MAX5812MEUT

更新时间： 2024-11-04 22:12:39

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
13页	268K
描述
12-Bit Low-Power, 2-Wire, Serial Voltage-Output DAC

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MAX5812MEUT 数据手册

19-2340; Rev 0; 1/02

12-Bit Low-Power, 2-Wire, Serial

Voltage-Output DAC

General Description

Features

The MAX5812 is a single, 12-bit voltage-output, digital-to-

analog converter (DAC) with an I²C™-compatible 2-wire

interface that operates at clock rates up to 400kHz. The

device operates from a single 2.7V to 5.5V supply and

o Ultra-Low Supply Current

100µA at V

130µA at V

= 3.6V

= 5.5V

o 300nA Low-Power Power-Down Mode

o Single 2.7V to 5.5V Supply Voltage

draws only 100µA at V

= 3.6V. A low-power power-

down mode decreases current consumption to less than

1µA. The MAX5812 features three software-selectable

power-down output impedances: 100kΩ, 1kΩ, and high

impedance. Other features include an internal precision

o Fast 400kHz I²C-Compatible 2-Wire Serial

Interface

Rail-to-Rail output buffer and a power-on reset circuit

o Schmitt-Trigger Inputs for Direct Interfacing to

that powers up the DAC in the 100kΩ power-down mode.

Optocouplers

The MAX5812 features a double-buffered I²C-compatible

serial interface that allows multiple devices to share a sin-

gle bus. All logic inputs are CMOS-logic compatible and

buffered with Schmitt triggers, allowing direct interfacing

to optocoupled and transformer-isolated interfaces. The

MAX5812 minimizes digital noise feedthrough by discon-

necting the clock (SCL) signal from the rest of the device

when an address mismatch is detected.

o Rail-to-Rail Output Buffer Amplifier

o Three Software-Selectable Power-Down Output

Impedances

100kΩ, 1kΩ, and High Impedance

o Read-Back Mode for Bus and Data Checking

o Power-On Reset to Zero

The MAX5812 is specified over the extended temperature

range of -40°C to +85°C and is available in a space-sav-

ing 6-pin SOT23 package. Refer to the MAX5811 for the

10-bit version.

o Miniature 6-Pin SOT23 Package

Ordering Information

PIN-

PACKAGE

TOP

MARK

Applications

PART

TEMP RANGE

Digital Gain and Offset Adjustments

Programmable Voltage and Current Sources

Programmable Attenuation

MAX5812LEUT

MAX5812MEUT

MAX5812NEUT

MAX5812PEUT

-40°C to +85°C

6 SOT23

AAYT

AAYV

AAYX

AAYZ

VCO/Varactor Diode Control

Selector Guide appears at end of data sheet.

Functional Diagram appears at end of data sheet.

Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.

I²C is a trademark of Philips Corporation.

Low-Cost Instrumentation

Battery-Operated Equipment

Typical Operating Circuit

Pin Configuration

TOP VIEW

µC

SCL

SDA

OUT

ADD

SCL

SDA

MAX5812

GND

SDA

OUT

MAX5812

SCL

SDA

SOT23

OUT

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...13

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与MAX5812MEUT相关器件

型号	品牌	获取价格	描述	数据表
MAX5812MEUT#G16	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 4us Settling Time, PDSO6, MINIATURE, SOT-23,
MAX5812MEUT#TG16	ROCHESTER	获取价格	SERIAL INPUT LOADING, 4 us SETTLING TIME, 12-BIT DAC, PDSO6, MINIATURE, SOT-23, 6 PIN
MAX5812MEUT+T	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 4us Settling Time, PDSO6, SOT-23, 6 PIN
MAX5812MEUT-T	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 4us Settling Time, PDSO6, MINIATURE, SOT-23,
MAX5812NEUT	MAXIM	获取价格	12-Bit Low-Power, 2-Wire, Serial Voltage-Output DAC
MAX5812NEUT-T	ROCHESTER	获取价格	SERIAL INPUT LOADING, 4us SETTLING TIME, 12-BIT DAC, PDSO6, MINIATURE, SOT-23, 6 PIN
MAX5812PEUT	MAXIM	获取价格	12-Bit Low-Power, 2-Wire, Serial Voltage-Output DAC
MAX5812PEUT+T	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 4us Settling Time, PDSO6, SOT-23, 6 PIN
MAX5812PEUT-T	ROCHESTER	获取价格	SERIAL INPUT LOADING, 4us SETTLING TIME, 12-BIT DAC, PDSO6, MINIATURE, SOT-23, 6 PIN
MAX5812PEUT-T	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, 4us Settling Time, PDSO6, MINIATURE, SOT-23,

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