Datenblatt-Suchmaschine für elektronische Bauteile |
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ISL45041EVAL1Z Datenblatt(PDF) 2 Page - Intersil Corporation |
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ISL45041EVAL1Z Datenblatt(HTML) 2 Page - Intersil Corporation |
2 / 7 page 2 FN6189.4 December 17, 2010 Pin Descriptions PIN TYPE PULL U/D FUNCTION OUT Output Adjustable Sink Current Output Pin. The current that sinks into the OUT pin is equal to the DAC setting times the maximum adjustable sink current divided by 128. See SET pin function description for the maximum adjustable sink current setting. AVDD Supply High-Voltage Analog Supply. Bypass to GND with 0.1µF capacitor. WP Input Pull-Down Write Protect. Active Low. To enable programming, connect to 0.7*VDD supply or greater. The WP pin is designed for static control. It has an internal pull-down current sink. To avoid the possibly over-writing the EEPROM contents, no frequency above 1Hz should be applied to this input. Care should be taken to avoid any glitches on the input. When removing or applying mechanical jumpers, always ensure the VDD power is off. A high to low transition on the WP pin results in the register contents being loaded with EEPROM data. GND Supply Ground connection. VDD Supply Digital power supply input. Bypass to GND with 0.1µF capacitor. SDA In/Out I2C Serial Data Input and Output. SCL Input I2C Clock Input SET Analog Maximum Sink Current Adjustment Point. Connect a resistor from SET to GND to set the maximum adjustable sink current of the OUT pin. The maximum adjustable sink current is equal to (AVDD/20) divided by RSET. Block Diagram GND I2C INTERFACE DAC REGISTERS ANALOG DCP AND CURRENT SINK 7-BIT EEPROM SCL SDA WP VDD AVDD OUT SET 1 8 2 5 7 6 3 4 ISL45041 CURRENT SINK Q1 A1 ISL45041 |
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Ähnliche Beschreibung - ISL45041EVAL1Z |
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