ISL24201IRTZ-EVALZ datasheet(5/12 Pages) INTERSIL

tên linh kiện	ISL24201IRTZ-EVALZ

Giải thích chi tiết về linh kiện	Programmable VCOM Calibrator with EEPROM

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ISL24201

5

FN7586.1

December 9, 2010

Application Information

The ISL24201 provides the ability to adjust the VCOM voltage

during production test and alignment, under digital control, to

minimize the flicker of an LCD panel. A digitally controlled

potentiometer (DCP), with 256 steps of resolution, adjusts the sink

current of the OUT pin. Figure 3 shows the VCOM adjustment using

a mechanical potentiometer circuit and the equivalent circuit

replacement with the ISL24201.

The output is connected to an external voltage divider, as shown in

Figure 3, so that the ISL24201 will have the ability to reduce the

voltage on the output by increasing the OUT pin sink current. The

amount of current sunk is controlled by the I2C serial interface.

I2C TIMING

fCLK

I2C Clock Frequency

400

kHz

tSCH

I2C Clock High Time

0.6

µs

tSCL

I2C Clock Low Time

1.3

µs

tDSP

I2C Spike Rejection Filter Pulse Width

050

ns

tSDS

I2C Data Set Up Time

250

ns

tSDH

I2C Data Hold Time

250

ns

tBUF

I2C Time Between Stop and Start

200

µs

tSTS

I2C Repeated Start Condition Set-up

0.6

µs

tSTH

I2C Repeated Start Condition Hold

0.6

µs

tSPS

I2C Stop Condition Set-up

0.6

µs

CSDA

SDA Pin Capacitance

10

pF

CS

SCL Pin Capacitance

10

pF

tW

EEPROM Write Cycle Time

100

ms

NOTE:

6. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.

Electrical Specifications Test Conditions: VDD = 3.3V, AVDD = 18V, RSET= 5kΩ, R1 = 10kΩ, R2 = 10kΩ, (See Figure 5); unless otherwise

specified. 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)

TYP

MAX

(Note 6)

UNITS

OUT

SET

ISL24201

or

ISL24202

R1

R2

AVDD

VCOM

IOUT

VDD

RSET

RA

RC

AVDD

VCOM

RB

R1 = RA

R2 = RB+RC

RSET = RARB + RARC

20RB

FIGURE 3. MECHANICAL ADJUSTMENT REPLACEMENT

Số phần tương tự - ISL24201IRTZ-EVALZ

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Intersil Corporation	ISL24201IRTZ-EVALZ	468Kb / 12P	Programmable VCOM Calibrator with EEPROM Pb-free (RoHS-compliant)
Renesas Technology Corp	ISL24201IRTZ-EVALZ	609Kb / 12P	Programmable VCOM Calibrator with EEPROM

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Renesas Technology Corp	ISL24202	576Kb / 12P	Programmable VCOM Calibrator with EEPROM
Intersil Corporation	ISL24202	437Kb / 12P	Programmable VCOM Calibrator with EEPROM
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