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Texas Instruments TLC081IDR
- Part No.:
- TLC081IDR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLC081IDR.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,264
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Product details
Overview
TLC081IDR from Texas Instruments is a single-channel BiMOS operational amplifier optimized for wide-bandwidth, high-output-drive, single-supply applications. It delivers 10 MHz gain-bandwidth, ±57 mA output drive, 16 V/µs positive slew rate, and operates from 4.5 V to 16 V across –40°C to 125°C - enabling robust signal conditioning in automotive sensor interfaces and industrial analog front-ends.
For engineers reviewing the TLC081IDR datasheet, TLC081IDR pinout, TLC081IDR application, or TLC081IDR equivalent, key selection considerations include its rail-to-rail input capability (VICR = GND to VDD–2 V), ultralow 125 µA shutdown current per channel, and MSOP-8 package compatibility with space-constrained PCB layouts.
Technical Context
The TLC081IDR integrates a low-noise CMOS front end with a high-drive bipolar output stage in TI's LBC3 BiCMOS process, enabling simultaneous high impedance (>1 TΩ differential input resistance), low input noise (8.5 nV/√Hz), and strong output sourcing/sinking (57 mA/55 mA). Its architecture supports stable unity-gain operation with phase margin ≥32° into 50 pF loads.
Unlike legacy TL08x predecessors, the TLC081IDR ensures ground-inclusive common-mode input range and features dedicated shutdown control (SHDN pin) with logic-level thresholds (VIH = 2 V, VIL = 0.8 V), enabling precise power sequencing in battery-powered systems without external enable circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-bandwidth product | 10 MHz - enables stable closed-loop operation up to 10× gain at 1 MHz or unity gain at 10 MHz. |
| Output drive (sourcing) | 57 mA at VDD–1.5 V - drives heavy loads like 600 Ω audio lines or capacitive DAC buffers directly. |
| Slew rate (+) | 16 V/µs - supports fast settling of 10-V step signals within 0.625 µs (0.1% error). |
| Supply voltage range | 4.5 V to 16 V - compatible with 5 V, 12 V, and dual-rail-derived single supplies. |
| Input offset voltage | 60 µV typical - reduces DC error in precision transducer amplification and low-level signal chains. |
| Shutdown current | 125 µA per channel - cuts quiescent power by >93% versus active mode (1.9 mA), critical for duty-cycled sensors. |
Pinout & Package
The TLC081IDR is housed in an 8-pin MSOP (DGN) package with exposed thermal pad (PowerPAD™), measuring 3.0 mm × 3.0 mm × 1.0 mm and rated for 4.7 °C/W junction-to-case thermal resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NULL) | No internal connection | Unused pin; must be left floating or tied to GND for mechanical stability. |
| 2 (IN–) | Inverting input | Differential input node; accepts signals down to GND in single-supply configurations. |
| 3 (IN+) | Non-inverting input | High-impedance CMOS input (1 TΩ); supports direct connection to high-Z sources like piezoelectric sensors. |
| 4 (GND) | Analog ground reference | Primary return path for input bias currents and output load current; requires low-impedance PCB plane. |
| 5 (SHDN) | Shutdown control input | Active-low logic interface; pulls supply current to 125 µA when ≤0.8 V, full operation when ≥2 V. |
| 6 (VDD) | Positive supply rail | Accepts 4.5–16 V; decoupling capacitor (0.1 µF) required within 5 mm of pin for stability. |
| 7 (OUT) | Amplifier output | Class-AB bipolar output stage; capable of sourcing 57 mA or sinking 55 mA into resistive or moderate capacitive loads. |
| 8 (NULL) | No internal connection | Unused pin; same handling as Pin 1. |
Key Features
| Feature | Design Value |
|---|---|
| Wide bandwidth + high drive | 10 MHz GBW with ±57 mA output enables driving 600 Ω lines at audio frequencies without external buffers. |
| Ground-sensing input range | VICR includes GND (0 V) to VDD–2 V - eliminates need for level-shifting in single-supply sensor interfaces. |
| Ultralow shutdown current | 125 µA per channel allows >100× reduction in idle power versus active mode, extending battery life in portable instruments. |
| Low input voltage noise | 8.5 nV/√Hz at 1 kHz - preserves SNR in low-level signal amplification (e.g., thermocouple, strain gauge front-ends). |
| MSOP PowerPAD™ package | 3 mm × 3 mm footprint with thermal pad improves power dissipation and EMI immunity over SOIC-8 alternatives. |
Applications
| Automotive Cabin Pressure Sensor Interface | Industrial PLC Analog Input Module |
|---|---|
Use Scenario: Amplifying millivolt-level output from piezoresistive pressure sensors in HVAC control units under wide temperature (-40°C to 125°C) and EMI-heavy environments. IC Role / Device Role / Timing Role: Single-supply instrumentation amplifier stage with rail-to-rail input and shutdown control synchronized to vehicle ignition state. Use Value: 60 µV offset and 8.5 nV/√Hz noise ensure <0.1% full-scale error over lifetime; 57 mA drive handles 100 m cable capacitance without oscillation. | Use Scenario: Conditioning 4–20 mA loop signals and thermocouple outputs in modular I/O cards requiring high channel density and thermal resilience. IC Role / Device Role / Timing Role: Precision buffer and level shifter between isolated field-side sensors and ADC drivers on the controller side. Use Value: Ground-inclusive VICR eliminates external bias networks; 10 MHz bandwidth supports oversampling ADCs up to 1 MSPS effective sample rate. |
| Portable Medical ECG Front-End | Battery-Powered Test Equipment Signal Generator |
Use Scenario: Low-noise amplification of microvolt-level biopotential signals in handheld ECG devices powered by Li-ion batteries (3.3–4.2 V nominal). IC Role / Device Role / Timing Role: First-stage gain block with selectable shutdown during standby to minimize system quiescent current. Use Value: 125 µA shutdown current extends battery runtime beyond 72 hours in sleep mode; 16 V/µs slew rate preserves QRS complex fidelity. | Use Scenario: Driving variable-frequency sine/triangle waveforms into 50 Ω or high-Z test loads in handheld calibrators and signal injectors. IC Role / Device Role / Timing Role: Output driver stage with high-current capability and fast settling for accurate waveform reproduction. Use Value: ±57 mA output drive delivers full-scale 10 Vpp into 50 Ω; 0.18 µs settling time (0.01%) ensures clean transitions at 10 kHz update rates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2333AIDR | Zero-drift architecture; 0.02 µV/°C offset drift vs. TLC081IDR's 1.2 µV/°C; lower 5.5 µVpp noise but only 16 mA output drive. | Better for ultra-stable DC-coupled measurement (e.g., weigh scales); insufficient drive for 600 Ω audio or capacitive loads. | Select OPA2333AIDR when long-term DC accuracy dominates over AC drive strength. |
| LM7321MAX/NOPB | Higher 22 MHz GBW and 100 mA output, but wider 2.7–36 V supply range and no integrated shutdown pin. | Preferred for wide-input-voltage industrial controls; requires external enable logic for power gating. | Select LM7321MAX/NOPB when maximum speed and drive are needed and board space permits discrete shutdown circuitry. |
Compared with OPA2333AIDR and LM7321MAX/NOPB, the TLC081IDR uniquely balances 10 MHz bandwidth, ±57 mA drive, integrated shutdown, and ground-sensing inputs in a 3 mm × 3 mm MSOP - making it optimal for space-constrained, battery-aware, single-supply systems demanding both precision and power efficiency.
Availability
TLC081IDR is available at Aetrix Electronics and suitable for automotive cabin electronics, industrial PLC analog modules, portable medical diagnostics, and battery-powered test equipment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLC081IDR 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 expertise in high-performance op amps and precision signal chain solutions.
The TLC08x family was designed specifically for engineers migrating from dual-supply TL08x op amps to modern single-supply systems - delivering higher AC performance, ground-referenced inputs, and integrated power management in compact packages.
FAQ
What is the operating temperature range of the TLC081IDR?
The TLC081IDR is specified for operation from –40°C to +125°C, qualifying it for under-hood automotive, industrial control, and harsh-environment applications. This extended temperature grade (I-suffix) is confirmed in the device's ordering table and absolute maximum ratings section of the SLOS254F datasheet.
Does the TLC081IDR support rail-to-rail input or output?
The TLC081IDR supports rail-to-rail input (common-mode range includes GND to VDD–2 V) but not rail-to-rail output - its output swings within ~1.5 V of VDD and ~0.5 V of GND under full load. This is documented in the VOH/VOL specifications at IOH = –50 mA and IOL = 50 mA in the Electrical Characteristics tables.
How does the SHDN pin function on the TLC081IDR?
The SHDN pin on the TLC081IDR is an active-low logic input: asserting ≤0.8 V places the amplifier in ultralow-power shutdown (125 µA/channel), while ≥2 V enables normal operation. The transition times (t(on) = 0.47 µs, t(off) = 2.5 µs at VDD = 12 V) are characterized in the Operating Characteristics table.
Can the TLC081IDR drive capacitive loads without instability?
Yes - the TLC081IDR maintains ≥32° phase margin into 50 pF loads (per Figure 19), and its datasheet confirms stable unity-gain operation with CL ≤ 50 pF. For larger capacitive loads, a series isolation resistor (e.g., 10–50 Ω) between OUT and the load is recommended to preserve stability.
What package type is used for the TLC081IDR?
The TLC081IDR uses the 8-pin MSOP (DGN) package with PowerPAD™ thermal enhancement, as confirmed in the "TLC080 and TLC081 AVAILABLE OPTIONS" table and the "TYPICAL PIN 1 INDICATORS" diagram. This package measures 3.0 mm × 3.0 mm and requires soldering of the exposed thermal pad to a PCB copper pour for optimal thermal performance.
TLC081IDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 19V/µs
- Gain Bandwidth Product:
- 10 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 2 pA
- Voltage - Input Offset:
- 390 µV
- Current - Supply:
- 1.9mA
- Current - Output / Channel:
- 57 mA
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLC081IDR FAQ
1.How can I place an order for TLC081IDR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC081IDR 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 TLC081IDR reliable?
The price and inventory of TLC081IDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC081IDR is usually 5 days.
3.What payment methods are accepted for TLC081IDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC081IDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC081IDR?
TLC081IDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC081IDR 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 TLC081IDR?
For technical support, including TLC081IDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC081IDR requirements.
6.How does Aetrix verify that TLC081IDR is sourced from the original manufacturer or authorized distributors?
All TLC081IDR 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 TLC081IDR meets industry standards.
7.What is the process for return or replacement of TLC081IDR?
All TLC081IDR units undergo pre-shipment inspection (PSI). If there is an issue with TLC081IDR, 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 TLC081IDR part is unused and in its original packaging.
Return procedure for TLC081IDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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