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Description
Analog Isolation Amplifier
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Features
● High Common Mode Rejection (CMR): 15 kV/μs at VCM = 1000 V
● 5% Gain Tolerance
● 0.1% Nonlinearity
● Low Offset Voltage and Offset Temperature Coefficient
● 100 kHz Bandwidth
● Performance Specified Over -40℃ to 85℃ Temperature Range
● Recognized Under UL 1577 and CSA Approved for Dielectric Withstand Proof Test Voltage of 2500 Vac, 1 Minute
● Standard 8-Pin DIP Package
Applications
● Motor Phase and Rail Current Sensing
● Inverter Current Sensing
● Switched Mode Power Supply Signal Isolation
● General Purpose Current Sensing and Monitoring
● General Purpose Analog Signal Isolation
Description
The HCPL-7840 isolation amplifier provides accurate, electrically isolated and amplified representations of voltage and current.
When used with a shunt resistor in the current path, the HCPL7840 offers superior reliability, cost effectiveness, size and autoinsertability compared with the traditional solutions such as current transformers and Hall-effect sensors.
The HCPL-7840 consists of a sigma-delta analog-to-digital converter optically coupled to a digital-to-analog converter. Superior performance in design critical specifications such as common-mode rejection, offset voltage, nonlinearity, operating temperature range and regulatory compliance make the HCPL-7840 the clear choice for designing reliable, lower-cost, reduced-size products such as motor controllers and inverters.
Common-mode rejection of 15 kV/μs makes the HCPL-7840 suitable for noisy electrical environments such as those generated by the high switching rates of power IGBTs.
Low offset voltage together with a low offset voltage temperature coefficient permits accurate use of auto-calibration techniques.
Gain tolerance of 5% with 0.1% nonlinearity further provide the performance necessary for accurate feedback and control.
A wide operating temperature range with specified performance allows the HCPL-7840 to be used in hostile industrial environments.
Preview of the first 3 pages of the data sheet
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10000 buyer reviews from United States
Lisa Edwards
Length of registration:7 years
The HCPL7840-500E integrated circuit is a great choice for applications requiring high-speed, high-current, and low-noise performance. It features a wide range of features, including a wide common-mode range, low propagation delay, and low input/output capacitance. This makes it ideal for applications such as motor control, power management, and industrial automation. I am very pleased with the pe
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03/17/2023
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Warranty
All UTSOURCE purchases have a 60 days money back return policy, plus a 90 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
HCPL7840
HCPL7840 has several brands around the world that may have alternate names for HCPL7840 due to regional differences or acquisition. HCPL7840 may also be known as the following names:
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Stock Status: 10000
Minimum: 2
Total Price:
Unit Price:1.97280
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