ISL24202 Datasheet PDF - Intersil
| Part Number | ISL24202 | |
| Description | Programmable Vcom Calibrator | |
| Manufacturers | Intersil | |
| Logo |  |
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There is a preview and ISL24202 download ( pdf file ) link at the bottom of this page. Total 12 Pages | ||
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Programmable VCOM Calibrator with EEPROM
ISL24202
Features
The ISL24202 is an 8-bit programmable current sink that can be
used in conjunction with an external voltage divider to generate a
voltage source (VCOM) positioned between the analog supply
voltage and ground. The current sink’s full-scale range is
controlled by an external resistor, RSET. With the appropriate
choice of external resistors R1 and R2, the VCOM voltage range
can be controlled between any arbitrary voltage range. The
ISL24202 has an 8-bit data register and 8-bit EEPROM for storing
both a volatile and a permanent value for its output, accessible
through a single up/down counter interface pin (CTL). After the
part is programmed with the desired VCOM value, the Counter
Enable pin (CE) can be grounded to prevent further changes. On
every power-up the EEPROM contents are automatically
transferred to the data register, and the pre-programmed output
voltage appears at the VOUT pin.
The ISL24202 can be used with a high output drive buffer
amplifier, which allows it to directly drive the VCOM input of an
LCD panel.
The ISL24202 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.
• Adjustable 8-Bit, 256-Step, Current Sink Output
• On-Chip 8-Bit EEPROM
• Up/Down Counter Interface
• Guaranteed Monotonic Over-Temperature
• 4.5V to 19.0V Analog Supply Range for Normal Operation
(10.8V Minimum Analog Supply Voltage for Programming)
• 2.25V to 3.6V Logic Supply Voltage Operating Range
• Pb-free (RoHS-Compliant)
• Ultra-Thin 8 Ld TDFN (3 x 3 x 0.8mm Max)
Applications
• LCD Panel VCOM Generator
• Electrophoretic Display VCOM Generator
Related Literature
• See AN1633 for ISL24202 Evaluation Board Application Note
“ISL24202IRTZ-EVALZ Evaluation Board User Guide” (Coming
Soon)
VDD
AVDD
MICRO-
CONTROLLER
I/O PIN*
I/O PIN
52
6
CTL
7
CE
ISL24202
1
OUT
R1
R2
LCD PANEL
VCOM
* 0, 1, TRI-STATE
8
SET
EL5411T
RSET
4
FIGURE 1. TYPICAL ISL24202 APPLICATION
March 15, 2011
FN7587.0
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. 2011. 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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ISL24202
Electrical Specifications Test Conditions: VDD = 3.3V, AVDD = 18V, RSET = 5kΩ, R1 = 10kΩ, R2 = 10kΩ, (See Figure 5). Typicals are at
TA = +25°C. Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 6)
MAX
TYP (Note 6) UNITS
tH_REJ CTL High Pulse Rejection Width
tL_REJ CTL Low Pulse Rejection Width
tH_MIN CTL High Minimum Valid Pulse Width
200
tL_MIN CTL Low Minimum Valid Pulse Width
200
tMTC CTL Minimum Time Between Counts
10
VPROG CTL EEPROM Program Voltage (see Figure 9)
4.9
tPROG CTL EEPROM Programming Signal Time
200
tH_PROP CTL High-to-Mid to OUT Propagation Time
65
tL_PROP CTL Low-to-Mid to OUT Propagation Time
65
NOTE:
6. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
20
20
19
µs
µs
µs
µs
µs
V
µs
µs
µs
5 FN7587.0
March 15, 2011
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ISL24202 electronic component. |
| Information | Total 12 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ ISL24202.PDF Datasheet ] | |
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