My Inquiry
My Account
Texas Instruments TLC27L1IP
- Part No.:
- TLC27L1IP
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
TLC27L1IP.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:1,402
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
TLC27L1IP from Texas Instruments is a low-power, single-supply operational amplifier using LinCMOS technology, featuring 10 mV max input offset voltage (25°C), 17 µA typical supply current, 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 is used in battery-powered field transmitters for pressure, flow, temperature, and level sensing.
For engineers reviewing the TLC27L1IP datasheet, TLC27L1IP pinout, TLC27L1IP application, or TLC27L1IP equivalent, key selection criteria include its ultra-low quiescent current, input common-mode range extending below ground, high 10¹² Ω input impedance, and compatibility with single-supply sensor signal conditioning in harsh industrial environments.
Technical Context
The TLC27L1IP employs silicon-gate LinCMOS process technology to achieve exceptional input offset voltage stability (0.1 µV/month drift) and latch-up immunity, distinguishing it from bipolar op-amps. Its input stage supports common-mode voltages down to −0.2 V (at VDD = 5 V), enabling true single-supply operation without level-shifting circuitry.
It delivers 85 kHz unity-gain bandwidth and 0.03 V/µs slew rate at VDD = 5 V, with 68 nV/√Hz input-referred noise at 1 kHz - optimized for precision DC-coupled amplification rather than high-speed AC applications. Internal ESD protection meets MIL-STD-883C, Method 3015.2 (2000 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4 V to 16 V - enables direct use with 5 V or 12 V industrial rails and extended battery life in 4–16 V systems |
| Input Offset Voltage (max) | 10 mV at 25°C - sets baseline DC error budget for sensor front-end gain stages |
| Supply Current (typ) | 17 µA at 25°C - allows continuous operation for years on coin-cell batteries in remote transmitters |
| Input Impedance | 10¹² Ω typical - minimizes loading of high-impedance sensors (e.g., piezoresistive bridges, thermistors) |
| Common-Mode Input Range | Extends to −0.2 V below ground - supports single-supply interfacing with grounded-sensor configurations |
| Output Swing (low) | ≤ 50 mV above GND (IOL = 0 mA) - ensures full dynamic range utilization near negative rail |
| Input Noise Density | 68 nV/√Hz at 1 kHz - suitable for low-frequency sensor signals where thermal noise dominates |
Pinout & Package
Package: PDIP-8 (Plastic Dual In-line Package, 0.300-inch width). Pin-compatible with industry-standard 8-pin DIP footprints and socket-mounting.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OFFSET N1 (Pin 1) | Offset adjustment input (legacy silicon); NC on new silicon | Not connected in modern production - must be left floating or tied to GND per TI design guidance |
| IN− (Pin 2) | Inverting input | Differential input node; high-impedance path for feedback or signal inversion |
| IN+ (Pin 3) | Noninverting input | Differential input node; accepts sensor reference or buffered signal |
| GND (Pin 4) | Ground reference | Negative power rail and signal return - critical for single-supply biasing stability |
| OFFSET N2 (Pin 5) | Offset adjustment input (legacy silicon); NC on new silicon | Not connected in modern production - must be left floating or tied to GND |
| OUT (Pin 6) | Amplifier output | Capable of sourcing/sinking ±30 mA; swings within 50 mV of GND and 1.1 V of VDD |
| VDD (Pin 7) | Positive power supply | Primary supply connection; decoupling capacitor required within 1 cm for stability |
| VDD (Pin 8) | Positive power supply (redundant) | Second VDD pin for improved power distribution and reduced package inductance |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low supply current | 17 µA typical enables multi-year operation from CR2032 batteries in wireless sensor nodes |
| Rail-to-rail output (negative side) | Output reaches ≤50 mV above GND - preserves full signal headroom in single-supply 0–5 V systems |
| Input common-mode range below GND | Accepts inputs down to −0.2 V - eliminates need for external negative bias in grounded-sensor interfaces |
| LinCMOS process stability | 0.1 µV/month offset drift ensures long-term calibration integrity in field-deployed instrumentation |
| ESD protection | 2000 V HBM rating per MIL-STD-883C - reduces handling sensitivity and board-level ESD hardening needs |
Applications
| Pressure Transmitter Interface | Flow Transmitter Signal Conditioning |
|---|---|
Use Scenario: Amplifying mV-level bridge outputs from piezoresistive pressure sensors in HVAC and process control systems. IC Role / Device Role / Timing Role: Precision DC-coupled instrumentation amplifier front-end with gain and offset adjustment. Use Value: 10¹² Ω input impedance prevents bridge imbalance errors; 10 mV VIO allows factory calibration without trimming. | Use Scenario: Conditioning analog outputs from electromagnetic flow meters operating in remote, battery-limited locations. IC Role / Device Role / Timing Role: Low-power signal buffer and level shifter before ADC sampling. Use Value: 17 µA IDD extends battery life to >5 years; single-supply operation avoids dual-rail power design complexity. |
| Temperature Transmitter | Level Transmitter Analog Front-End |
Use Scenario: Linearizing and amplifying RTD or thermistor signals in industrial temperature monitoring nodes. IC Role / Device Role / Timing Role: Constant-current excitation driver and differential amplifier in 4–20 mA loop transmitters. Use Value: −40°C to +85°C rating ensures reliability in outdoor enclosures; low noise preserves resolution at sub-°C levels. | Use Scenario: Converting hydrostatic or capacitive level sensor outputs into standardized analog signals for PLC input modules. IC Role / Device Role / Timing Role: High-impedance sensor interface and output driver for 0–10 V or 4–20 mA output stages. Use Value: Output swing to GND enables full 0–10 V range; 10¹² Ω input avoids loading of high-Z capacitive sensors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-power operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLC27L1CP | Same electrical specs but rated for 0°C to +70°C only; PDIP-8 package identical | Restricted to commercial-temperature environments (e.g., indoor control panels) | Select when ambient temperature stays within 0–70°C and cost is prioritized over extended temp range |
| TLV2461IP | Lower 25 µV max VIO, 22 µA IDD, rail-to-rail I/O, but requires ≥2.7 V supply and has higher 28 nV/√Hz noise | Better DC precision but less suitable for ultra-low-noise, low-frequency sensor apps | Choose for higher-accuracy, lower-voltage (2.7–6 V) designs where noise <28 nV/√Hz is acceptable |
Compared with TLC27L1CP and TLV2461IP, the TLC27L1IP uniquely balances extended temperature operation (−40°C to +85°C), ultra-low IDD (17 µA), and proven LinCMOS stability - making it optimal for unattended, battery-powered field transmitters where long-term drift and wide ambient range are critical.
Availability
TLC27L1IP is available at Aetrix Electronics and suitable for pressure transmitter design, flow meter signal conditioning, and temperature sensor front-end circuits requiring stable component supply across industrial temperature ranges and multi-year deployment cycles.
Supply support for TLC27L1IP 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 experience in precision op-amp design and industrial-grade reliability validation.
The TLC27L1x family was engineered specifically for low-power, single-supply sensor signal conditioning in field instruments - emphasizing long-term offset stability, wide supply range, and robustness in harsh environmental conditions.
FAQ
What is the maximum operating temperature range for the TLC27L1IP?
The TLC27L1IP is characterized for operation from −40°C to +85°C. This extended industrial temperature range is confirmed in Section 5.3 (Recommended Operating Conditions) and Section 5.7 (Electrical Characteristics, I Suffix) of the official Texas Instruments datasheet SLOS154C. The 'I' suffix explicitly denotes this temperature grade, making TLC27L1IP suitable for outdoor or uncontrolled-environment deployments where the TLC27L1CP (0°C to +70°C) would not suffice.
Does the TLC27L1IP support true single-supply operation with inputs referenced to ground?
Yes, the TLC27L1IP supports true single-supply operation with inputs referenced to ground. Its common-mode input voltage range extends to −0.2 V (at VDD = 5 V), allowing the IN+ and IN− pins to accept signals at or slightly below ground potential. This capability eliminates the need for external level-shifting circuitry when interfacing with grounded-sensor configurations such as strain-gauge bridges or thermocouples with cold-junction compensation - a key design advantage confirmed in Section 5.3 and Figure 4-1 of the TLC27L1IP datasheet.
What is the typical supply current consumption of the TLC27L1IP at room temperature?
The typical supply current (IDD) of the TLC27L1IP is 17 µA at 25°C and VDD = 5 V, as specified in Section 5.7 (Electrical Characteristics, I Suffix) of the TI datasheet SLOS154C. This ultra-low quiescent current enables multi-year operation from primary lithium batteries in remote sensor nodes and field transmitters - a core design objective of the LinCMOS-based TLC27L1x family.
Are the OFFSET N1 and OFFSET N2 pins functional on modern TLC27L1IP units?
No - the OFFSET N1 (Pin 1) and OFFSET N2 (Pin 5) pins are non-connected (NC) on modern TLC27L1IP production silicon. As documented in Table 4-1 (Pin Functions), these pins served as bias-select inputs on legacy silicon but are internally unconnected in current manufacturing. TI recommends leaving them floating or tying them to GND; they must not be used for offset trimming in new designs.
How does the input offset voltage drift specification impact long-term calibration of systems using the TLC27L1IP?
The TLC27L1IP exhibits an input offset voltage drift of typically 0.1 µV/month (including the first 30 days), as stated in the "Features" section of the datasheet. This exceptionally low drift - enabled by TI's silicon-gate LinCMOS process - ensures minimal calibration drift over years of field operation. For example, after 36 months, cumulative drift remains under 4.3 µV, preserving system accuracy without periodic recalibration - a critical advantage for inaccessible or maintenance-constrained installations like pipeline monitoring or building automation sensors.
TLC27L1IP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LinCMOS™
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- 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:
- 1.1 mV
- 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:
- Through Hole
- Supplier Device Package:
- 8-PDIP
TLC27L1IP FAQ
1.How can I place an order for TLC27L1IP through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC27L1IP 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 TLC27L1IP reliable?
The price and inventory of TLC27L1IP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC27L1IP is usually 5 days.
3.What payment methods are accepted for TLC27L1IP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC27L1IP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC27L1IP?
TLC27L1IP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC27L1IP 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 TLC27L1IP?
For technical support, including TLC27L1IP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC27L1IP requirements.
6.How does Aetrix verify that TLC27L1IP is sourced from the original manufacturer or authorized distributors?
All TLC27L1IP 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 TLC27L1IP meets industry standards.
7.What is the process for return or replacement of TLC27L1IP?
All TLC27L1IP units undergo pre-shipment inspection (PSI). If there is an issue with TLC27L1IP, 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 TLC27L1IP part is unused and in its original packaging.
Return procedure for TLC27L1IP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLC27L1IP Tags
-
LM358DT
STMicroelectronics
-
LM358DR
Texas Instruments
-
LM2904DR
Texas Instruments
-
LM358ADR
Texas Instruments
-
LM2904DGKR
Texas Instruments
-
LM324DR
Texas Instruments
-
MCP6006T-E/OT
Microchip Technology
-
MCP6006UT-E/OT
Microchip Technology
-
LM324PWR
Texas Instruments
-
LM2902PWR
Texas Instruments
-
LM2902DR
Texas Instruments
-
LM358P
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
