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BUF01901

更新时间： 2024-11-18 03:23:11

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
25页	694K
描述
Programmable Voltage Source with Memory

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BUF01901 数据手册

BUF01900

BUF01901

SBOS337A − OCTOBER 2006 − REVISED OCTOBER 2006

Programmable Voltage Source

with Memory

F_DEATURES

DESCRIPTION

The BUF01900 and BUF01901 provide a programmable

voltage output with 10-bit resolution. Programming of the

output occurs through an industry-standard, two-wire

serial interface. Once the correct V_COMvoltage is

established it can easily be stored into the integrated

nonvolatile memory.

10-BIT RESOLUTION

RAIL-TO-RAIL OUTPUT

ONBOARD NONVOLATILE MEMORY

: 100mA

OUT

LOW SUPPLY CURRENT: 900µA

SUPPLY VOLTAGE: 7V to 18V

DIGITAL SUPPLY: 2.0V to 5.5V

An initial output voltage and adjustment range can be set

by an external resistor-divider. With its large output current

capability (up to 100mA), the BUF01900 and BUF01901

are ideally suited as programmable V_COMcalibrators in

LCD panels.

INDUSTRY-STANDARD, TWO-WIRE

INTERFACE

The BUF01901 has the digital-to-analog converter (DAC)

output brought out directly. It has a slightly lower cost than

the BUF01900, and works very well with the integrated

HIGH ESD RATING:

2kV HBM, 500V CDM

_COMin traditional gamma buffers such as the BUFxx702,

BUFxx703, BUFxx704 and BUF11705.

The BUF01900 and BUF01901 are both available in

TSSOP-8 and 3mm x 3mm DFN-10 packages. The

DFN-10 package (only 0.9mm in height) is especially

well-suited for notebook computers. Both devices are

specified from −40°C to +85°C.

A_DPPLICATIONS

LCD PANEL V

CALIBRATION

COM

LCD PANEL BRIGHTNESS AND CONTRAST

CONTROL

POTENTIOMETER REPLACEMENT

MOTOR DRIVE

Digital

2V to 5.5V

Analog

7V to 18V

BIAS

PROGRAMMABLE POWER SUPPLY

PROGRAMMABLE OFFSET ADJUSTMENT

ACTUATOR CONTROL

BUF01900

Voltage

Regulator

250k

Ω

4 x OTP

ROM

Switch

Control

10−Bit

DAC

Buffer

V_COM

BUF01900, BUF01901 RELATED PRODUCTS

FEATURES

PRODUCT

BUF11705

BUF12800

Input Control Logic

22V High Supply Voltage Gamma Buffers

12--Channel Programmable Buffer, 10-Bit, V

COM

20-Channel Programmable Buffer, 10-Bit, V

BUF20800

BUF16820

BUF20820

SDA SCL A0

16-Channel Programmable Buffer with Memory

20-Channel Programmable Buffer with Memory

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments

semiconductor products and disclaimers thereto appears at the end of this data sheet.

PowerPAD is a registered trademark of Texas Instruments. All other trademarks are the property of their respective owners.

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