Functional from 3 V to 16 V with inputs extending below GND - eliminates need for split supplies in industrial analog front-ends |
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: Dual-channel precision amplifier for sensor signal conditioning and reference buffering. Use Value: Sub-100 pA input bias avoids leakage-induced errors in high-impedance smoke chamber circuits; 10 mV VIO ensures accurate threshold detection across temperature. |
Use Scenario: Conditioning bridge output from MEMS or strain-gauge pressure sensors in HVAC and process control systems. IC Role / Device Role / Timing Role: Instrumentation-grade dual op-amp for bridge excitation, differential amplification, and output buffering. Use Value: Common-mode input range extending below GND enables true ground-referenced bridge measurement; ultra-low IDD supports 4–20 mA loop compliance. |
| Temperature Transmitter | Motion Detector |
Use Scenario: Linearizing and amplifying RTD or thermocouple outputs in industrial temperature monitoring modules. IC Role / Device Role / Timing Role: Precision dual op-amp for cold-junction compensation, gain setting, and output drive. Use Value: 10¹² Ω input impedance prevents RTD self-heating errors; 0.1 μV/month VIO drift maintains calibration integrity over multi-year deployments. |
Use Scenario: Signal amplification and filtering of PIR sensor outputs in security and occupancy lighting systems. IC Role / Device Role / Timing Role: Low-noise, low-power dual amplifier for AC-coupled sensor signal chain and comparator interface. Use Value: 68 nV/√Hz input noise preserves weak PIR signals; 95 μW total power enables coin-cell operation in wireless motion sensors. |
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 (2 mV max), higher supply current (550 μA), rail-to-rail I/O, SOIC-8 | Better DC accuracy but 16× higher power - unsuitable for battery operation; requires layout changes for thermal management | Select when precision outweighs power; avoid in energy-constrained designs using TLC27L2CPSR. |
| LMV358IDGKR | Higher VIO (7 mV max), 80 μA supply current, rail-to-rail output only, same SOP-8 footprint | Lower cost, wider temp range (−40°C to +125°C), but lacks below-rail input - limits sensor interface flexibility | Use where input common-mode range >0 V is acceptable and extended temperature operation is required. |
Compared with TLV2462IDR and LMV358IDGKR, the TLC27L2CPSR uniquely balances ultra-low power (34 μA/amplifier), sub-100 pA bias current, and true below-ground input capability - making it irreplaceable in legacy and new low-power industrial transmitter designs requiring long-term DC stability.
Availability
TLC27L2CPSR is available at Aetrix Electronics and suitable for smoke detector manufacturing, pressure transmitter calibration, and temperature sensor module assembly requiring stable component supply across extended production lifecycles.
Supply support for TLC27L2CPSR 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 specializing in analog and embedded processing technologies, with leadership in precision analog ICs for industrial, automotive, and personal electronics markets.
The TLC27Lx family was designed specifically for low-power, high-input-impedance sensor signal conditioning in industrial field instruments - leveraging LinCMOS™ to deliver bipolar-like precision without bipolar power consumption.
FAQ
What is the maximum operating temperature range for the TLC27L2CPSR?
The TLC27L2CPSR is a C-suffix device rated for operation from 0°C to 70°C ambient temperature. This range is validated per TI's SLOS052E datasheet Section 5.3, and exceeds the specification limits for industrial control panels and indoor environmental monitoring equipment where ambient extremes are controlled.
Does the TLC27L2CPSR support true single-supply operation with inputs below ground?
Yes - the TLC27L2CPSR's common-mode input voltage range extends to −0.2 V at 5 V supply, confirmed in Section 5.3 of the datasheet. This allows direct connection of transducer outputs referenced slightly below GND, such as thermocouple cold-junction circuits, without level-shifting components.
What is the typical supply current for the TLC27L2CPSR at 5 V?
The TLC27L2CPSR draws 34 μA per amplifier (68 μA total) at 25°C and 5 V supply, per Section 5.4 Electrical Characteristics. This ultra-low quiescent current enables multi-year operation from CR2032 batteries in wireless sensor nodes and portable diagnostic tools.
Is the PS package of the TLC27L2CPSR lead-free and RoHS-compliant?
Yes - the PS (SOP-8) package used for TLC27L2CPSR is lead-free and RoHS-compliant, as documented in TI's official packaging information (Section 10, Mechanical, Packaging, and Orderable Information). It meets JEDEC J-STD-020 moisture sensitivity level 3 requirements.
Can the TLC27L2CPSR drive a 1 MΩ load while maintaining specified AC performance?
Yes - all AC specifications including unity-gain bandwidth (85 kHz), slew rate (0.03 V/μs), and phase margin (34°) are tested with RL = 1 MΩ and CL = 20 pF per Sections 5.5 and 5.9. This confirms stable operation into high-impedance ADC input networks and passive filter stages.
TLC27L2CPSR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LinCMOS™
- Package/Case:
- 8-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- 1.1 mV
- Current - Supply:
- 20µA (x2 Channels)
- Current - Output / Channel:
- 30 mA
- Voltage - Supply Span (Min):
- 3 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO
TLC27L2CPSR FAQ
1.How can I place an order for TLC27L2CPSR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC27L2CPSR 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 TLC27L2CPSR reliable?
The price and inventory of TLC27L2CPSR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC27L2CPSR is usually 5 days.
3.What payment methods are accepted for TLC27L2CPSR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC27L2CPSR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC27L2CPSR?
TLC27L2CPSR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC27L2CPSR 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 TLC27L2CPSR?
For technical support, including TLC27L2CPSR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC27L2CPSR requirements.
6.How does Aetrix verify that TLC27L2CPSR is sourced from the original manufacturer or authorized distributors?
All TLC27L2CPSR 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 TLC27L2CPSR meets industry standards.
7.What is the process for return or replacement of TLC27L2CPSR?
All TLC27L2CPSR units undergo pre-shipment inspection (PSI). If there is an issue with TLC27L2CPSR, 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 TLC27L2CPSR part is unused and in its original packaging.
Return procedure for TLC27L2CPSR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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