Features
- 128-step adjustable sink current output
- 2.25V to 3.6V logic supply voltage operating range (2.6V minimum programming voltage)
- 4.5V to 18V analog supply voltage operating range (10.8V minimum programming voltage)
- I2C interface with addresses 100111x and 100110x
- On-chip 7-bit EEPROM
- Output adjustment SET pin
- Output guaranteed monotonic over-temperature
- Thin 8 Ld 3mm x 3mm DFN (0.8mm max)
- Pb-free (RoHS compliant)
ISL45041 Functional Diagram
Description
The VCOM voltage of an LCD panel needs to be adjusted to remove flicker. This part provides a digital interface to control the sink current output that attaches to an external voltage divider. The increase in output sink current lowers the voltage on the external divider, which is applied to an external VCOM buffer amplifier. The desired VCOM setting is loaded from an external source via a standard 2-wire I2C serial interface. At power-up, the part automatically comes up at the last programmed EEPROM setting. An external resistor attaches to the SET pin and sets the full-scale sink current that determines the lowest voltage of the external voltage divider. The ISL45041 is available in an 8 Ld 3mm x 3mm TDFN package with a maximum thickness of 0.8mm for ultra-thin LCD panel design. An evaluation kit complete with software to control the DCP from a computer is available.
Applications
- LCD panels
| Part Number | Status | Samples | Stock | RoHS | Package | Carrier Type | MOQ |
|---|---|---|---|---|---|---|---|
| ISL45041IRZ | Obsolete | N/A | Out of Stock | RoHS:EN | TDFN | Tube | 2000 |
| ISL45041IRZ-T | Obsolete | N/A | Out of Stock | RoHS:EN | TDFN | Reel | 6000 |
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- Application NotePDF 564 KB an1993 May 22, 2018AI-generated Summary: Voltage feedback (VFB) amplifiers use a differential input pair, a high-impedance stage, and an output buffer to convert input voltage differences into output voltage. The VFB amplifier's gain decreases at a dominant pole frequency due to compensation capacitors. Current feedback (CFB) amplifiers include a class AB input amplifier, current mirror, high-impedance stage, and output buffer. CFB amplifiers provide faster switching and higher slew rates by drawing charge/discharge currents directly from supply rails, unlike VFB amplifiers which are limited by biasing current sources.
- Product Change NoticePDF 151 KB PCN14009 Mar 13, 2014
- Product Change NoticePDF 223 KB PCN13060 Oct 30, 2013
- Product Change NoticePDF 269 KB PCN10127 Dec 17, 2010
- Application NotePDF 357 KB an1694 Jan 19, 2004AI-generated Summary: The document outlines the four fundamental internal blocks of an operational amplifier and presents a simple 2:1 stage circuit diagram. It includes important legal notices from Renesas Electronics regarding the use, liability, and intellectual property rights of their semiconductor products. The document clarifies product quality grades, intended applications, and restrictions on use in life-critical or hazardous systems. It emphasizes compliance with applicable laws and safety responsibilities when using Renesas products. Contact information for Renesas sales offices worldwide is also provided.
- Application NotePDF 298 KB an1208 Jan 19, 2004AI-generated Summary: The document outlines important legal disclaimers and usage guidelines for semiconductor products. It emphasizes user responsibility for product design, liability disclaimers from Renesas Electronics, and restrictions on product modification or reverse engineering. It classifies products into Standard and High Quality grades, specifying intended applications and prohibiting use in life-critical or hazardous systems unless explicitly designated. Users must follow the latest product specifications, ensure compliance with laws and export controls, and implement safety measures against failures. Contact information for Renesas sales offices worldwide is provided.
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Datasheets (1)
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- Application NotePDF 564 KB an1993 May 22, 2018AI-generated Summary: Voltage feedback (VFB) amplifiers use a differential input pair, a high-impedance stage, and an output buffer to convert input voltage differences into output voltage. The VFB amplifier's gain decreases at a dominant pole frequency due to compensation capacitors. Current feedback (CFB) amplifiers include a class AB input amplifier, current mirror, high-impedance stage, and output buffer. CFB amplifiers provide faster switching and higher slew rates by drawing charge/discharge currents directly from supply rails, unlike VFB amplifiers which are limited by biasing current sources.
- Application NotePDF 357 KB an1694 Jan 19, 2004AI-generated Summary: The document outlines the four fundamental internal blocks of an operational amplifier and presents a simple 2:1 stage circuit diagram. It includes important legal notices from Renesas Electronics regarding the use, liability, and intellectual property rights of their semiconductor products. The document clarifies product quality grades, intended applications, and restrictions on use in life-critical or hazardous systems. It emphasizes compliance with applicable laws and safety responsibilities when using Renesas products. Contact information for Renesas sales offices worldwide is also provided.
- Application NotePDF 298 KB an1208 Jan 19, 2004AI-generated Summary: The document outlines important legal disclaimers and usage guidelines for semiconductor products. It emphasizes user responsibility for product design, liability disclaimers from Renesas Electronics, and restrictions on product modification or reverse engineering. It classifies products into Standard and High Quality grades, specifying intended applications and prohibiting use in life-critical or hazardous systems unless explicitly designated. Users must follow the latest product specifications, ensure compliance with laws and export controls, and implement safety measures against failures. Contact information for Renesas sales offices worldwide is provided.
Application Notes & White Papers (3)
- Product Change NoticePDF 151 KB PCN14009 Mar 13, 2014
- Product Change NoticePDF 223 KB PCN13060 Oct 30, 2013
- Product Change NoticePDF 269 KB PCN10127 Dec 17, 2010
Product Notices (PCN, EOL, etc) (4)
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