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Texas Instruments TLC085AIN
- Part No.:
- TLC085AIN
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
TLC085AIN.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,362
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Product details
Overview
TLC085AIN from Texas Instruments is a quad-channel, single-supply operational amplifier with 10 MHz bandwidth, ±55 mA output drive capability, and integrated shutdown control. It operates from 4.5 V to 16 V across –40°C to 125°C, enabling high-fidelity audio buffering and industrial sensor signal conditioning in space-constrained designs.
For engineers reviewing the TLC085AIN datasheet, TLC085AIN pinout, TLC085AIN application, or TLC085AIN equivalent, key selection criteria include its rail-to-rail input common-mode range (GND to VDD–2 V), 16 V/µs slew rate, ultralow 125 µA/channel shutdown current, and TSSOP-16 package compatibility with automated PCB assembly.
Technical Context
The TLC085AIN uses TI's LBC3 BiCMOS process to combine a low-noise CMOS front end (8.5 nV/√Hz input voltage noise) with a high-drive bipolar output stage. This architecture delivers simultaneous wide bandwidth (10 MHz GBWP), high output current (±55 mA), and low input offset voltage (60 µV typical).
Its shutdown function is TTL-compatible (VIH = 2 V, VIL = 0.8 V), enabling fast enable/disable transitions (ton = 0.47 µs, toff = 2.5 µs at VDD = 12 V). The device supports stable operation with capacitive loads up to 50 pF and maintains ≥37° phase margin under full-load conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth | 10 MHz gain-bandwidth product enables stable unity-gain buffer configurations up to 10 MHz. |
| Output Drive | ±55 mA sourcing/sinking at 0.5 V/1.5 V from rails supports direct driving of 600 Ω audio loads without external buffers. |
| Slew Rate | 16 V/µs (positive), 19 V/µs (negative) ensures <0.39 µs settling for 1 V step with 47 pF load. |
| Supply Range | 4.5 V to 16 V single supply eliminates need for dual-rail generation in battery-powered or industrial systems. |
| Shutdown Current | 125 µA per channel reduces system standby power by >93% versus active mode (1.9 mA/channel). |
| Input Offset | 60 µV typical (2000 µV max over temperature) minimizes DC error in precision transducer amplification. |
| Input Noise | 8.5 nV/√Hz at 1 kHz enables low-noise signal chain design for 16-bit ADC interfaces. |
Pinout & Package
TLC085AIN is housed in a 16-pin TSSOP (PWP) package with exposed thermal pad, measuring 5.0 mm × 4.4 mm × 1.2 mm and rated for 4.79 W power dissipation (θJA = 26.1°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 9, 13 | OUTx | Amplifier output terminals; each drives ±55 mA into resistive or capacitive loads. |
| 2, 6, 10, 14 | INx– | Inverting input; high impedance (>1 GΩ) enables high-Z sensor interfacing. |
| 3, 7, 11, 15 | INx+ | Non-inverting input; common-mode range extends to GND supports single-supply level-shifting. |
| 4 | VDD | Positive supply rail; accepts 4.5 V–16 V with internal ESD protection. |
| 8 | GND | Analog ground reference; separate from digital ground in mixed-signal systems. |
| 12 | 1/2SHDN | Shared shutdown control for channels 1 & 2; logic-high disables both amplifiers. |
| 16 | 3/4SHDN | Shared shutdown control for channels 3 & 4; independent of 1/2SHDN for flexible power sequencing. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input | Common-mode range includes GND and extends to VDD–2 V, eliminating level-shifting circuits in 0–5 V systems. |
| High-output drive | ±55 mA per channel directly drives 600 Ω headphones or 10 kΩ loads with <0.5 V dropout at full current. |
| Low-noise CMOS input | 8.5 nV/√Hz input voltage noise and 0.6 fA/√Hz current noise preserve SNR in microphone preamps. |
| Independent dual shutdown | Two dedicated shutdown pins (1/2SHDN, 3/4SHDN) allow selective channel disabling for dynamic power management. |
| Wide temperature range | Specified from –40°C to 125°C supports automotive engine control and industrial motor drive applications. |
Applications
| Audio Line Driver | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Driving balanced/unbalanced line outputs in professional audio mixers with 600 Ω termination. IC Role / Device Role / Timing Role: Quad op-amp configured as four independent unity-gain buffers with independent shutdown control. Use Value: 10 MHz bandwidth preserves audio fidelity up to 200 kHz; ±55 mA drive ensures full swing into reactive loads without clipping. | Use Scenario: Amplifying low-level signals from RTDs, strain gauges, or thermocouples in PLC analog input modules. IC Role / Device Role / Timing Role: Precision instrumentation amplifier front-end with rail-to-rail input and low-offset performance. Use Value: 60 µV typical VIO and 8.5 nV/√Hz noise maintain 16-bit effective resolution; shutdown mode reduces system idle power. |
| Automotive Camera Power Supply Filter | Medical Patient Monitor Front-End |
Use Scenario: Active filtering and buffering of camera module power rails to suppress switching noise in ADAS systems. IC Role / Device Role / Timing Role: Low-noise voltage follower isolating sensitive image sensors from noisy DC-DC converters. Use Value: 125 µA shutdown current extends battery life; 125°C rating survives under-hood thermal environments. | Use Scenario: Biopotential signal amplification (ECG, EEG) requiring high CMRR and low noise in portable monitors. IC Role / Device Role / Timing Role: First-stage differential amplifier with programmable gain and channel-selectable shutdown. Use Value: 110 dB CMRR rejects 50/60 Hz interference; 10 MHz bandwidth supports transient detection in arrhythmia analysis. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2464IDR | Lower bandwidth (6.4 MHz), lower output drive (±30 mA), no shutdown pins. | Lacks independent shutdown control; unsuitable for dynamic power management in portable devices. | Select when cost sensitivity outweighs need for high drive or shutdown functionality. |
| OPA4340UA | Higher precision (50 µV VIO max), lower noise (7 nV/√Hz), but only ±20 mA output drive. | Better for ultra-low-distortion audio, but cannot drive heavy loads like 600 Ω headphones. | Select when DC accuracy and noise dominate over output current requirements. |
Compared with TLV2464IDR and OPA4340UA, the TLC085AIN uniquely balances high-speed (10 MHz), high-output (±55 mA), and dual independent shutdown-making it optimal for space-constrained industrial and automotive systems requiring both performance and power flexibility.
Availability
TLC085AIN is available at Aetrix Electronics and suitable for industrial sensor signal conditioning, automotive camera power filtering, and portable medical monitor front-ends requiring stable component supply across extended temperature ranges.
Supply support for TLC085AIN 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-amp design.
The TLC08x family was engineered for single-supply, high-output-drive applications in audio, automotive, and industrial systems-delivering BiMOS performance advantages over legacy BiFET predecessors.
FAQ
What is the operating temperature range for the TLC085AIN?
The TLC085AIN is specified for operation from –40°C to 125°C, making it suitable for under-hood automotive applications, industrial motor controls, and outdoor equipment where ambient temperatures exceed standard commercial grade limits. This extended range is confirmed in the "Recommended Operating Conditions" table of the SLOS254F datasheet, with I-suffix designation indicating industrial qualification.
Does the TLC085AIN support true rail-to-rail input operation?
Yes, the TLC085AIN supports rail-to-rail input common-mode voltage range from GND to VDD–2 V, as verified in the "Recommended Operating Conditions" section (VICR = GND to VDD–2 V). This allows direct interfacing with zero-referenced sensors and simplifies single-supply biasing without external level-shifting networks.
How does the shutdown functionality work on the TLC085AIN?
The TLC085AIN features two independent shutdown pins: pin 12 (1/2SHDN) disables channels 1 and 2, while pin 16 (3/4SHDN) disables channels 3 and 4. A logic-high voltage ≥2 V disables the associated channels, reducing supply current to 125 µA per channel. This dual-control architecture enables granular power management not found in most quad op-amps.
What is the maximum capacitive load the TLC085AIN can drive stably?
The TLC085AIN maintains stability with capacitive loads up to 50 pF, as confirmed by phase margin measurements (≥37° at CL = 50 pF, VDD = 12 V) in the "Operating Characteristics" table. For heavier loads, external isolation resistors are recommended to prevent peaking or oscillation in unity-gain configurations.
Is the TLC085AIN pin-compatible with other devices in the TLC08x family?
No-the TLC085AIN uses a 16-pin TSSOP (PWP) package with unique pin assignments for dual shutdown control (pins 12 and 16), unlike the 14-pin SOIC (N) or 16-pin PDIP variants. Pinouts differ significantly across the family; for example, TLC084IN uses a 14-pin TSSOP without shutdown pins, confirming that TLC085AIN is not pin-compatible with other TLC08x members.
TLC085AIN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-DIP (0.300", 7.62mm)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- -
- Slew Rate:
- 19V/µs
- Gain Bandwidth Product:
- 10 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 3 pA
- Voltage - Input Offset:
- 390 µV
- Current - Supply:
- 1.9mA (x4 Channels)
- Current - Output / Channel:
- 57 mA
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-PDIP
TLC085AIN FAQ
1.How can I place an order for TLC085AIN through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC085AIN 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 TLC085AIN reliable?
The price and inventory of TLC085AIN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC085AIN is usually 5 days.
3.What payment methods are accepted for TLC085AIN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC085AIN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC085AIN?
TLC085AIN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC085AIN 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 TLC085AIN?
For technical support, including TLC085AIN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC085AIN requirements.
6.How does Aetrix verify that TLC085AIN is sourced from the original manufacturer or authorized distributors?
All TLC085AIN 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 TLC085AIN meets industry standards.
7.What is the process for return or replacement of TLC085AIN?
All TLC085AIN units undergo pre-shipment inspection (PSI). If there is an issue with TLC085AIN, 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 TLC085AIN part is unused and in its original packaging.
Return procedure for TLC085AIN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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