MAX5142EUB+ Maxim Integrated Products, MAX5142EUB+ Datasheet

MAX5142EUB+

Manufacturer Part Number

MAX5142EUB+

Description

IC DAC 14BIT SER/VOLT I/O 10UMAX

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX5143EUA.pdf (12 pages)

Specifications of MAX5142EUB+

Settling Time

1µs

Number Of Bits

Data Interface

MICROWIRE™, QSPI™, Serial, SPI™

Number Of Converters

Voltage Supply Source

Single Supply

Power Dissipation (max)

444mW

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

10-MSOP, Micro10™, 10-uMAX, 10-uSOP

Resolution

14 bit

Interface Type

Serial (SPI)

Supply Voltage (max)

5.5 V

Supply Voltage (min)

4.5 V

Maximum Operating Temperature

+ 85 C

Mounting Style

SMD/SMT

Minimum Operating Temperature

- 40 C

Supply Current

0.2 mA

Voltage Reference

External

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Current page: 1 of 12
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The MAX5141–MAX5144 are serial-input, voltage-output,

14-bit digital-to-analog converters (DACs) in tiny µMAX

packages, 50% smaller than comparable DACs in an

8-pin SO. They operate from low +3V (MAX5143/

MAX5144) or +5V (MAX5141/MAX5142) single supplies.

They provide 14-bit performance (±1LSB INL and DNL)

over temperature without any adjustments. The DAC out-

put is unbuffered, resulting in a low supply current of

120µA and a low offset error of 2LSBs.

The DAC output range is 0V to V

tion, matched scaling resistors are provided in the

MAX5142/MAX5144 for use with an external precision op

amp (such as the MAX400), generating a ±V

swing.

A 16-bit serial word is used to load data into the DAC

latch. The 25MHz, 3-wire serial interface is compatible

with SPI™/QSPI™/MICROWIRE™, and can interface

directly with optocouplers for applications requiring isola-

tion. A power-on reset circuit clears the DAC output to

code 0 (MAX5141/MAX5143) or code 8192 (MAX5142/

MAX5144) when power is initially applied.

A logic low on CLR asynchronously clears the DAC out-

put to code 0 (MAX5141/MAX5143) or code 8192

(MAX5142/MAX5144), independent of the serial interface.

The MAX5141/MAX5143 are available in 8-pin µMAX

packages and the MAX5142/MAX5144 are available in

10-pin µMAX packages.

19-1849; Rev 1; 5/01

SPI and QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

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.

M A X5 1 4 1E U A

M A X5 1 4 2E U B

M A X5 1 4 3E U A

M A X5 1 4 4E U B

High-Resolution and Gain Adjustment

Industrial Process Control

Automated Test Equipment

Data-Acquisition Systems

PART

________________________________________________________________ Maxim Integrated Products

General Description

-40°C to +85°C

T EM P. RA N G E

REF.

Applications

For bipolar opera-

REF

Voltage-Output, 14-Bit DACs

output

PIN - PAC K A GE

10 µMAX

8 µMAX

o Miniature (3mm x 5mm) 8-Pin µMAX Package

o Low 120µA Supply Current

o Fast 1µs Settling Time

o 25MHz SPI/QSPI/MICROWIRE-Compatible Serial

o V

o +5V (MAX5141/MAX5142) or +3V

o Full 14-Bit Performance Without Adjustments

o Unbuffered Voltage Output Directly Drives 60kΩ

o Power-On Reset Circuit Clears DAC Output to

o Schmitt-Trigger Inputs for Direct Optocoupler

o Asynchronous CLR

SCLK

Interface

(MAX5143/MAX5144) Single-Supply Operation

Loads

Code 0 (MAX5141/MAX5143) or Code 8192

(MAX5142/MAX5144)

Interface

DIN

REF

+3V/+5V, Serial-Input,

REF

TOP VIEW

Range Extends to V

MAX5141

MAX5143

IN L ( L SB )

µMAX

± 1

R A NG E ( V)

Ordering Information

SU PPL Y

GND

OUT

CLR

Pin Configurations

SCLK

CLR

REF

DIN

O U TPU T SWING

MAX5142

MAX5144

µMAX

U nip ol ar

Bi pol ar

U nip ol ar

Bi pol ar

Features

GND

RFB

INV

OUT

Related parts for MAX5142EUB+

MAX5142EUB+ Summary of contents

Page 1

... SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp. ________________________________________________________________ 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. +3V/+5V, Serial-Input, Voltage-Output, 14-Bit DACs o Miniature (3mm x 5mm) 8-Pin µ ...

Page 2

Serial-Input, Voltage-Output, 14-Bit DACs ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V DD CS, SCLK, DIN, CLR to GND ...................................-0.3V to +6V REF to GND................................................-0. OUT, INV to GND .....................................................-0. RFB to INV ...................................................................-6V ...

Page 3

ELECTRICAL CHARACTERISTICS (continued +3V (MAX5143/MAX5144) or +5V (MAX5141/MAX5142 unless otherwise noted. Typical values are at T PARAMETER SYMBOL DYNAMIC PERFORMANCE—REFERENCE SECTION Reference -3dB Bandwidth BW Reference Feedthrough Signal-to-Noise Ratio SNR Reference Input Capacitance C INREF STATIC ...

Page 4

Serial-Input, Voltage-Output, 14-Bit DACs (V = +3V (MAX5143/MAX5144) or +5V (MAX5141/MAX5142 noted. Typical values are +25°C.) A SUPPLY CURRENT vs. TEMPERATURE 0.150 0.125 V = +5V DD 0.100 V = +3V DD 0.075 0.050 ...

Page 5

V DD noted. Typical values are +25°C.) A REFERENCE CURRENT vs. DIGITAL INPUT CODE 140 120 100 10k 15k 20k INPUT CODE MAJOR-CARRY ...

Page 6

Serial-Input, Voltage-Output, 14-Bit DACs PIN NAME MAX5141 MAX5142 MAX5143 MAX5144 1 1 REF SCLK 4 4 DIN CLR OUT — 7 INV — 8 RFB ...

Page 7

MC68XXXX PCS0 MOSI SCLK IC1 (GND) Figure 2a. Typical Operating Circuit—Unipolar Output MC68XXXX PCS0 MOSI SCLK IC1 (GND) Figure 2b. Typical Operating Circuit—Bipolar Output Detailed Description The MAX5141–MAX5144 voltage-output, 14-bit digital- to-analog converters (DACs) offer full 14-bit perfor- mance with ...

Page 8

Serial-Input, Voltage-Output, 14-Bit DACs to a standard R-2R ladder, allowing unbuffered opera- tion in medium-load applications. The MAX5142/MAX5144 provide matched bipolar offset resistors, which connect to an external op amp for bipo- lar output swings (Figure 2b). Digital Interface ...

Page 9

The circuit can benefit from even larger bypassing capacitors, depending on the stability of the external reference with capacitive load- ing. Unbuffered Operation Unbuffered operation reduces power consumption as well as offset error contributed by the ...

Page 10

Serial-Input, Voltage-Output, 14-Bit DACs Unipolar Configuration Figure 2a shows the MAX5141–MAX5144 configured for unipolar operation with an external op amp. The op amp is set for unity gain, and Table 1 lists the codes for this circuit. Bipolar MAX5142/MAX5144 ...

Page 11

Information ______________________________________________________________________________________ +3V/+5V, Serial-Input, Voltage-Output, 14-Bit DACs 11 ...

Page 12

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________12 © 2001 Maxim Integrated Products ...

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