MAX1305

更新时间： 2024-11-20 22:12:59

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
36页	485K
描述
8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs with 【10V, 【5V, and 0 to +5V Analog Input Ranges

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MAX1305 数据手册

19-3052; Rev 3; 8/04

8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs

with ±10ꢀ, ±±ꢀ, and 0 to +±ꢀ Analog Input Ranges

General Description

Features

♦ Up to Eight Channels of Simultaneous Sampling

8ns Aperture Delay

The MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–

MAX1314 12-bit, analog-to-digital converters (ADCs) offer

eight, four, or two independent input channels.

Independent track-and-hold (T/H) circuitry provides simul-

taneous sampling for each channel. The MAX1304/

MAX1305/MAX1306 provide a 0 to +5V input range with

6V fault-tolerant inputs. The MAX1308/MAX130ꢀ/

MAX1310 provide a 5V input range with 16.5V fault-tol-

erant inputs. The MAX1312/MAX1313/MAX1314 have a

10V input range with 16.5V fault-tolerant inputs. These

ADCs convert two channels in 0.ꢀµs, and up to eight

channels in 1.ꢀ8µs, with an 8-channel throughput of

456ksps per channel. Other features include a 20MHz T/H

input bandwidth, internal clock, internal (+2.5V) or external

(+2.0V to +3.0V) reference, and power-saving modes.

100ps Channel-to-Channel T/H Match

♦ Extended Input Ranges

0 to +5V (MAX1304/MAX1305/MAX1306)

-5V to +5V (MAX1308/MAX1309/MAX1310)

-10V to +10V (MAX1312/MAX1313/MAX1314)

♦ Fast Conversion Time

One Channel in 0.72µs

Two Channels in 0.9µs

Four Channels in 1.26µs

Eight Channels in 1.98µs

♦ High Throughput

1075ksps/Channel for One Channel

901ksps/Channel for Two Channels

680ksps/Channel for Four Channels

456ksps/Channel for Eight Channels

A 20MHz, 12-bit, bidirectional parallel data bus pro-

vides the conversion results and accepts digital inputs

that activate each channel individually.

All devices operate from a +4.75V to +5.25V analog supply

and a +2.7V to +5.25V digital supply and consume 57mA

total supply current when fully operational.

♦ ±1 LSB INL, ±0.9 LSB DNL (max)

♦ 84dBc SFDR, -86dBc THD, 71dB SINAD,

= 500kHz at 0.4dBFS

Each device is available in a 48-pin 7mm x 7mm TQFP

package and operates over the extended -40°C to

+85°C temperature range.

♦ 12-Bit, 20MHz, Parallel Interface

♦ Internal or External Clock

Applications

♦ +2.5V Internal Reference or +2.0V to +3.0V

External Reference

SIN/COS Position Encoder

Multiphase Motor Control

♦ +5V Analog Supply, +3V to +5V Digital Supply

55mA Analog Supply Current

Multiphase Power Monitoring

Power-Grid Synchronization

Power-Factor Monitoring

1.3mA Digital Supply Current

Shutdown and Power-Saving Modes

♦ 48-Pin TQFP Package (7mm x 7mm Footprint)

Vibration and Waveform Analysis

Selector Guide

Ordering Information

PART

INPUT RANGE (V) CHANNEL COUNT

PART

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

48 TQFP

MAX1304ECM

MAX1305ECM

MAX1306ECM

MAX1308ECM

MAX130ꢀECM

MAX1310ECM

MAX1312ECM

MAX1313ECM

MAX1314ECM

0 to +5

MAX1304ECM

MAX1305ECM

MAX1306ECM

MAX1308ECM

MAX1309ECM

MAX1310ECM

MAX1312ECM

MAX1313ECM

MAX1314ECM

0 to +5

Pin Configurations appear at end of data sheet.

________________________________________________________________ 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...36

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