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ISL24201IRTZ データシート(PDF) 1 Page - Intersil Corporation |
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ISL24201IRTZ データシート(HTML) 1 Page - Intersil Corporation |
1 / 12 page 1 Programmable VCOM Calibrator with EEPROM ISL24201 The ISL24201 provides an 8-bit programmable current sink that is used in conjunction with an external voltage divider and buffer amplifier to generate a voltage source that is positioned between the analog supply voltage and ground. The current sink’s resolution is controlled by an external resistor, RSET, and the span of the VCOM voltage is controlled by the voltage divider resistor ratio and the source impedance of R1 and R2. This device has an 8-bit data register and 8-bit EEPROM for storing a volatile and a permanent value for its output. The ISL24201 has an I2C bus interface that is used to read and write to its registers and EEPROM. At power-up the EEPROM value is transferred to the data register and output. The ISL24201 is available in an 8 Ld 3mm x 3mm TDFN package. This package has a maximum height of 0.8mm for very low profile designs. The ambient operating temperature range is -40°C to +85°C. Features • 8-bit, 256-Step, Adjustable Sink Current Output • 4.5V to 18V Analog Supply Voltage Operating Range • 2.25V to 3.6V Logic Supply Voltage Operating Range • 400kHz, I2C Interface • On-Chip 8-Bit EEPROM • Output Guaranteed Monotonic Over-Temperature • Pb-free (RoHS-compliant) Applications •LCD Panel VCOM Generator • Electrophoretic Display VCOM Generator • Resistive Sensor Driver • Low Power Current Loop Related Literature • See AN1621 for ISL24201 Evaluation Board Application Note “ISL24201IRTZ-EVALZ Evaluation Board User Guide” Typical Application MICRO- CONTROLLER ISL24201 SCL SDA WP OUT SET 3.3V VDD AVDD 8 5 4 3 7 6 1 2 RSET R1 R2 LCD PANEL VCOM I2C PORT I/O PIN EL5411T FIGURE 1. APPLICATION SHOWING ISL24201 WITH A BUFFER AMPLIFIER December 9, 2010 FN7586.1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2010. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. |
同様の部品番号 - ISL24201IRTZ |
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同様の説明 - ISL24201IRTZ |
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