DS3508E+T&R/C datasheet, PDF - EEWORLD Datasheet

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DS3508E+T&R/C: DescriptionLCD Gamma Buffers I2C 8Ch Gamma Buffer w/EEPROM; CategoryAnalog mixed-signal IC The signal circuit; File Size236KB，14 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html; Environmental Compliance

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DS3508E+T&R/C Overview

LCD Gamma Buffers I2C 8Ch Gamma Buffer w/EEPROM

DS3508E+T&R/C Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Maxim
package instruction	LEAD FREE, TSSOP-20
Reach Compliance Code	compliant
Other features	IT ALSO OPERATES IN 2.7V TO 5.5V DIGITAL SUPPLY
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT
JESD-30 code	R-PDSO-G20
length	6.65 mm
Number of functions	1
Number of terminals	20
Maximum operating temperature	95 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Maximum seat height	1.1 mm
Maximum supply voltage (Vsup)	15.5 V
Minimum supply voltage (Vsup)	9 V
Nominal supply voltage (Vsup)	15 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	4.4 mm

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Rev 1; 3/08

C, 8-Channel Gamma Buffer with EEPROM

General Description

The DS3508 is a programmable 8-channel gamma volt-

age generator with one byte of on-chip EEPROM and

one byte of SRAM memory per channel. Each channel

is composed of an independent 8-bit DAC with an asso-

ciated EEPROM/SRAM pair. At power-up, nonvolatile

(NV) EEPROM gamma data is loaded into its corre-

sponding SRAM register that drives the associated 8-bit

DAC. An on-chip control register allows selectable con-

trol of writing to SRAM/EEPROM or SRAM only.

The DS3508 is designed for low-power operation and

draws less than 2mA (typ) from the V

supply.

Programming occurs through an I

C-compatible serial

interface with support for speeds up to 400kHz.

♦

8-Bit Gamma DACs, 8 Channels

♦

1 Byte EEPROM and 1 Byte SRAM per Channel

♦

Ultra-Low Power (2mA I

, typ)

♦

400kbps I

C Interface

♦

9.0V to 15.5V Analog Supply

♦

2.7V to 5.5V Digital Supply

♦

20-Pin TSSOP Package

♦

Address Pin Allows Two DS3508s to Reside on

the Same I

C Bus

Features

DS3508

Applications

TFT-LCD Gamma Buffer

Industrial Controls

PART

DS3508E+

DS3508E+T&R

Ordering Information

TEMP RANGE

-45°C to +95°C

PIN-PACKAGE

20 TSSOP

+Denotes

a lead-free package.

T&R = Tape and reel.

Typical Operating Circuit

TOP VIEW

SCL

15.0V

5.0V

VHH VHM

GM1

GM2

GM3

GM4

LIQUID-CRYSTAL

DISPLAY

14.8V 8.0V

SOURCE DRIVER

Pin Configuration

GM1

GM2

GM3

GM4

GM5

GM6

GM7

GM8

N.C.

SDA

GND

VHH

VHM

VLM

VLL

N.C.

DS3508

MASTER

SDA

SCL

GND

DS3508

GM5

GM6

GM7

GM8

VLL

0.2V

VLM

7.0V

TSSOP

________________________________________________________________

Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

DS3508E+T&R/C Related Products

	DS3508E+T&R/C	DS3508E+T&R
Description	LCD Gamma Buffers I2C 8Ch Gamma Buffer w/EEPROM	LCD Gamma Buffers I2C 8Ch Gamma Buffer w/EEPROM
Is it Rohs certified?	conform to	conform to
Maker	Maxim	Maxim
package instruction	LEAD FREE, TSSOP-20	TSSOP, TSSOP20,.25
Reach Compliance Code	compliant	compliant
Other features	IT ALSO OPERATES IN 2.7V TO 5.5V DIGITAL SUPPLY	IT ALSO REQUIRES 2.7V TO 5.5V DIGITAL SUPPLY
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT	ANALOG CIRCUIT
JESD-30 code	R-PDSO-G20	R-PDSO-G20
length	6.65 mm	6.5 mm
Number of functions	1	1
Number of terminals	20	20
Maximum operating temperature	95 °C	95 °C
Minimum operating temperature	-40 °C	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TSSOP	TSSOP
Package shape	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	260
Maximum seat height	1.1 mm	1.1 mm
Maximum supply voltage (Vsup)	15.5 V	15.5 V
Minimum supply voltage (Vsup)	9 V	9 V
Nominal supply voltage (Vsup)	15 V	15 V
surface mount	YES	YES
Temperature level	INDUSTRIAL	INDUSTRIAL
Terminal form	GULL WING	GULL WING
Terminal pitch	0.65 mm	0.65 mm
Terminal location	DUAL	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED
width	4.4 mm	4.4 mm

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