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AMC1200SDUBR 100% New & Original Isolation Amplifier 1 Circuit Differential 8-SOP

short description:

Isolation amplifiers or unit-gain amplifiers provide isolation from one part of a circuit to another. Therefore, power cannot be consumed, used, or wasted in the circuit. The main function of the amplifier is to increase the signal. The same input signal of the op amp is precisely transmitted out of the op amp as the output signal. These amplifiers are used to provide electrical safety barriers and isolation. These amplifiers protect patients from the effects of current outflow. They crack the ohmic continuity of the electrical signal between input and output, and can provide isolated power for input and output. As a result, low-level signals can be amplified.


Product Detail

Product Tags

Product Attributes

TYPE

DESCRIPTION

Category

Integrated Circuits (ICs)

Linear

Amplifiers

Instrumentation, OP Amps, Buffer Amps

Mfr

Texas Instruments

Series

-

Package

Tape & Reel (TR)

Cut Tape (CT)

Digi-Reel®

Product Status

Active

Amplifier Type

Isolation

Number of Circuits

1

Output Type

Differential

Slew Rate

-

-3db Bandwidth

100 kHz

Voltage - Input Offset

200 µV

Current - Supply

5.4mA

Current - Output / Channel

20 mA

Voltage - Supply Span (Min)

2.7 V

Voltage - Supply Span (Max)

5.5 V

Operating Temperature

-40°C ~ 105°C

Mounting Type

Surface Mount

Package / Case

8-SMD, Gull Wing

Supplier Device Package

8-SOP

Base Product Number

AMC1200

Documents & Media

RESOURCE TYPE

LINK

Datasheets

AMC1200(B) Datasheet

Featured Product

Data Converters

Flexible Brushless DC Motor Drive Solution

PCN Assembly/Origin

AMC1YYY/ISO105 15/May/2019

Manufacturer Product Page

AMC1200SDUBR Specifications

HTML Datasheet

AMC1200(B) Datasheet

EDA Models

AMC1200SDUBR by SnapEDA

RESOURCE TYPE

LINK

Datasheets

AMC1200(B) Datasheet

Environmental & Export Classifications

ATTRIBUTE

DESCRIPTION

RoHS Status

ROHS3 Compliant

Moisture Sensitivity Level (MSL)

3 (168 Hours)

REACH Status

REACH Unaffected

ECCN

EAR99

HTSUS

8542.33.0001

What is a isolation amplifier?

An isolated amplifier can be defined as one that does not have any conductive contact between the input and output parts. Thus, the amplifier provides ohmic isolation between the I/p and O/P terminals of the amplifier. This isolation must have less leakage as well as a large dielectric breakdown voltage. Typical resistance and capacitance values for the amplifier in the input and output terminals are that the resistor should have 10 Tera ohm and the capacitor should have 10 pF.

Isolation amplifier:

These amplifiers are often used when there is an extremely large common-mode voltage difference between the input and output sides. In this amplifier, there is no ohmic circuit from input to output.

Isolation amplifier design method

There are three design methods used for isolation amplifiers, including:

1. Transformer isolation

This type of isolation uses either PWM or frequency-modulated signals. Internally, the amplifier includes a 20 KHz oscillator, rectifier, filter, and transformer to power each isolation stage.

1). The rectifier is used as input to the main operational amplifier.

2). Connect the transformer to the power supply.

3). The oscillator is used as the input of the secondary operational amplifier.

4).LPF is used to remove components of other frequencies.

5). The advantages of transformer isolation mainly include high CMRR, linearity and accuracy.

Applications for transformer isolation include medical, nuclear and industrial applications.

2. Optical isolation

In this isolation, the l signal can be changed from a biological signal to an optical signal by an LED for further processing. In this case, the patient circuit is the input circuit, while the output circuit can be formed from the phototransistor. These circuits are powered by batteries. The i/p circuit  converts the signal into light, and the o/p circuit converts the light back into signal.

The advantages of optical isolation include:

1). By using it, we can get amplitude and raw frequency.

2). It is connected optically without a modulator or demodulator.

3). It improves patient safety.

Applications of transformer isolation include industrial process control, data acquisition, biomedical measurement, patient monitoring, interface components, test equipment, SCR control, etc.

3. Capacitor isolation

1). It uses frequency modulation and digital encoding of input voltage.

2). The input voltage can be changed to the relative charge on the switching capacitor.

3). It includes circuits such as modulator and demodulator.

4). Signals are sent through differential capacitive barriers.

5). For both parties, provide separately.

  The advantages of capacitive isolation include:

  1). This isolation can be used to eliminate ripple noise

  2). These are used to simulate the system

  3). It includes linearity and high gain stability.

  4). It has high immunity to magnetic noise

  5). By using it, you can avoid noise.

  Applications for capacitive isolation include data acquisition, interface components, patient monitoring, electroencephalography, and electrocardiogram.

Isolation Amplifier Applications:

These amplifiers are often used in applications such as signal conditioning. This may utilize different bipolar, CMOS and complementary bipolar amplifiers, including choppers, isolators, and instrumentation amplifiers.
Because some devices work by using a low power supply, otherwise batteries. The choice of isolation amplifier for different applications depends mainly on the power supply voltage characteristics of the amplifier.
Thus, this is what isolation amplifiers are all about, which can be used to isolate signals such as input and output through inductive coupling. These amplifiers use multiple channels to protect electrical and electronic components from overvoltages in different applications.


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