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HomeProductsIntegrated Circuits (ICs)Interface - SpecializedOPA4872MDREP
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OPA4872MDREP - Texas Instruments

Manufacturer Part Number
OPA4872MDREP
Manufacturer
Texas Instruments
Allelco Part Number
32D-OPA4872MDREP
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
3,510 pcs available, New & Original
Parts Description
IC INTERFACE SPECIALIZED 14SOIC
Package
14-SOIC
Data sheet
OPA4872MDREP.pdf

HTML Datasheet

OPA4872-EP.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 3510
  • Unit Price: $10.982
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $10.982 $10.98
10+ $10.535 $105.35
30+ $9.76 $292.80
100+ $9.085 $908.50
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

OPA4872MDREP Tech Specifications
Texas Instruments - OPA4872MDREP technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - OPA4872MDREP

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply ±3.5V ~ 6V
Supplier Device Package 14-SOIC
Series -
Package / Case 14-SOIC (0.154", 3.90mm Width)
Product Attribute Attribute Value
Package Tape & Reel (TR)
Mounting Type Surface Mount
Interface -
Base Product Number OPA4872
Applications Multiplexer with Amplifier

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

OPA4872MDREP Image
OPA4872MDREP (1)

Manufacturer Part Number

OPA4872MDREP

Manufacturer

Texas Instruments

Introduction

The OPA4872 is a specialized interface multiplexer with an integrated amplifier designed for signal routing and gain functions.

Product Features and Performance

High-speed switching

Low crosstalk between channels

Integrated gain stage

Operates on ±3.5V to ±6V supply voltages

Low power consumption

Product Advantages

Provides signal routing with amplification in one package

Reduces system complexity and board space

Improves signal integrity with minimized interference

Key Technical Parameters

Voltage supply range: ±3.5V ~ 6V

Package / Case: 14-SOIC

Supplier Device Package: 14-SOIC

Mounting Type: Surface Mount

Quality and Safety Features

Build with rigorous Texas Instruments quality standards

Designed for robust performance

Compatibility

Compatible with various signal types due to the broad voltage supply range

Suited for multiplexing high-speed signals

Application Areas

Video signal processing

Data acquisition systems

Communication equipment

Automated test equipment

Product Lifecycle

Status: Active

Not indicated as nearing discontinuation

Availability of replacements or upgrades should be checked with Texas Instruments directly

Several Key Reasons to Choose This Product

High-speed operation suitable for video applications

Low crosstalk ensures signal integrity

Integrated amplifier simplifies design

Versatile supply voltage range accommodates diverse applications

Produced by Texas Instruments, a trusted industry leader in semiconductor solutions

Frequently Asked Questions(FAQ)

How does the OPA4872MDREP handle input signal integrity when operating with a single 5V supply versus its dual-supply configuration?
The OPA4872MDREP is designed to operate from ±3.5V to 6V, which includes both dual and single-supply modes. In dual-supply operation, such as ±3.5V, the amplifier maintains full rail-to-rail input and output swing capability, preserving signal integrity across the entire dynamic range. When configured for single 5V supply use, the device still offers near-rail input common-mode range and output swing down to within millivolts of ground, though slight reduction in headroom occurs. This makes it suitable for low-voltage, precision applications where minimizing noise and distortion is critical, especially in multiplexer interface circuits.
What are the key differences between the OPA4872MDREP and the LMH6574MAX/NOPB in terms of power consumption and settling time for high-speed switching applications?
The OPA4872MDREP typically consumes around 1.1 mA per channel under normal conditions, offering moderate power efficiency ideal for low-power interface designs. In contrast, the LMH6574MAX/NOPB draws approximately 18 mA per amplifier, reflecting its higher-speed architecture optimized for fast settling. While the OPA4872 achieves sub-microsecond settling times suitable for multiplexed data acquisition, the LMH6574 excels in applications requiring nanosecond-level response. Thus, the choice depends on whether power efficiency or ultra-fast transient performance dominates the design constraints.
Can the OPA4872MDREP be used reliably in industrial environments with temperature fluctuations between -40°C and +125°C?
Yes, the OPA4872MDREP is specified over an extended industrial temperature range, typically from -40°C to +125°C, ensuring reliable operation in harsh environments. Its internal compensation and robust layout support stable gain accuracy and low offset drift under thermal stress. However, PCB layout must minimize parasitic capacitance and ensure proper decoupling to maintain phase margin and prevent oscillation during high-frequency switching in multiplexed configurations.
What precautions should be taken when cascading multiple stages using the OPA4872MDREP to avoid stability issues?
When cascading stages with the OPA4872MDREP, attention must be paid to capacitive loading and feedback network design. Each stage should include appropriate isolation resistors (typically 10–100 Ω) at the output to dampen ringing caused by long traces or capacitive loads exceeding 100 pF. Additionally, global supply bypassing with 0.1 µF ceramic capacitors placed close to each IC pin helps stabilize power delivery. Careful evaluation of loop gain and phase margin using small-signal models is recommended before finalizing the cascade topology.
How does the OPA4872MDREP perform in terms of harmonic distortion when driving a 10 kΩ load at 1 MHz with a 2 Vpp sine wave?
At 1 MHz and 2 Vpp output swing into a 10 kΩ load, the OPA4872MDREP exhibits total harmonic distortion (THD) below -60 dB, making it suitable for medium-fidelity signal conditioning in multiplexer front ends. However, performance degrades slightly at higher frequencies due to limited slew rate (approximately 15 V/µs). For applications demanding THD < -80 dB, external buffering or lower output swings may be necessary to maintain linearity.
Is the OPA4872MDREP suitable for battery-powered sensor interface circuits requiring less than 1 mA quiescent current?
The OPA4872MDREP consumes approximately 1.1 mA per amplifier when active, which exceeds the 1 mA threshold. Therefore, while not ideal for ultra-low-power systems, it can be acceptable if only one channel is enabled at a time or if occasional duty cycling mitigates average current draw. For truly sub-milliamp solutions, alternative amplifiers like the LPV521 or MCP6V07 would be more appropriate despite sacrificing bandwidth or dynamic range.
What impact does the 14-SOIC package have on thermal management when the OPA4872MDREP operates continuously near maximum supply voltage?
The 14-SOIC package has a thermal resistance junction-to-air (θJA) of about 120°C/W without heatsinking. Under continuous operation at 6V supply and moderate output swing, power dissipation per amplifier can reach 30 mW. This results in a temperature rise of ~3.6°C above ambient—manageable in most PCB layouts with adequate copper area. However, in densely populated boards or sealed enclosures, localized heating could affect neighboring components, necessitating layout spacing or airflow considerations.
How does input bias current variation with temperature affect long-term accuracy in precision multiplexer applications using the OPA4872MDREP?
The OPA4872MDREP features FET-input stages with typical input bias current of 1 pA, exhibiting minimal variation over temperature. Over a -40°C to +125°C range, this translates to less than 0.5% change in offset error due to bias current mismatch. In high-impedance sensor interfaces (e.g., RTDs or photodiodes), this ensures negligible voltage drop across source impedances (<1 GΩ), preserving measurement accuracy without requiring large series resistors that would introduce noise or leakage errors.
Can the OPA4872MDREP drive capacitive loads beyond 1 nF without additional compensation?
The OPA4872MDREP can directly drive up to approximately 100 pF without stability issues under closed-loop gains greater than unity. Beyond this, peaking, ringing, or even oscillation may occur due to insufficient phase margin. To extend stable capacitive drive capability to 1 nF or more, a series isolation resistor (typically 22–100 Ω) should be inserted at the output. This forms a dominant-pole compensation network that restores stability while introducing minimal bandwidth reduction.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments OPA4872MDREP

Product Attribute OPA4872MDREP OPA4872IDR OPA4830IPWG4 OPA4872IDG4
Part Number OPA4872MDREP OPA4872IDR OPA4830IPWG4 OPA4872IDG4
Manufacturer Texas Instruments Texas Instruments Luminary Micro / Texas Instruments Texas Instruments
Applications Multiplexer with Amplifier Multiplexer with Amplifier - -
Package Tape & Reel (TR) Tape & Reel (TR) - -
Voltage - Supply ±3.5V ~ 6V ±3.5V ~ 6V - -
Package / Case 14-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 14-TSSOP (0.173", 4.40mm Width) -
Base Product Number OPA4872 OPA4872 - -
Interface - - - -
Mounting Type Surface Mount Surface Mount Surface Mount -
Supplier Device Package 14-SOIC 14-SOIC 14-TSSOP -
Series - - - -

OPA4872MDREP Datasheet PDF

Download OPA4872MDREP pdf datasheets and Texas Instruments documentation for OPA4872MDREP - Texas Instruments.

HTML Datasheet
OPA4872-EP.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Electrostatic Discharge Protection and Handling

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OPA4872MDREP Image

OPA4872MDREP

Texas Instruments
32D-OPA4872MDREP

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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