MAX1364MEUB+T【PDF 1/25 页】IC SYSTEM MON 12BIT 4CH 10-UMAX

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General Description

The MAX1363/MAX1364 low-power, 12-bit, 4-channel

analog-to-digital converters (ADCs) feature a digitally

programmable window comparator with an interrupt out-

put for automatic system-monitoring applications. Once

configured, monitor mode automatically asserts an inter-

rupt when any analog input exceeds the programmed

upper or lower thresholds, without interaction to the

host. The MAX1363/MAX1364 respond to the SMBus

alert, allowing quick identification of the alarming device

on a shared interrupt. A programmable delay between

monitoring intervals lowers power consumption for

reduced monitoring rates.

In addition, the MAX1363/MAX1364 integrate an inter-

nal voltage reference, a clock, and a 1.7MHz, high-

speed, I2C-compatible, 2-wire serial interface. The opti-

mized interface allows a maximum conversion rate of

94.4ksps in normal mode while reading back the con-

version results. Each of the four analog inputs is config-

urable for single-ended or fully differential operation

and unipolar or bipolar operation. Two scan modes uti-

lize on-chip random access memory (RAM) to allow

eight conversions of a selected channel or scanning of

a group of channels to reduce interface overhead.

These devices operate from a single 2.7V to 3.6V

(MAX1363) or 4.5V to 5.5V (MAX1364) supply and

require only 436A at the maximum sampling rate of

133ksps in monitor mode and 670A at the maximum

sampling rate of 94.4ksps. AutoShutdown powers

down the devices between conversions, reducing sup-

ply current to less than 1A when idle.

The full-scale analog-input range is determined by the

internal reference or by an externally applied reference

voltage ranging from 1V to VDD. The MAX1363 features

a 2.048V internal reference, and the MAX1364 features

a 4.096V internal reference.

The MAX1363/MAX1364 are available in a 10-pin

MAX package and are specified over the extended

(-40°C to +85°C) temperature range. For 10-bit applica-

tions, refer to the pin-compatible MAX1361/MAX1362

data sheet.

Applications

System Monitoring/Supervision

Servers/Workstations

High-Reliability Power Supplies

Medical Instrumentation

Features

Monitor Mode

Programmable Lower/Upper Trip Threshold

Alarm-Status Register Records Fault Events

SMBus Alert Response

Programmable Sampling Intervals

12-Bit, I2C-Compatible ADC

±1 LSB INL, ±1 LSB DNL

4-Channel Single-Ended or 2-Channel Fully

Differential Inputs

Software-Programmable Bipolar/Unipolar

Conversions

Fast Sampling Rate

94.4ksps While Continuously Reading

Conversions

133ksps in Monitor Mode

High-Speed, I2C-Compatible Serial Interface

100kHz/400kHz Standard/Fast Mode

Up to 1.7MHz High-Speed Mode

Six Available I2C Slave Addresses

Single Supply

2.7V to 3.6V (MAX1363)

4.5V to 5.5V (MAX1364)

Internal Reference

2.048V (MAX1363)

4.096V (MAX1364)

External Reference: 1V to VDD

Low Power

436A in Monitor Mode (133ksps)

670A at 94.4ksps

6A at 1ksps

0.5A in Power-Down Mode

Small Package

10-Pin MAX

MAX1363/MAX1364

4-Channel, 12-Bit System Monitors with Programmable

Trip Window and SMBus Alert Response

________________________________________________________________

Maxim Integrated Products

Ordering Information/Selector Guide

19-3338; Rev 3; 3/08

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.

EVALUATION

KIT

AVAILABLE

PART

TEMP RANGE

PIN-PACKAGE

2C SLAVE ADDRESS

SUPPLY VOLTAGE (V)

MAX1363EUB+

-40°C to +85°C

10 MAX

0110100/0110101

2.7 to 3.6

MAX1363MEUB+

-40°C to +85°C

10 MAX

0110110/0110111

2.7 to 3.6

SMBus is a trademark of Intel Corporation.

AutoShutdown is a trademark of Maxim Integrated Products, Inc.

MAX is a registered trademark of Maxim Integrated Products, Inc.

Typical Operating Circuit and Pin Configuration appear at

end of data sheet.

Ordering Information/Selector Guide continued at end of data sheet.

+Denotes a lead-free package.

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