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Description
FET-OUTPUT OPTOCOUPLER
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Description
The BroadcomRHCPL-7800A/HCPL-7800 (hereinafter referred to as HCPL-7800(A)), isolation amplifier family is designed for current sensing in electronic motor drives. In a typical implementation, motor currents flow through an external resistor and the resulting analog voltage drop is sensed by the HCPL-7800(A).A differential output voltage is created on the other side of the HCPL-7800(A) optical isolation barrier.This differential output voltage is proportional to the motor current and can be converted to a single-ended signal by using an op-amp as shown in the recommended application circuit. Because common-mode voltage swings of several hundred volts in tens of nanoseconds are common in modern switching inverter motor drives, the HCPL-7800(A) is designed to ignore very high common-mode transient slew rates (of at least 10 kV/μs).The high CMR capability of the HCPL-7800(A) isolation amplifier provides the precision and stability needed to accurately monitor motor current in high-noise motor control environments, providing for smoother control (less “torque ripple”) in various types of motor control applications.
The product can also be used for general analog signal isolation applications requiring high accuracy, stability, and linearity under similarly severe noise conditions.For general applications, use the HCPL-7800 (gain tolerance of : 3%). For precision applications, use the HCPL-7800A with part-to-part gain tolerance of± 1%.The HCPL-7800 (A) uses sigma-delta(Σ-Δ) analog-to-digital converter technology, chopper-stabilized amplifiers, and a fully differential circuit topology.
Together, these features deliver unequaled isolation-mode noise rejection, as well as excellent offset and gain accuracy and stability over time and temperature.This performance is delivered in a compact, auto-insertable, industry standard 8-pin DIP package that meets worldwide regulatory safety standards.(A gull-wing surface mount option #300 is also available).
Features
● 15 kV/μs common-mode rejection at VCM = 1000V
● Compact, auto-insertable standard 8-pin DIP package
● 0.00025-VV/℃ gain drift vs. temperature
● 0.3-mV input offset voltage
● 100-kHz bandwidth
● 0.004% nonlinearity
● Worldwide Safety Approval: UL 1577(3750 Vrms/1min.) and CSA, IEC/EN/DIN EN 60747-5-5
● Advanced Sigma-Delta (2-A)A/D converter technology
● Fully differential circuit topology
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
Preview of the first 3 pages of the data sheet
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282 buyer reviews from Canada
Christopher Taylor
Length of registration:7 years
The HCPL-7800-000E is an integrated circuit that is designed to provide high-speed, high-efficiency signal transmission. It is ideal for applications that require a high degree of accuracy and reliability. The HCPL-7800-000E is capable of providing up to 25 Mbps data rate and is also equipped with a low-power shutdown mode for energy savings. It is an excellent choice for applications that require
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03/17/2023
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HCPL-7800-000E
HCPL-7800-000E has several brands around the world that may have alternate names for HCPL-7800-000E due to regional differences or acquisition. HCPL-7800-000E may also be known as the following names:
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