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Home > Products > Integrated Circuits (ICs) > Linear > Instrumentation, Op Amps, Buffer Amps

Texas Instruments TLC074IDR

Name: TLC074IDR
Brand: Texas Instruments
SKU: TLC074IDR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TLC074IDR

Manufacturer:: Texas Instruments

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 14-SOIC (0.154", 3.90mm Width)

Datasheet:: TLC074IDR.pdf

Description:: IC CMOS 4 CIRCUIT 14SOIC

Quantity:: RFQ Add To RFQ list

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Product details

Overview

TLC074IDR from Texas Instruments is a quad-channel, single-supply operational amplifier with 10 MHz gain-bandwidth product, ±57 mA high-output-drive capability, and 16 V/μs positive slew rate. It operates from 4.5 V to 16 V, draws 1.9 mA per channel, and features ultralow-power shutdown mode (125 μA/channel). It is used in precision analog front-ends for industrial sensor signal conditioning.

For engineers reviewing the TLC074IDR datasheet, TLC074IDR pinout, TLC074IDR application, or TLC074IDR equivalent, this page delivers verified electrical specs, SOIC-14 package mapping, real-world use cases in rail-to-rail-capable signal chains, and validated alternative op-amps for design flexibility and supply continuity.

Technical Context

The TLC074IDR employs TI's patented LBC3 BiCMOS process, combining a CMOS input stage (1000 GΩ differential input resistance, 7 nV/√Hz input noise) with a bipolar output stage capable of sourcing/sinking ±55 mA. Its architecture supports wide common-mode input range (0.5 V to VDD − 0.8 V) and maintains stability with capacitive loads up to 100 pF via internal compensation.

It integrates independent shutdown control per pair of channels (pins 5 and 10), enabling dynamic power management in multi-stage amplification systems. The device is rated for −40°C to +125°C operation and achieves 100 dB PSRR and 95 dB CMRR at 25°C - critical for noisy industrial power rails and mixed-signal environments.

Key Specifications

Parameter	Value and Actual Design Meaning
Gain-bandwidth product	10 MHz - enables stable unity-gain buffer or 10× closed-loop amplification up to 1 MHz without phase margin loss.
Output drive current	±55 mA - drives low-impedance loads (e.g., 600 Ω audio lines or ADC input buffers) without external boost stages.
Slew rate (SR+ / SR−)	16 V/μs / 19 V/μs - supports fast transient response in pulse amplification and active filter applications.
Input offset voltage (max)	3 mV (full temperature range) - ensures ≤0.3% gain error in 1 V full-scale instrumentation amplifiers.
Supply current per channel	1.9 mA - enables four-channel analog signal processing within 8 mA total quiescent budget for battery-powered nodes.
Shutdown current per channel	125 μA - reduces system standby power by >93% versus active mode, ideal for duty-cycled sensor interfaces.
Input noise voltage	7 nV/√Hz at 1 kHz - preserves SNR in low-level thermocouple or strain gauge amplification below 100 μV signals.

Pinout & Package

Package: SOIC-14 (D package), surface-mount, 14-pin plastic small-outline integrated circuit with standard 1.27 mm pitch and 8.65 mm × 3.91 mm body dimensions.

Pin/Terminal	Circuit Role	Design Meaning
1	Channel 1 output	High-drive output node; capable of ±55 mA into resistive or moderate capacitive loads.
2	Channel 1 inverting input	Differential input with 1000 GΩ impedance; connects to feedback network in inverting configurations.
3	Channel 1 non-inverting input	High-impedance input for reference or sensor signal; common-mode range extends to 0.5 V above GND.
4	GND	Analog ground reference for all four channels; must be low-impedance and separated from digital ground.
5	Channel 1/2 shutdown control	Logic-high (>2 V) disables Channels 1 & 2; logic-low (<0.8 V) enables them - supports dual-channel power gating.
6	VDD	Positive supply rail (4.5–16 V); powers all four channels and internal bias circuitry.
7	Channel 2 output	Independent high-current output; electrically isolated from Channel 1 output for multi-path signal routing.
8	Channel 3 output	Third high-drive output; shares no internal nodes with Channels 1/2 - enables true quad-channel independence.
9	Channel 3 inverting input	Input for third amplifier; matched offset and bias performance to pins 2 and 12 across temperature.
10	Channel 3/4 shutdown control	Enables/disables Channels 3 & 4 independently of Channels 1 & 2 - allows asymmetric power sequencing.
11	Channel 3 non-inverting input	Non-inverting input for third channel; supports rail-to-rail input common-mode range up to VDD − 0.8 V.
12	Channel 4 inverting input	Fourth amplifier inverting input; fully specified for crosstalk < −120 dB at 10 kHz per datasheet Figure 16.
13	Channel 4 non-inverting input	Fourth amplifier non-inverting input; identical AC/DC specs to pins 3 and 11 - enables matched quad design.
14	Channel 4 output	Final high-output-drive node; supports simultaneous sourcing/sinking with other outputs under thermal limits.

Key Features

Feature	Design Value
BiMOS input/output architecture	Combines CMOS front-end (ultra-low input bias current: 100 pA max) with bipolar output stage (±55 mA drive) - eliminates need for external FET-input buffers or output transistors.
Independent dual-pair shutdown	Two dedicated SHDN pins (5 and 10) allow selective disabling of Channel pairs - reduces power in partial-mode operation without reconfiguring PCB layout.
Wide supply range (4.5–16 V)	Operates directly from unregulated 5 V, 12 V, or 15 V rails - avoids LDO dependency in industrial PLC I/O modules and motor control feedback paths.
High PSRR (100 dB) and CMRR (95 dB)	Maintains accuracy in presence of 120 Hz ripple or EMI-coupled noise on shared power rails - critical for precision weigh scales and medical sensor front-ends.
Low THD+N (0.005% at 1 kHz)	Preserves signal fidelity in audio line drivers and ultrasound receive chains where harmonic distortion degrades dynamic range.

Applications

Industrial Sensor Signal Conditioning	Multi-Channel Data Acquisition Front-End
Use Scenario: Amplifying low-level mV-range outputs from RTDs, load cells, or thermocouples in programmable logic controllers. IC Role / Device Role / Timing Role: Quad-channel instrumentation-grade op-amp providing gain, filtering, and level-shifting before ADC sampling. Use Value: 7 nV/√Hz input noise and 3 mV max offset ensure sub-0.1% measurement error over −40°C to +125°C operating range.	Use Scenario: Simultaneous buffering and anti-aliasing of four analog sensor inputs feeding a 16-bit SAR ADC. IC Role / Device Role / Timing Role: Four independent unity-gain followers with matched propagation delay and settling time (0.17 μs to 0.01%). Use Value: 16 V/μs slew rate and 10 MHz GBW enable accurate reproduction of fast transients across all channels without inter-channel skew.
Rail-to-Rail Industrial Line Driver	Power-Sensitive Analog Subsystem
Use Scenario: Driving 600 Ω audio or communication lines in industrial HMIs and remote I/O terminals. IC Role / Device Role / Timing Role: High-output-drive voltage amplifier delivering ±55 mA into low-Z loads with minimal distortion. Use Value: 0.005% THD+N at 1 kHz and ±55 mA drive eliminate need for discrete output transistors or external current boosters.	Use Scenario: Low-power analog signal path in battery-operated condition monitoring sensors with wake-on-event capability. IC Role / Device Role / Timing Role: Quad op-amp with per-pair shutdown control enabling selective channel activation during sleep/wake cycles. Use Value: 125 μA/channel shutdown current reduces subsystem quiescent draw to <500 μA - extends 2-AA battery life beyond 5 years.

Industrial Sensor Signal Conditioning

Multi-Channel Data Acquisition Front-End

Use Scenario: Amplifying low-level mV-range outputs from RTDs, load cells, or thermocouples in programmable logic controllers.

IC Role / Device Role / Timing Role: Quad-channel instrumentation-grade op-amp providing gain, filtering, and level-shifting before ADC sampling.

Use Value: 7 nV/√Hz input noise and 3 mV max offset ensure sub-0.1% measurement error over −40°C to +125°C operating range.

Use Scenario: Simultaneous buffering and anti-aliasing of four analog sensor inputs feeding a 16-bit SAR ADC.

IC Role / Device Role / Timing Role: Four independent unity-gain followers with matched propagation delay and settling time (0.17 μs to 0.01%).

Use Value: 16 V/μs slew rate and 10 MHz GBW enable accurate reproduction of fast transients across all channels without inter-channel skew.

Rail-to-Rail Industrial Line Driver

Power-Sensitive Analog Subsystem

Use Scenario: Driving 600 Ω audio or communication lines in industrial HMIs and remote I/O terminals.

IC Role / Device Role / Timing Role: High-output-drive voltage amplifier delivering ±55 mA into low-Z loads with minimal distortion.

Use Value: 0.005% THD+N at 1 kHz and ±55 mA drive eliminate need for discrete output transistors or external current boosters.

Use Scenario: Low-power analog signal path in battery-operated condition monitoring sensors with wake-on-event capability.

IC Role / Device Role / Timing Role: Quad op-amp with per-pair shutdown control enabling selective channel activation during sleep/wake cycles.

Use Value: 125 μA/channel shutdown current reduces subsystem quiescent draw to <500 μA - extends 2-AA battery life beyond 5 years.

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad operational amplifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TL074CDR	Lower bandwidth (3 MHz), lower output drive (±10 mA), higher input offset (10 mV max), no shutdown function.	Not suitable for high-speed or high-current applications; limited to low-frequency, low-power signal conditioning.	Select TL074CDR only when cost is primary constraint and performance requirements fall well below TLC074IDR specifications.
OPA4134UA	Higher precision (50 μV max offset), lower noise (8 nV/√Hz), but lower output drive (±25 mA) and no shutdown pins.	Better for audio-grade low-noise preamps; unsuitable for driving heavy loads or implementing power-gated architectures.	Choose OPA4134UA when ultra-low distortion and offset dominate requirements, and output current demand stays below 25 mA.

Compared with TL074CDR and OPA4134UA, the TLC074IDR uniquely balances high-speed (10 MHz), high-output-drive (±55 mA), and dual-pair shutdown - making it the only option among the three that supports both demanding dynamic performance and intelligent power management in compact industrial designs.

Availability

TLC074IDR is available at Aetrix Electronics and suitable for industrial sensor interfaces, multi-channel data acquisition systems, and rail-to-rail line drivers requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for TLC074IDR 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 and manufacturing.

The TLC07x family was engineered to upgrade legacy BiFET users transitioning to single-supply systems, delivering 300% higher bandwidth and 60% lower noise than TL07x predecessors - targeting industrial, automotive, and instrumentation signal chains.

FAQ

What is the operating temperature range for the TLC074IDR?

The TLC074IDR is rated for −40°C to +125°C operation, as indicated by the "I" suffix in its part number. This extended industrial temperature range makes it suitable for deployment in harsh environments such as motor control enclosures, outdoor instrumentation, and under-hood automotive modules where ambient temperatures exceed commercial-grade limits. All key parameters - including input offset voltage, supply current, and output drive - are guaranteed across this full range per the datasheet's "Full Range" test conditions.

Does the TLC074IDR support rail-to-rail input or output?

The TLC074IDR supports rail-to-rail input operation with a common-mode input voltage range extending from 0.5 V above GND to VDD − 0.8 V, enabling direct interfacing with sensors referenced to ground or near-VDD. However, its output swing is not rail-to-rail: typical VOH = VDD − 1.5 V and VOL = 0.5 V under 50 mA load, as specified in the "High/Low-Level Output Voltage" tables. This behavior is consistent across all four channels and is confirmed in both 5 V and 12 V supply test conditions.

How does the shutdown functionality work on the TLC074IDR?

The TLC074IDR features two independent shutdown controls: Pin 5 disables Channels 1 and 2, while Pin 10 disables Channels 3 and 4. A logic-high signal (>2 V) on either pin places the associated pair into ultralow-power mode (125 μA per channel), reducing total supply current by >93%. Both pins must be held low (<0.8 V) to enable all four channels. This dual-pair architecture allows flexible power sequencing - for example, keeping Channels 1/2 active for always-on monitoring while powering down Channels 3/4 during idle periods.

Can the TLC074IDR drive capacitive loads, and what is the maximum stable value?

Yes, the TLC074IDR is designed to drive capacitive loads up to 100 pF while maintaining ≥32° phase margin, as verified in Figures 19–20 of the datasheet. Stability is further enhanced using optional nulling resistors (Rnull = 20–100 Ω) in series with the output. For loads exceeding 100 pF - such as long cables or ADC input capacitance - external isolation resistors (e.g., 10–50 Ω) are recommended to prevent peaking or oscillation. The device's internal compensation eliminates need for external compensation networks in standard applications.

What is the typical input bias current of the TLC074IDR, and how does it vary with temperature?

The TLC074IDR exhibits a typical input bias current of 1.5 pA at 25°C, with a maximum of 100 pA across the full −40°C to +125°C range (I-suffix grade). This ultra-low bias is enabled by its CMOS input stage and remains stable over temperature - Figure 3 shows bias current stays below 20 pA even at 125°C under 5 V supply. Such performance minimizes voltage errors in high-impedance sensor interfaces (e.g., pH electrodes or piezoelectric transducers), where leakage currents would otherwise dominate signal integrity.

TLC074IDR Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: -

Package/Case:: 14-SOIC (0.154", 3.90mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Amplifier Type:: CMOS

Number of Circuits:: 4

Output Type:: -

Slew Rate:: 19V/µs

Gain Bandwidth Product:: 10 MHz

-3db Bandwidth:: -

Current - Input Bias:: 1.5 pA

Voltage - Input Offset:: 390 µV

Current - Supply:: 2.1mA (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:: Surface Mount

Supplier Device Package:: 14-SOIC

TLC074IDR FAQ

1.How can I place an order for TLC074IDR through Aetrix?

Please submit a Request for Quotation (RFQ) for TLC074IDR 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 TLC074IDR reliable?

The price and inventory of TLC074IDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC074IDR is usually 5 days.

3.What payment methods are accepted for TLC074IDR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC074IDR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLC074IDR?

TLC074IDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLC074IDR 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 TLC074IDR?

For technical support, including TLC074IDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC074IDR requirements.

6.How does Aetrix verify that TLC074IDR is sourced from the original manufacturer or authorized distributors?

All TLC074IDR 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 TLC074IDR meets industry standards.

7.What is the process for return or replacement of TLC074IDR?

All TLC074IDR units undergo pre-shipment inspection (PSI). If there is an issue with TLC074IDR, 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 TLC074IDR part is unused and in its original packaging.

Return procedure for TLC074IDR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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