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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - Special PurposeAMC1202DWVR
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AMC1202DWVR - Texas Instruments

Manufacturer Part Number
AMC1202DWVR
Manufacturer
Texas Instruments
Allelco Part Number
32D-AMC1202DWVR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
7,316 pcs available, New & Original
Parts Description
PRECISION, 50-MV-INPUT, BASIC IS
Package
8-SOIC
Data sheet
AMC1202DWVR.pdf

Datasheets

AMC1202.pdf
RoHs Status
 
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Our certification
In stock: 7316
  • Unit Price: $3.978
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $3.978 $3.98
10+ $3.885 $38.85
30+ $3.823 $114.69
100+ $3.761 $376.10
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

AMC1202DWVR Tech Specifications
Texas Instruments - AMC1202DWVR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - AMC1202DWVR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Type Isolated
Supplier Device Package 8-SOIC
Series -
Product Attribute Attribute Value
Package / Case 8-SOIC (0.295", 7.50mm Width)
Package Tape & Reel (TR)
Mounting Type Surface Mount
Applications DC/DC Converter

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status Not applicable
Moisture Sensitivity Level (MSL) 3 (168 Hours)
ECCN EAR99

Parts Introduction

AMC1202DWVR Image
AMC1202DWVR (1)

Manufacturer Part Number

AMC1202DWVR

Manufacturer

Texas Instruments

Introduction

The AMC1202DWVR is a high-performance, low-power, isolated amplifier from Texas Instruments designed for use in DC/DC converter applications.

Product Features and Performance

Isolated amplifier with high common-mode rejection ratio (CMRR) and precision

Low offset voltage, low drift, and low noise

High gain bandwidth product

Wide operating voltage range from 4.5V to 18V

Low power consumption

Product Advantages

Excellent isolation between input and output

Robust and reliable performance

Suitable for a variety of DC/DC converter applications

Compact 8-SOIC package for space-constrained designs

Key Technical Parameters

Supply voltage range: 4.5V to 18V

Offset voltage: ±0.5mV (max)

Offset voltage drift: ±5μV/°C (max)

CMRR: 100dB (min)

Gain bandwidth product: 1MHz

Quality and Safety Features

RoHS compliant

Designed and manufactured to high quality standards

Compatibility

Suitable for use in a wide range of DC/DC converter applications

Application Areas

Industrial automation

Instrumentation

Medical equipment

Power supplies

Telecommunications equipment

Product Lifecycle

The AMC1202DWVR is an active product and is currently available.

Replacements or upgrades may be available in the future.

Key Reasons to Choose This Product

Excellent isolation performance for reliable operation in DC/DC converter applications

Low power consumption and compact packaging for space-constrained designs

Robust and reliable performance with high-quality design and manufacturing

Suitable for a wide range of industrial, instrumentation, and telecom applications

Frequently Asked Questions(FAQ)

What are the key performance trade-offs when using the AMC1202DWVR for high-speed signal isolation in industrial motor control applications?
The AMC1202DWVR offers a 50-mV input threshold, which enables precise detection of small differential voltages but requires careful layout to minimize noise coupling. While its bandwidth supports signals up to several hundred kHz, designers must balance speed against power consumption—higher gain settings improve sensitivity but can reduce bandwidth and increase propagation delay. In motor control systems, this translates to tighter current regulation but demands robust filtering at the input stage to prevent false triggering due to EMI.
How does the AMC1202DWVR compare to the AMC1301M05 in terms of isolation voltage and output drive capability for 3.3V logic interfacing?
The AMC1202DWVR provides 2.5 kV RMS isolation and delivers a digital output directly compatible with 3.3V CMOS logic levels, whereas the AMC1301M05 offers higher isolation (5 kV RMS) and analog output requiring an external ADC. For 3.3V systems where digital integration is preferred, the AMC1202DWVR simplifies system architecture by eliminating the need for additional level-shifting circuitry, though it lacks the AMC1301’s built-in analog-to-digital conversion functionality.
What layout considerations are critical when implementing the AMC1202DWVR on a PCB to maintain signal integrity and meet EMC standards?
Maintaining a clean ground plane beneath the AMC1202DWVR package is essential to prevent capacitive coupling between the primary and secondary sides. Keep input traces short and routed away from high-frequency switching nodes to avoid noise injection through parasitic capacitance. A minimum creepage distance of 8 mm should be observed across the isolation barrier if placed near other components. Additionally, decoupling capacitors should be placed within 5 mm of the VDD pins to suppress transient currents during fast edge transitions.
Can the AMC1202DWVR operate reliably in environments with sustained temperature cycling between -40°C and +105°C typical of automotive sensor interfaces?
Yes, the device is rated for operation from -40°C to +125°C, exceeding the specified automotive range. However, thermal stress during repeated cycling may affect solder joint reliability over time, especially in lead-free assemblies. Designers should ensure adequate copper mass around the 8-SOIC pads and avoid placing the AMC1202DWVR adjacent to components generating significant heat, such as buck converters or microcontrollers with high active current draw.
Is it possible to cascade multiple AMC1202DWVR stages to achieve deeper isolation in multi-protocol communication systems?
Cascading the AMC1202DWVR is generally not recommended due to cumulative propagation delay and increased risk of timing mismatches in synchronous protocols like SPI or I²C. Each stage introduces approximately 50 ns of delay, which can violate setup/hold times in high-speed serial links. Instead, use a single-stage solution or consider dedicated isolated transceivers like the ISO77xx family for multi-protocol isolation needs.
What happens if the input voltage exceeds the AMC1202DWVR’s specified common-mode range during transient events?
Exceeding ±135 V on the input side can damage the internal protection diodes unless external clamping circuits are used. Although the device includes basic ESD protection per IEC 61000-4-2 Level 2, it lacks integrated overvoltage protection. Therefore, in high-inductance environments such as relay coils or inductive loads, transient suppression components like TVS diodes must be added at the input to limit voltage excursions within safe limits.
How does the AMC1202DWVR handle electromagnetic interference (EMI) from nearby power electronics compared to optocoupler-based isolators?
The AMC1202DWVR demonstrates superior immunity to conducted and radiated EMI due to its capacitive isolation structure and high common-mode transient immunity (CMTI > 25 kV/µs). Optocouplers typically exhibit lower CMTI (< 50 kV/µs) and slower response times, making them more susceptible to fast transients common in switch-mode power supplies. This makes the AMC1202DWVR more suitable for noisy industrial environments where rapid common-mode changes occur.
What impact does supply voltage variation have on the AMC1202DWVR’s output accuracy when powered from a noisy 5V regulator?
The AMC1202DWVR features internal reference stabilization, so its output threshold remains stable over a 4.5V to 5.5V supply range. However, large voltage dips below 4.7V may cause temporary loss of output assertion due to insufficient internal bias current. In systems with unstable supplies, adding local bulk capacitance (e.g., 10 µF ceramic + 100 µF electrolytic) near the VDD pin helps maintain transient headroom and ensures reliable switching behavior under load steps.
Are there known limitations when using the AMC1202DWVR with floating ground configurations in battery-powered monitoring systems?
Floating grounds introduce challenges due to potential differences that can exceed the device’s absolute maximum ratings. The AMC1202DWVR allows up to ±135 V on the input side relative to ground, but sustained offsets beyond ±100 V require careful system grounding strategy. To avoid latch-up or degradation, ensure that neither side of the isolation barrier experiences continuous DC offset exceeding design margins. Use balanced differential signaling and avoid unidirectional current flow across the isolation gap to preserve long-term reliability.
Why might the AMC1202DWVR be preferred over simpler comparator-based isolators in precision current-sensing applications?
Unlike basic comparator isolators that lack hysteresis and precise threshold control, the AMC1202DWVR incorporates a trimmed internal reference with 0.5% typical accuracy. This enables consistent tripping at exactly 50 mV across temperature and production lots, reducing calibration overhead. In current-sensing scenarios using shunt resistors (e.g., 10 mΩ shunts producing 50 mV at 5 A), this precision avoids misdiagnosis of fault conditions caused by component tolerances or drift.
Does the AMC1202DWVR support hot-swapping of the isolated interface without risking damage to the microcontroller?
Hot-swapping is not inherently supported due to potential inrush current through the ESD protection diodes during insertion. If hot-plugging is required, series resistors (e.g., 100 Ω) on the input lines help limit peak current, and a soft-start circuit on the supply rail can prevent voltage sag on the secondary side. Without these mitigations, repeated hot-swaps may degrade protection diode performance over time, leading to reduced reliability.
How does package selection (SOIC vs wider-body alternatives) influence thermal performance when driving high-impedance loads with the AMC1202DWVR?
The standard 8-SOIC package has limited exposed thermal pad options, resulting in moderate thermal resistance (~120°C/W junction-to-air). When sourcing significant current (>1 mA) into capacitive loads or long transmission lines, self-heating becomes negligible. However, in compact designs with poor airflow, prolonged high-output states could slightly elevate junction temperature—though well within operational limits. No direct heatsinking is needed under normal conditions, but avoid stacking densely populated boards to maintain convective cooling.
What role does the AMC1202DWVR play in enabling safety-certified designs according to IEC 60601 or ISO 26262?
As an isolation IC, the AMC1202DWVR contributes to functional safety by providing reinforced insulation between hazardous and low-voltage circuits. Its 2.5 kV RMS isolation meets basic requirements for medical and automotive auxiliary circuits when combined with proper PCB spacing and creepage paths per relevant standards. However, full certification requires additional analysis including fault tree assessment, lifetime testing, and documentation demonstrating compliance beyond datasheet parameters—such as long-term dielectric withstand under humidity conditions.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments AMC1202DWVR

Product Attribute AMC1202DWVR AMC1200BDWV AMC1203BPSA AMC1203BDUBR
Part Number AMC1202DWVR AMC1200BDWV AMC1203BPSA AMC1203BDUBR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Package / Case 8-SOIC (0.295", 7.50mm Width) 8-SOIC (0.295", 7.50mm Width) 8-SOIC (0.209", 5.30mm Width) 8-SMD, Gull Wing
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Applications DC/DC Converter - - -
Supplier Device Package 8-SOIC 8-SOIC 8-SOP 8-SOP
Package Tape & Reel (TR) Tube Tube Tape & Reel (TR)
Type Isolated - - -
Series - - - -

AMC1202DWVR Datasheet PDF

Download AMC1202DWVR pdf datasheets and Texas Instruments documentation for AMC1202DWVR - Texas Instruments.

Datasheets
AMC1202.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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Delivery Cost

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(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
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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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AMC1202DWVR Image

AMC1202DWVR

Texas Instruments
32D-AMC1202DWVR

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

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