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ISL24201IRTZ データシート(PDF) 1 Page - Intersil Corporation

部品番号 ISL24201IRTZ
部品情報  Programmable VCOM Calibrator with EEPROM Pb-free (RoHS-compliant)
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メーカー  INTERSIL [Intersil Corporation]
ホームページ  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL24201IRTZ データシート(HTML) 1 Page - Intersil Corporation

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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.


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