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19-3052; Rev 3; 8/04

General Description

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/MAX1309/

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 0.9µs, and up to eight

channels in 1.98µs, 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.

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.

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.

Applications

SIN/COS Position Encoder

Multiphase Motor Control

Multiphase Power Monitoring

Power-Grid Synchronization

Power-Factor Monitoring

Vibration and Waveform Analysis

Features

♦ Up to Eight Channels of Simultaneous Sampling

8ns Aperture Delay

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

♦ ±1 LSB INL, ±0.9 LSB DNL (max)

♦ 84dBc SFDR, -86dBc THD, 71dB SINAD,

= 500kHz at 0.4dBFS

♦ 12-Bit, 20MHz, Parallel Interface

♦ Internal or External Clock

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

External Reference

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

55mA Analog Supply Current

1.3mA Digital Supply Current

Shutdown and Power-Saving Modes

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

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX1314

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

with ±10V, ±5V, and 0 to +5V Analog Input Ranges

________________________________________________________________ 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.

Ordering Information

Pin Configurations appear at end of data sheet.

PART TEMP RANGE PIN-PACKAGE

MAX1304ECM -40°C to +85°C 48 TQFP

MAX1305ECM -40°C to +85°C 48 TQFP

MAX1306ECM -40°C to +85°C 48 TQFP

MAX1308ECM -40°C to +85°C 48 TQFP

MAX1309ECM -40°C to +85°C 48 TQFP

MAX1310ECM -40°C to +85°C 48 TQFP

MAX1312ECM -40°C to +85°C 48 TQFP

MAX1313ECM -40°C to +85°C 48 TQFP

MAX1314ECM -40°C to +85°C 48 TQFP

Selector Guide

PART

INPUT RANGE (V)

CHANNEL COUNT

MAX1304ECM 0 to +5 8

MAX1305ECM 0 to +5 4

MAX1306ECM 0 to +5 2

MAX1308ECM ±5 8

MAX1309ECM ±5 4

MAX1310ECM ±5 2

MAX1312ECM ±10 8

MAX1313ECM ±10 4

MAX1314ECM ±10 2

1 2 3 4 5 6 ... 35 36

Inhaltsverzeichnis

Seite 1 - Selector Guide

19-3052; Rev 3; 8/04General DescriptionThe MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX1314 12-bit, analog-to-digital converters (ADCs) offereight, fou

Seite 2 - ELECTRICAL CHARACTERISTICS

Typical Operating Characteristics (continued)(AVDD= +5V, DVDD= +3V, AGND = DGND = 0, VREF= VREFMS= +2.5V (external reference), CREF= CREFMS= 0.1µF, CR

Seite 3

Typical Operating Characteristics (continued)(AVDD= +5V, DVDD= +3V, AGND = DGND = 0, VREF= VREFMS= +2.5V (external reference), CREF= CREFMS= 0.1µF, CR

Seite 4

Typical Operating Characteristics (continued)(AVDD= +5V, DVDD= +3V, AGND = DGND = 0, VREF= VREFMS= +2.5V (external reference), CREF= CREFMS= 0.1µF, CR

Seite 5

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges____

Seite 6

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges14 _

Seite 7

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges____

Seite 8 - MAX1304 toc09

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges16 _

Seite 9 - MAX1304 toc12

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges____

Seite 10 - MAX1304 toc18

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges18 _

Seite 11

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges____

Seite 12

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges2 __

Seite 13 - Pin Description

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges20 _

Seite 14 - Pin Description (continued)

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges____

Seite 15 - Detailed Description

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges22 _

Seite 16 - Figure 2. Functional Diagram

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges____

Seite 17

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges24 _

Seite 18

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges____

Seite 19 - Selecting an Input Buffer

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges26 _

Seite 20 - = 100ns, t

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges____

Seite 21 - Applications Information

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges28 _

Seite 22 - Starting a Conversion

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges____

Seite 23 - Reading a Conversion Result

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges____

Seite 24 - Power-Saving Modes

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges30 _

Seite 25

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges____

Seite 26 - Table 4. Reference Voltages

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges32 _

Seite 27 - BINARY OUTPUT CODE

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges____

Seite 28

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges34 _

Seite 29

D10D9D8D7D6D5D4D3D2D1D0DVDDAVDDAGNDAGNDCH0CH1MSVCH2CH3CH4CH5CH6CH71234567891011123635343332313029282726258-CHANNEL TQFPMAX1304MAX1308MAX1312INTCLK/EXT

Seite 30 - 3-Phase Motor Controller

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input RangesMaxi

Seite 31

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges4 __

Seite 32 - Definitions

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges____

Seite 33

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX13148-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCswith ±10V, ±5V, and 0 to +5V Analog Input Ranges6 __

Seite 34 - Chip Information

Typical Operating Characteristics(AVDD= +5V, DVDD= +3V, AGND = DGND = 0, VREF= VREFMS= +2.5V (external reference), CREF= CREFMS= 0.1µF, CREF+=CREF-= 0

Seite 35

Typical Operating Characteristics (continued)(AVDD= +5V, DVDD= +3V, AGND = DGND = 0, VREF= VREFMS= +2.5V (external reference), CREF= CREFMS= 0.1µF, CR

Seite 36 - 32L/48L,TQFP.EPS

Typical Operating Characteristics (continued)(AVDD= +5V, DVDD= +3V, AGND = DGND = 0, VREF= VREFMS= +2.5V (external reference), CREF= CREFMS= 0.1µF, CR

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