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HCPL-7800A-300 Fiches technique(PDF) 1 Page - Agilent(Hewlett-Packard) |
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HCPL-7800A-300 Fiches technique(HTML) 1 Page - Agilent(Hewlett-Packard) |
1 / 17 page 1-216 H High CMR Isolation Amplifiers Technical Data HCPL-7800 HCPL-7800A HCPL-7800B applications, we recommend the HCPL-7800 which exhibits a part-to-part gain tolerance of ± 5%. For precision applications, HP offers the HCPL-7800A and HCPL-7800B, each with part-to- part gain tolerances of ± 1%. The HCPL-7800 utilizes sigma- delta ( Σ∆) analog-to-digital converter technology, chopper stabilized amplifiers, and a fully differential circuit topology fabricated using HP’s 1 µm CMOS IC process. The part also couples our high-efficiency, high- speed AlGaAs LED to a high- speed, noise-shielded detector • Switch-Mode Power Supply Signal Isolation • General Purpose Analog Signal Isolation • Transducer Isolation Description The HCPL-7800 high CMR isolation amplifier provides a unique combination of features ideally suited for motor control circuit designers. The product provides the precision and stability needed to accurately monitor motor current in high- noise motor control environ- ments, providing for smoother control (less “torque ripple”) in various types of motor control applications. This product paves the way for a smaller, lighter, easier to produce, high noise rejection, low cost solution to motor current sensing. 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 CAUTION: It is advised that normal static precautions be taken in handling and assembly of this component to prevent damage and/or degradation which may be induced by ESD. Functional Diagram Features • 15 kV/ µs Common-Mode Rejection at V CM = 1000 V* • Compact, Auto-Insertable Standard 8-pin DIP Package • 4.6 µV/°C Offset Drift vs. Temperature • 0.9 mV Input Offset Voltage • 85 kHz Bandwidth • 0.1% Nonlinearity • Worldwide Safety Approval: UL 1577 (3750 V rms/1 min), VDE 0884 and CSA • Advanced Sigma-Delta ( Σ∆) A/D Converter Technology • Fully Differential Circuit Topology • 1 µm CMOS IC Technology Applications • Motor Phase Current Sensing • General Purpose Current Sensing • High-Voltage Power Source Voltage Monitoring *The terms common-mode rejection (CMR) and isolation-mode rejection (IMR) are used interchangeably throughout this data sheet. 1 2 3 4 8 7 6 5 VDD1 VIN+ VIN- GND1 VDD2 VOUT+ VOUT- GND2 CMR SHIELD I DD1 I DD2 I IN I O + + - - 5965-3592E |
Numéro de pièce similaire - HCPL-7800A-300 |
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Description similaire - HCPL-7800A-300 |
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