EL5325AIREZ Intersil, EL5325AIREZ Datasheet

EL5325AIREZ

Manufacturer Part Number

EL5325AIREZ

Description

IC VOLT GEN 12CH TFT-LCD 28TSSOP

Manufacturer

Intersil

Datasheet

1.EL5325AIRZ.pdf (12 pages)

Specifications of EL5325AIREZ

Applications

Converter, TFT, LCD

Voltage - Input

5 ~ 16.5 V

Number Of Outputs

Voltage - Output

0.5 ~ 14.95 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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12-Channel TFT-LCD Reference Voltage

Generator with External Shutdown

The EL5325A with external shutdown is designed to produce

the reference voltages required in TFT-LCD applications.

Each output is programmed to the required voltage with 10

bits of resolution. Reference pins determine the high and low

voltages of the output range, which are capable of swinging

to either supply rail. Programming of each output is

performed using the 3-wire, SPI compatible interface.

A number of EL5325A can be stacked for applications

requiring more than 12 outputs. The reference inputs can be

tied to the rails, enabling each part to output the full voltage

range, or alternatively, they can be connected to external

resistors to split the output range and enable finer

resolutions of the outputs.

The EL5325A has 12 outputs and is available in a 28 Ld

TSSOP package. They are specified for operation over the

full -40°C to +85°C temperature range.

Ordering Information

NOTE: Intersil Pb-free plus anneal products employ special Pb-free

material sets; molding compounds/die attach materials and 100% matte

tin plate termination finish, which are RoHS compliant and compatible

with both SnPb and Pb-free soldering operations. Intersil Pb-free

products are MSL classified at Pb-free peak reflow temperatures that

meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.

EL5325AIREZ

(Note)

EL5325AIREZ-T7

(Note)

EL5325AIREZ-T13

(Note)

EL5325AIRZ

(Note)

EL5325AIRZ-T7

(Note)

EL5325AIRZ-T13

(Note)

NUMBER

PART

5325AIREZ

5325AIRZ

MARKING

PART

TAPE &

REEL

13”

7”

Data Sheet

28 Ld HTSSOP

(Pb-Free)

28 Ld HTSSOP

(Pb-Free)

28 Ld HTSSOP

(Pb-Free)

28 Ld TSSOP

(Pb-Free)

28 Ld TSSOP

(Pb-Free)

28 Ld TSSOP

(Pb-Free)

PACKAGE

MDP0048

MDP0044

1-888-INTERSIL or 1-888-468-3774

DWG. #

PKG.

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Features

• 12-channel reference outputs

• Accuracy of ±1%

• Supply voltage of 5V to 16.5V

• Digital supply 3.3V to 5V

• Low supply current of 10mA

• Rail-to-rail capability

• Internal thermal protection

• External shutdown

• Pb-free plus anneal available (RoHS compliant)

Applications

• TFT-LCD drive circuits

• Reference voltage generators

Pinout

All other trademarks mentioned are the property of their respective owners.

May 8, 2006

Intersil (and design) is a registered trademark of Intersil Americas Inc.

EXT_OSC

SHDN

SCLK

REFH

REFL

SDO

GND

ENA

VSD

CAP

SDI

(28 LD TSSOP/HTSSOP)

TOP VIEW

EL5325A

OUTA

OUTB

OUTC

GND

OUTD

OUTE

OUTF

OUTG

OUTH

OUTI

GND

OUTJ

OUTK

OUTL

EL5325A

FN7447.1

Related parts for EL5325AIREZ

EL5325AIREZ Summary of contents

Page 1

... Ordering Information PART PART TAPE & NUMBER MARKING REEL EL5325AIREZ 5325AIREZ - 28 Ld HTSSOP (Note) (Pb-Free) EL5325AIREZ-T7 5325AIREZ 7” HTSSOP (Note) (Pb-Free) EL5325AIREZ-T13 5325AIREZ 13” HTSSOP (Note) (Pb-Free) EL5325AIRZ 5325AIRZ - 28 Ld TSSOP (Note) (Pb-Free) EL5325AIRZ-T7 5325AIRZ 7” TSSOP (Note) (Pb-Free) EL5325AIRZ-T13 5325AIRZ 13” ...

Page 2

Absolute Maximum Ratings (T A Supply Voltage between V & GND . . . . . . 4.5V (min) to 18V (max) S Supply Voltage between V & GND . 3V (min Maximum Continuous Output Current . ...

Page 3

Pin Descriptions EL5325A PIN NAME 1 ENA 2 SDI 3 SCLK 4 SDO 5 EXT_OSC 6, 11 VS+ 7 SHDN 8 VSD 9 REFH 10 REFL 12 GND 13 CAP OUTJ 19 OUTI 20 OUTH 21 OUTG ...

Page 4

Typical Performance Curves V =15V, V =5V, V =13V REFH 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 10 210 410 610 INPUT CODE FIGURE 1. DIFFERENTIAL NONLINEARITY vs CODE V =V =15V S REFH M=400ns/DIV 0mA 5mA ...

Page 5

Typical Performance Curves M=400µs/DIV 200mV 0V FIGURE 7. SMALL SIGNAL RESPONSE (RISING FROM 0V TO 200mV) JEDEC JESD51-3 LOW EFFECTIVE THERMAL CONDUCTIVITY TEST BOARD 0.9 833mW 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0 ...

Page 6

General Description The EL5325A provides a versatile method of providing the reference voltages that are used in setting the transfer characteristics of LCD display panels. The V/T (Voltage/Transmission) curve of the LCD panel requires that a correction is applied to ...

Page 7

Serial Timing Diagram ENA SCLK t SD SDI B15 MSB PARAMETER CONTROL CHANNEL ADDRESS ...

Page 8

Block Diagram CLK SDI LOAD Analog Section TRANSFER FUNCTION The transfer function is: data × ------------ - = + OUT IDEAL ) ( REFL REFH 1024 where data is the decimal value of the 10-bit data ...

Page 9

Setting B14 to low, the chip is on internal clock mode. CHANNEL OUTPUTS Each of the channel outputs has a rail-to-rail buffer. This enables all channels to have the capability to drive to within ...

Page 10

Application Drawing +10V MICROCONTROLLER LCD HORIZONTAL RATE TIMING CONTROLLER +5.5V +1V 10 EL5325A HIGH REFERENCE VOLTAGE REFH OUTA 0.1µF OUTB +12V VS 0.1µF OUTC +5V VSD 0.1µF OUTD SDI SCK ENA OUTE SDO OSC OUTF CAP 0.1µF OUTK REFL GND ...

Page 11

Package Outline Drawing (HTSSOP) 11 EL5325A ...

Page 12

... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...

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