Rainbow-electronics MAX5382 User Manual download pdf

MAX5380/MAX5381/MAX5382

Low-Cost, Low-Power, 8-Bit DACs with

2-Wire Serial Interface in SOT23

General Description

The MAX5380/MAX5381/MAX5382 are low-cost, 8-bit

digital-to-analog converters (DACs) in miniature 5-pin

SOT23 packages, with a simple 2-wire serial interface

that allows communication with multiple devices. The

MAX5380 has an internal +2V reference and operates

from a +2.7V to +3.6V supply. The MAX5381 has an

internal +4V reference and operates from a +4.5V to

+5.5V supply. The MAX5382 operates over the full

+2.7V to +5.5V supply range and has an internal refer-

ence equal to 0.9 x V

The fast-mode I

C™-compatible serial interface allows

communication at data rates up to 400kbps, minimizing

board space and reducing interconnect complexity

in many applications. Each device is available with

one of four factory-preset addresses (see Selector

Guide).

These DACs also include an output buffer, a low-power

shutdown mode, and a power-on reset that ensures the

DAC outputs are at zero when power is initially applied.

In shutdown mode, supply current is reduced to less

than 1µA and the output is pulled down to GND with a

10kΩ resistor.

Applications

Automatic Tuning (VCO)

Power-Amplifier Bias Control

Programmable Threshold Levels

Automatic Gain Control

Automatic Offset Adjustment

Features

♦ 8-Bit Accuracy in a Miniature 5-Pin SOT23

♦ Wide +2.7V to +5.5V Supply Range (MAX5382)

♦ Low 230µA max Supply Current

♦ 1µA Shutdown Mode

♦ Buffered Output Drives Resistive Loads

♦ Low-Glitch Power-On Reset to Zero DAC Output

♦ Fast I

C-Compatible Serial Interface

♦ <±5% Full-Scale Error (MAX5382)

♦ <±1LSB max INL/DNL

PX.1/SCL

+2.7V TO +5.5V

PX.0/SDA

GND

µC

SCL

SDA

OUT

GND

MAX5382

Typical Operating Circuit

19-1641; Rev 1; 1/01

Ordering Information

C is a trademark of Philips Corp.

Selector Guide

PART

MAX5380_EUK-T

MAX5381_EUK-T

MAX5382_EUK-T

-40°C to +85°C

TEMP. RANGE PIN-PACKAGE

5 SOT23

PART

MAX5380LEUK

MAX5380MEUK

MAX5380NEUK 0x64

0x62

0x60

ADDRESS

REFERENCE

(V)

+2.0

MAX5380PEUK 0x66 +2.0

MAX5381LEUK

0x60 +4.0

MAX5381MEUK 0x62 +4.0

MAX5381NEUK 0x64 +4.0

MAX5381PEUK 0x66 +4.0

MAX5382MEUK 0x62 0.9 x V

MAX5382NEUK 0x64 0.9 x V

MAX5382PEUK 0x66 0.9 x V

MAX5382LEUK

0x60 0.9 x V

TOP

MARK

ADMN

ADMZ

ADFN

ADMP

ADMV

ADNB

ADML

ADND

ADNJ

ADNT

ADMX

ADNH

GND

SDAV

15SCLOUT

MAX5380

MAX5381

MAX5382

SOT23-5

TOP VIEW

Pin Configuration

________________________________________________________________ Maxim Integrated Products 1

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.

1 2 3 4 5 6 ... 11 12

MAX5380/MAX5381/MAX5382 1

Summary of Contents

Page 1 - MAX5380/MAX5381/MAX5382

MAX5380/MAX5381/MAX5382Low-Cost, Low-Power, 8-Bit DACs with 2-Wire Serial Interface in SOT23General DescriptionThe MAX5380/MAX5381/MAX5382 are low-cos

Page 2

MAX5380/MAX5381/MAX5382device, followed by the MAX5380/MAX5381/MAX5382s’preset slave address, a power-mode bit, the DAC data,and finally, a STOP condi

Page 3

are supported. RESTART protocol is supported, but animmediate STOP condition is necessary to update theDAC. The 8th bit of the address byte, typically

Page 4

MAX5380/MAX5381/MAX5382Low-Cost, Low-Power, 8-Bit DACs with 2-Wire Serial Interface in SOT23Maxim cannot assume responsibility for use of any circuitr

Page 5

MAX5380/MAX5381/MAX5382Low-Cost, Low-Power, 8-Bit DACs with 2-Wire Serial Interface in SOT232 ________________________________________________________

Page 6

MAX5380/MAX5381/MAX5382Low-Cost, Low-Power, 8-Bit DACs with 2-Wire Serial Interface in SOT23__________________________________________________________

Page 7

MAX5380/MAX5381/MAX5382Low-Cost, Low-Power, 8-Bit DACs with 2-Wire Serial Interface in SOT234 ________________________________________________________

Page 8

MAX5380/MAX5381/MAX5382Low-Cost, Low-Power, 8-Bit DACs with 2-Wire Serial Interface in SOT23__________________________________________________________

Page 9

MAX5380/MAX5381/MAX5382Low-Cost, Low-Power, 8-Bit DACs with 2-Wire Serial Interface in SOT236 ________________________________________________________

Page 10

MAX5380/MAX5381/MAX5382Low-Cost, Low-Power, 8-Bit DACs with 2-Wire Serial Interface in SOT23__________________________________________________________

Page 11

MAX5380/MAX5381/MAX5382Low-Cost, Low-Power, 8-Bit DACs with 2-Wire Serial Interface in SOT238 ________________________________________________________

Page 12

MAX5380/MAX5381/MAX5382Low-Cost, Low-Power, 8-Bit DACs with 2-Wire Serial Interface in SOT23__________________________________________________________

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