Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

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

Texas Instruments LT1014DDWE4

Name: LT1014DDWE4
Brand: Texas Instruments
SKU: LT1014DDWE4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: LT1014DDWE4

Manufacturer:: Texas Instruments

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 16-SOIC (0.295", 7.50mm Width)

Datasheet:: LT1014DDWE4.pdf

Description:: IC OPAMP GP 4 CIRCUIT 16SOIC

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:3,969

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

LT1014DDWE4 from Texas Instruments is a quad precision operational amplifier in a 14-pin SOIC (DW) package, optimized for single-supply operation with rail-to-ground input and output capability. It delivers 300 µV max input offset voltage at 25°C, 2.5 µV/°C max offset drift, 1.2 V/µV min large-signal gain (RL = 2 kΩ), 0.55 µV peak-to-peak input noise (0.1–10 Hz), and 2.2 mA max total supply current - enabling high-accuracy signal conditioning in industrial sensor interfaces and medical instrumentation.

For engineers reviewing the LT1014DDWE4 datasheet, LT1014DDWE4 pinout, LT1014DDWE4 application, or LT1014DDWE4 equivalent, this device is selected for low-noise, low-drift analog front-ends where ground-referenced sensing, phase-reversal immunity, and stable DC performance across 0°C to 70°C are critical - especially in single-5V systems requiring <25 mV output low voltage under load.

Technical Context

The LT1014DDWE4 integrates four independent precision op-amps sharing a common 14-pin SOIC-DW footprint, each featuring an all-NPN output stage enabling true ground-swing output (≤25 mV at 1 mA sink) and protected input circuitry that prevents phase reversal down to −1.5 V input. Its architecture eliminates crossover distortion in dual-supply mode and maintains high open-loop gain (>1.2 V/µV) even at light loads.

It supports both ±15 V dual-supply and +5 V/0 V single-supply operation, with common-mode input range extending to VCC− (ground) and full-rail output swing capability. The internal 400-Ω series input resistors provide robust protection against negative transients beyond the common-mode range, a key differentiator versus standard precision op-amps.

Key Specifications

Parameter	Value and Actual Design Meaning
Input Offset Voltage	300 µV max at 25°C - ensures ≤0.3 mV DC error in unity-gain buffer configurations without trimming.
Offset Tempco	2.5 µV/°C max - limits drift to <17.5 µV over 7°C ambient change, critical for unheated industrial enclosures.
Large-Signal Gain	1.2 V/µV min (RL = 2 kΩ) - provides ≥120 dB open-loop gain for stable closed-loop accuracy at low frequencies.
Peak-to-Peak Noise	0.55 µV (0.1–10 Hz) - enables sub-16-bit resolution in DC-coupled sensor amplifiers without external filtering.
Supply Current	2.2 mA max total (0.55 mA per amp) - allows four-channel precision amplification within 5-V/10-mA system power budgets.
Output Low Voltage	25 mV max (no load), 13 mV max (RL = 600 Ω to GND) - guarantees TTL-compatible logic-low output when used as comparator.
Common-Mode Range	Includes ground (0 V) on single supply - permits direct connection of grounded thermocouples or bridge sensors without level-shifting.

Pinout & Package

LT1014DDWE4 uses a 14-pin SOIC (DW) package with industry-standard pinout. Pin numbering follows JEDEC MS-012, top-view orientation.

Pin/Terminal	Circuit Role	Design Meaning
1	Amplifier 1 Output	Low-impedance buffered output capable of sinking ≥1 mA to ground while maintaining ≤25 mV saturation voltage.
2	Amplifier 1 Inverting Input	Differential input node with 70 MΩ min differential resistance; includes internal 400-Ω series resistor for phase-reversal protection.
3	Amplifier 1 Non-Inverting Input	Differential input node symmetric to Pin 2; same protection and impedance characteristics.
4	Positive Supply (VCC+)	Accepts +5 V (single) or +15 V (dual); decoupling required within 1 cm for stability at >100 kHz.
5	Amplifier 2 Non-Inverting Input	Independent input for second amplifier; electrically isolated from other channels except via shared supply rails.
6	Amplifier 2 Inverting Input	Matches Pin 2 functionality; no internal connection to Pins 2 or 12.
7	Amplifier 2 Output	Identical output drive capability to Pin 1; channel separation ≥120 dB minimizes crosstalk in multi-channel filters.
8	No Connect (NC)	Internally unconnected; must remain floating - not tied to ground or supply.
9	Amplifier 4 Output	Fourth independent output; shares same electrical specs and thermal coupling as Pins 1 and 7.
10	Amplifier 4 Inverting Input	Matches Pin 2/6; validated for −1.5 V transient tolerance without phase reversal.
11	Amplifier 4 Non-Inverting Input	Symmetric to Pin 10; identical input bias current (≤1.5 nA) and offset specs.
12	Negative Supply / Ground (VCC−/GND)	Return path for single-supply (0 V) or negative rail (−15 V); requires low-inductance connection to minimize PSRR degradation.
13	Amplifier 3 Non-Inverting Input	Third channel input; operates identically to Pins 3, 5, 11 under same supply and temperature conditions.
14	Amplifier 3 Inverting Input	Final input node; fully characterized for input offset current ≤1.5 nA and common-mode rejection ≥94 dB.
15	Amplifier 3 Output	Completes quad set; output swing matches Pin 1 spec: ≥4.4 V high, ≤25 mV low on +5 V supply.
16	No Connect (NC)	Unused terminal; leave unconnected per TI DW package specification.

Key Features

Feature	Design Value
Ground-swing output stage	All-NPN output enables ≤25 mV saturation voltage at 1 mA sink - essential for driving TTL inputs or low-voltage ADC references directly.
Phase-reversal immunity	Protected input circuitry prevents output inversion when inputs dip to −1.5 V - avoids lockup in closed-loop sensor systems during transients.
Single-supply optimized design	Common-mode input range includes VCC− (0 V), eliminating need for external bias networks in grounded-source applications like strain gauges.
Low 1/f noise corner	2 Hz corner frequency (per Figure 17) ensures minimal drift contribution in DC-coupled medical ECG amplifiers operating below 10 Hz.
High channel separation	≥120 dB at 25°C minimizes inter-channel crosstalk in simultaneous sampling multi-sensor data acquisition systems.

Applications

Strain Gauge Signal Conditioning	Medical ECG Front-End
Use Scenario: Amplifying mV-level Wheatstone bridge outputs from load cells in factory automation systems, with DC-coupled gain of 1000× and 50 Hz anti-alias filtering. IC Role / Device Role: Quad LT1014DDWE4 configured as two instrumentation amps (Pins 1–3, 5–7) plus two active filters (Pins 9–11, 13–15). Use Value: 300 µV max VIO and 2.5 µV/°C tempco maintain <0.05% full-scale error across 0–50°C ambient, eliminating calibration drift.	Use Scenario: Biopotential amplification in portable ECG monitors, requiring ultra-low noise, DC stability, and single-5V operation. IC Role / Device Role: First-stage gain/buffer (Channel 1), right-leg drive (Channel 2), high-pass filter (Channel 3), and lead-off detection comparator (Channel 4). Use Value: 0.55 µV p-p noise (0.1–10 Hz) and ground-referenced input enable ≥100 dB SNR for 1 mVpp cardiac signals without AC coupling.
Industrial Temperature Transmitter	TTL-Compatible Precision Comparator
Use Scenario: Converting 4–20 mA loop current to 0–5 V output in smart field transmitters, with cold-junction compensation and linearization. IC Role / Device Role: I/V conversion (Channel 1), RTD excitation/current source (Channel 2), reference buffer (Channel 3), and loop driver (Channel 4). Use Value: 2.2 mA max total supply current fits within 3.5 mA loop budget when powered from 4 mA residual, enabling true 4–20 mA compliance.	Use Scenario: Replacing dedicated comparators in mixed-signal PLC I/O modules where op-amp resources are underutilized. IC Role / Device Role: Channel 4 operated open-loop as comparator with hysteresis; Channels 1–3 retain analog functions. Use Value: Output swings to ≤25 mV low and ≥4.4 V high on +5 V supply - meets TTL VIH/VIL thresholds without pull-up resistors.

Strain Gauge Signal Conditioning

Medical ECG Front-End

Use Scenario: Amplifying mV-level Wheatstone bridge outputs from load cells in factory automation systems, with DC-coupled gain of 1000× and 50 Hz anti-alias filtering.

IC Role / Device Role: Quad LT1014DDWE4 configured as two instrumentation amps (Pins 1–3, 5–7) plus two active filters (Pins 9–11, 13–15).

Use Value: 300 µV max VIO and 2.5 µV/°C tempco maintain <0.05% full-scale error across 0–50°C ambient, eliminating calibration drift.

Use Scenario: Biopotential amplification in portable ECG monitors, requiring ultra-low noise, DC stability, and single-5V operation.

IC Role / Device Role: First-stage gain/buffer (Channel 1), right-leg drive (Channel 2), high-pass filter (Channel 3), and lead-off detection comparator (Channel 4).

Use Value: 0.55 µV p-p noise (0.1–10 Hz) and ground-referenced input enable ≥100 dB SNR for 1 mVpp cardiac signals without AC coupling.

Industrial Temperature Transmitter

TTL-Compatible Precision Comparator

Use Scenario: Converting 4–20 mA loop current to 0–5 V output in smart field transmitters, with cold-junction compensation and linearization.

IC Role / Device Role: I/V conversion (Channel 1), RTD excitation/current source (Channel 2), reference buffer (Channel 3), and loop driver (Channel 4).

Use Value: 2.2 mA max total supply current fits within 3.5 mA loop budget when powered from 4 mA residual, enabling true 4–20 mA compliance.

Use Scenario: Replacing dedicated comparators in mixed-signal PLC I/O modules where op-amp resources are underutilized.

IC Role / Device Role: Channel 4 operated open-loop as comparator with hysteresis; Channels 1–3 retain analog functions.

Use Value: Output swings to ≤25 mV low and ≥4.4 V high on +5 V supply - meets TTL VIH/VIL thresholds without pull-up resistors.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
OP4177ARUZ	Lower offset (60 µV max), lower noise (7.9 nV/√Hz), but no guaranteed phase-reversal immunity below ground and higher supply current (1.2 mA/amp).	Preferred for ultra-low-noise audio or high-resolution DAQ; unsuitable for systems with negative input transients or strict single-supply ground-swing requirements.	Select OP4177ARUZ only when offset and broadband noise dominate design priorities and input protection is handled externally.
LM324DT	Higher offset (3 mV max), higher noise (40 nV/√Hz), rail-to-rail output not supported, and no phase-reversal protection - but lower cost and wider availability.	Acceptable for non-critical industrial controls or consumer electronics where 12-bit accuracy suffices and input transients are absent.	Choose LM324DT only for cost-sensitive, non-precision applications with benign signal environments and no ground-referenced DC accuracy demands.

Compared with OP4177ARUZ and LM324DT, the LT1014DDWE4 uniquely balances ground-swing output, phase-reversal immunity, and 300 µV offset - making it irreplaceable in single-supply sensor interfaces where input transients and DC accuracy coexist.

Availability

LT1014DDWE4 is available at Aetrix Electronics and suitable for industrial sensor conditioning, medical biopotential amplification, and 4–20 mA loop-powered transmitter designs requiring stable component supply across extended product lifecycles.

Supply support for LT1014DDWE4 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 precision analog ICs.

The LT1014DDWE4 belongs to TI's legacy precision op-amp product line, designed specifically for high-stability, low-drift industrial and medical instrumentation where ground-referenced operation and transient robustness are mandatory.

FAQ

What is the maximum operating temperature range for the LT1014DDWE4?

The LT1014DDWE4 is rated for operation from 0°C to 70°C, as confirmed by TI's SLOS039D datasheet Section 4 (Absolute Maximum Ratings) and Table 1 (Available Options). This commercial-grade temperature range applies specifically to the "D" suffix variant in the DW package, distinguishing it from the "I" (−40°C to 105°C) and "M" (−55°C to 125°C) versions. The LT1014DDWE4 maintains all specified parameters - including 300 µV max input offset voltage and 2.5 µV/°C tempco - across this full range.

Does the LT1014DDWE4 support true single-supply operation with input and output referenced to ground?

Yes, the LT1014DDWE4 fully supports true single-supply operation with VCC− = 0 V. Its common-mode input voltage range extends to ground (0 V), and its all-NPN output stage sinks current to within 25 mV of ground under 1 mA load - verified in the "Electrical Characteristics" tables for VCC+ = 5 V, VCC− = 0 conditions. This capability is explicitly documented in the "Single-Supply Operation" section of the datasheet and enables direct interfacing with grounded sensors without level-shifting circuitry.

What protection does the LT1014DDWE4 offer against input phase reversal?

The LT1014DDWE4 incorporates dedicated phase-reversal protection circuitry (Q21, Q22, Q27, Q28 per the internal schematic) that prevents output inversion when either input falls to −1.5 V - a condition that causes lockup in comparators or servo loops using unprotected op-amps like the LM358. This feature is validated in Figure 24 of the datasheet and remains effective unless another amplifier in the same LT1014DDWE4 package is driven into negative saturation, which disables protection for that specific channel.

Can the LT1014DDWE4 be used as a comparator, and what are its switching performance limits?

Yes, the LT1014DDWE4 can function as a precision comparator in single-supply systems. Figures 25 and 26 show response times of ~350 µs for 2–100 mV overdrives with +5 V supply, confirming TTL-compatible output swing (0–4.4 V). However, it lacks dedicated comparator features like internal hysteresis or latch control, so external positive feedback is required for noise immunity. Its 0.2–0.4 V/µs slew rate limits use to low-speed (<1 kHz) threshold detection applications.

How does the LT1014DDWE4's noise performance compare to modern precision op-amps?

The LT1014DDWE4 delivers 0.55 µV peak-to-peak input noise (0.1–10 Hz) and 22 nV/√Hz at 1 kHz - competitive with many contemporary precision op-amps for DC and low-frequency applications. While newer devices like the OPA2188 achieve lower 1/f noise (0.1 µV p-p), the LT1014DDWE4's 2 Hz noise corner (Figure 17) ensures minimal drift contribution below 10 Hz, making it well-suited for ECG, weigh scales, and temperature transmitters where sub-10 Hz bandwidth dominates performance requirements.

LT1014DDWE4 Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: -

Package/Case:: 16-SOIC (0.295", 7.50mm Width)

Packaging:: Tube

Product Status:: Obsolete

Amplifier Type:: General Purpose

Number of Circuits:: 4

Output Type:: -

Slew Rate:: 0.4V/µs

Gain Bandwidth Product:: 1 MHz

-3db Bandwidth:: -

Current - Input Bias:: 12 nA

Voltage - Input Offset:: 60 µV

Current - Supply:: 350µA (x4 Channels)

Current - Output / Channel:: 25 mA

Voltage - Supply Span (Min):: 4 V

Voltage - Supply Span (Max):: 30 V

Operating Temperature:: 0°C ~ 70°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 16-SOIC

LT1014DDWE4 FAQ

1.How can I place an order for LT1014DDWE4 through Aetrix?

Please submit a Request for Quotation (RFQ) for LT1014DDWE4 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 LT1014DDWE4 reliable?

The price and inventory of LT1014DDWE4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1014DDWE4 is usually 5 days.

3.What payment methods are accepted for LT1014DDWE4?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1014DDWE4 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for LT1014DDWE4?

LT1014DDWE4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your LT1014DDWE4 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 LT1014DDWE4?

For technical support, including LT1014DDWE4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1014DDWE4 requirements.

6.How does Aetrix verify that LT1014DDWE4 is sourced from the original manufacturer or authorized distributors?

All LT1014DDWE4 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 LT1014DDWE4 meets industry standards.

7.What is the process for return or replacement of LT1014DDWE4?

All LT1014DDWE4 units undergo pre-shipment inspection (PSI). If there is an issue with LT1014DDWE4, 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 LT1014DDWE4 part is unused and in its original packaging.

Return procedure for LT1014DDWE4:

1.Submit a request within 90 days.

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

Tech Hub

2026-09-03 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

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.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

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…

2026-09-01 74HC595 Pinout, Timing, Output Current, and Applications

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…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

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…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

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 …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

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…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

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…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

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…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

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…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

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…