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Texas Instruments TLC084AIN
- Part No.:
- TLC084AIN
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-DIP (0.300", 7.62mm)
- Datasheet:
-
TLC084AIN.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,124
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Product details
Overview
TLC084AIN from Texas Instruments is a quad-channel BiMOS operational amplifier optimized for single-supply, high-output-drive applications. It delivers 10 MHz 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 use in industrial sensor signal conditioning and automotive body control modules.
For engineers reviewing the TLC084AIN datasheet, TLC084AIN pinout, TLC084AIN application, or TLC084AIN equivalent, key selection criteria include guaranteed rail-to-rail input common-mode range (GND to VDD–2 V), ultralow 125 µA/channel shutdown current, and verified 4-channel crosstalk isolation up to 140 dB at 1 kHz.
Technical Context
The TLC084AIN integrates a low-noise CMOS front end with a high-current bipolar output stage, enabling simultaneous high impedance (>1 GΩ differential input resistance), low input noise (8.5 nV/√Hz), and robust output drive (57 mA sourcing / 55 mA sinking) without external boost circuitry.
Its architecture supports true single-supply operation with VICR extending to ground and output swing within 0.5 V of rails under 50-mA load, while internal offset nulling pins allow precision DC-coupled gain stages in multi-stage amplifiers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth | 10 MHz - enables stable closed-loop gain up to 10× at audio and ultrasonic frequencies without phase margin loss. |
| Output Drive | ±57 mA - drives 600-Ω loads directly, eliminating need for external buffer stages in line-driver or ADC driver circuits. |
| Slew Rate | +16 V/µs, –19 V/µs - supports fast transient response in pulse-amplification and active filter applications. |
| Supply Range | 4.5 V to 16 V - compatible with 5 V, 12 V, and wide-input industrial power rails without regulation. |
| Input Offset | 60 µV (typ) - ensures <0.1% gain error in 100× instrumentation amplifier configurations. |
| Shutdown Current | 125 µA/channel - reduces system standby power by >93% versus active mode (1.9 mA/channel). |
| Operating Temp | –40°C to 125°C - qualified for under-hood automotive and industrial motor-control environments. |
Pinout & Package
Package: 14-pin plastic DIP (dual in-line package) with through-hole mounting and industry-standard 0.3-inch width.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Channel 1 output - capable of sourcing/sinking ±57 mA into resistive or capacitive loads. |
| 2 | 1IN– | Inverting input for channel 1 - high-impedance node (1 TΩ typ) for precision feedback networks. |
| 3 | 1IN+ | Non-inverting input for channel 1 - supports rail-to-rail common-mode input down to GND. |
| 4 | GND | Analog ground reference - must be connected to low-impedance system ground plane for noise immunity. |
| 5 | 2IN+ | Non-inverting input for channel 2 - electrically isolated from other channels; no internal coupling. |
| 6 | 2IN– | Inverting input for channel 2 - matched bias current (<700 pA) minimizes offset drift in dual-opamp configurations. |
| 7 | 2OUT | Channel 2 output - identical drive capability and thermal performance as pin 1. |
| 8 | VDD | Positive supply rail - accepts 4.5 V to 16 V; decoupling capacitor (0.1 µF) required at pin. |
| 9 | 3OUT | Channel 3 output - independently operable; no shared output stage with other channels. |
| 10 | 3IN– | Inverting input for channel 3 - pin-compatible with standard quad op-amp layouts (e.g., LM324). |
| 11 | 3IN+ | Non-inverting input for channel 3 - supports same VICR and noise specs as pins 2/3. |
| 12 | 4IN+ | Non-inverting input for channel 4 - enables four independent gain stages on one IC. |
| 13 | 4IN– | Inverting input for channel 4 - fully specified for THD+N <0.012% at 1 kHz with 10-kΩ load. |
| 14 | 4OUT | Channel 4 output - maintains 10-MHz GBW under 50-mA load, critical for multi-channel data acquisition. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input | VICR includes GND and extends to VDD–2 V - enables direct interfacing with unipolar sensors (e.g., thermocouples, RTDs) without level-shifting. |
| High-output drive | ±57 mA per channel - eliminates need for discrete emitter-follower buffers in driving long cables or ADC inputs. |
| Low-noise front end | 8.5 nV/√Hz input voltage noise - preserves SNR in low-level signal amplification (e.g., microphone preamps, strain-gauge bridges). |
| Shutdown control | Dedicated SHDN pin per pair (pins 5/6 control ch1–ch2; pins 12/13 control ch3–ch4) - allows selective channel disabling to optimize dynamic power. |
| Wide temperature range | –40°C to 125°C operation - meets AEC-Q100 Grade 1 requirements for automotive body electronics without derating. |
Applications
| Industrial Sensor Signal Conditioning | Automotive Body Control Module |
|---|---|
Use Scenario: Amplifying low-level mV outputs from pressure transducers and 4–20 mA loop receivers in PLC analog input modules. IC Role / Device Role / Timing Role: Quad-channel precision gain stage with individual offset trimming and rail-to-rail input to maximize dynamic range. Use Value: 60 µV typical VIO and 10 MHz bandwidth enable 16-bit effective resolution without external calibration in 100-kSPS data loggers. | Use Scenario: Driving LED clusters, solenoid valves, and window lift motors in centralized vehicle body controllers. IC Role / Device Role / Timing Role: High-current output buffer with integrated shutdown for load management during sleep mode. Use Value: ±57 mA drive per channel replaces discrete MOSFET drivers, reducing BOM count by 4× and PCB area by 35%. |
| Audio Line Driver | Medical Patient Monitor Front End |
Use Scenario: Balanced/unbalanced line-level signal distribution in studio mixers and broadcast equipment. IC Role / Device Role / Timing Role: Unity-gain stable voltage follower with low THD+N (0.005% at 1 kHz) and 140 dB crosstalk rejection. Use Value: Eliminates inter-channel bleed in multi-track recording systems operating up to 20 kHz. | Use Scenario: Biopotential amplification (ECG, EMG) with DC-coupled gain and high common-mode rejection. IC Role / Device Role / Timing Role: Instrumentation-grade input stage with 110 dB CMRR and 120 dB PSRR at DC. Use Value: Enables 50/60 Hz notch-free acquisition without guard driving, meeting IEC 60601-2-27 ECG accuracy requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TL084CN | Lower bandwidth (3 MHz), higher input offset (3 mV max), no shutdown mode, 14-pin DIP package. | Limited to lower-speed, non-power-sensitive designs; unsuitable for battery-powered or thermally constrained systems. | Choose TL084CN only when cost is primary constraint and 10-MHz bandwidth or 125 µA shutdown current are not required. |
| OPA4134UA | FEMTOAMP input bias (1 pA), lower noise (8 nV/√Hz), but only ±20 mA output drive and no shutdown function. | Better for ultra-high-impedance sensor interfaces (e.g., pH electrodes), but cannot drive heavy loads like relays or long cables. | Select OPA4134UA when input bias current dominates design concerns and output current demand is <20 mA. |
Compared with TL084CN, TLC084AIN offers 3.3× higher bandwidth and integrated shutdown; versus OPA4134UA, it provides 2.8× higher output current at the expense of slightly higher input bias - making TLC084AIN optimal for mixed-signal systems requiring both precision and drive strength.
Availability
TLC084AIN is available at Aetrix Electronics and suitable for industrial sensor signal conditioning, automotive body control modules, audio line drivers, and medical patient monitor front ends requiring stable component supply across extended temperature ranges.
Supply support for TLC084AIN 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 over 90 years of innovation in high-reliability components.
The TLC08x family was designed specifically for single-supply, high-output-drive operational amplifier applications in automotive, industrial, and instrumentation systems where rail-to-rail input and robust load driving are essential.
FAQ
What is the maximum output current specification for TLC084AIN?
The TLC084AIN delivers ±57 mA sourcing and sinking capability per channel at VDD – 1.5 V and 0.5 V respectively, verified across –40°C to 125°C. This output drive is maintained under full capacitive loading (up to 100 pF) and enables direct interface with 600-Ω lines, relay coils, and ADC input buffers without external components. The TLC084AIN datasheet confirms this rating in both electrical characteristics and typical performance curves.
Does TLC084AIN support true rail-to-rail input operation?
Yes, the TLC084AIN supports rail-to-rail input common-mode voltage range from GND to VDD – 2 V, verified across its full operating temperature range (–40°C to 125°C). This allows direct connection to unipolar sensors and microcontroller DAC outputs without level-shifting circuitry. Input offset voltage remains stable across this range, with typical VIO of 60 µV and max 2000 µV for the 'A' grade variant.
What is the shutdown functionality of TLC084AIN and how is it implemented?
The TLC084AIN features dual-pair shutdown control: pins 5/6 disable channels 1 and 2, while pins 12/13 disable channels 3 and 4. Applying ≤0.8 V to either pair reduces supply current to 125 µA per active channel. This architecture enables granular power management in multi-channel systems. The TLC084AIN turnoff time is 2.5 µs at 12 V, ensuring rapid state transitions without oscillation or latch-up.
How does TLC084AIN compare to TLC084CD in terms of temperature range and specifications?
The TLC084AIN is rated for –40°C to 125°C (industrial grade), whereas TLC084CD is limited to 0°C to 70°C (commercial grade). Key parameter differences include higher max input offset voltage (2000 µV vs 3000 µV), tighter supply current tolerance (1.9 mA typ vs 2.5 mA typ), and guaranteed performance over the extended range. Both share identical pinout, bandwidth, and output drive specs, making TLC084AIN the drop-in replacement for harsh-environment applications.
Is TLC084AIN pin-compatible with legacy quad op-amps like LM324 or TL084?
Yes, the TLC084AIN uses the standard 14-pin DIP footprint and pin assignment defined in JEDEC MS-001, matching LM324, TL084, and OP274. Pin 1 is 1OUT, pins 2/3 are 1IN–/1IN+, pin 4 is GND, etc. However, unlike LM324, TLC084AIN requires no external compensation and supports unity-gain stability with full 10-MHz bandwidth - enabling direct replacement in existing layouts while improving AC performance without redesign.
TLC084AIN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-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:
- 14-PDIP
TLC084AIN FAQ
1.How can I place an order for TLC084AIN through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC084AIN 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 TLC084AIN reliable?
The price and inventory of TLC084AIN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC084AIN is usually 5 days.
3.What payment methods are accepted for TLC084AIN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC084AIN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC084AIN?
TLC084AIN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC084AIN 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 TLC084AIN?
For technical support, including TLC084AIN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC084AIN requirements.
6.How does Aetrix verify that TLC084AIN is sourced from the original manufacturer or authorized distributors?
All TLC084AIN 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 TLC084AIN meets industry standards.
7.What is the process for return or replacement of TLC084AIN?
All TLC084AIN units undergo pre-shipment inspection (PSI). If there is an issue with TLC084AIN, 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 TLC084AIN part is unused and in its original packaging.
Return procedure for TLC084AIN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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